@font-face { font-family: "Chakra Petch"; src: url("assets/fonts/chakra-petch-500.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Chakra Petch"; src: url("assets/fonts/chakra-petch-600.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Chakra Petch"; src: url("assets/fonts/chakra-petch-700.woff2") format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "IBM Plex Sans"; src: url("assets/fonts/ibm-plex-sans-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "IBM Plex Sans"; src: url("assets/fonts/ibm-plex-sans-500.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "IBM Plex Sans"; src: url("assets/fonts/ibm-plex-sans-600.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("assets/fonts/ibm-plex-mono-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }

:root {
  color-scheme: dark;
  --bg: #090808;
  --side: #111010;
  --panel: #181616;
  --panel-2: #121010;
  --line: #332e2d;
  --line-soft: #242020;
  --text: #ded8ce;
  --strong: #fffaf0;
  --soft: #aaa29a;
  --muted: #776f69;
  --accent: #c94b40;
  --accent-2: #e36256;
  --accent-dark: #3a1b18;
  --ok: #58d39a;
  --warn: #f2b544;
  --bad: #f06a6a;
  --display: "IBM Plex Sans", "Segoe UI", sans-serif;
  --body: "IBM Plex Sans", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", "Cascadia Mono", monospace;
  --ease: cubic-bezier(.22, .82, .28, 1);
}

* { box-sizing: border-box; }
html, body { min-width: 1040px; min-height: 680px; height: 100%; }
body { margin: 0; overflow: hidden; background: var(--bg); color: var(--text); font-family: var(--body); }
button, a { font: inherit; }
button { color: inherit; }
button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.tutorial-shell { display: grid; grid-template-columns: 270px minmax(0, 1fr); width: 100%; height: 100vh; }

/* Chapter rail */
.chapter-rail { position: relative; z-index: 20; display: flex; flex-direction: column; min-height: 0; background: var(--side); border-right: 1px solid var(--line); }
.tutorial-brand { display: flex; align-items: center; gap: 11px; height: 76px; padding: 0 22px; color: var(--text); border-bottom: 1px solid var(--line); font: 700 13px/1 var(--display); letter-spacing: .105em; text-decoration: none; }
.tutorial-brand b { color: var(--accent); }
.brand-mark { position: relative; display: flex; align-items: flex-end; gap: 3px; width: 25px; height: 23px; padding: 5px; border: 1px solid #59403d; background: #0b0909; }
.brand-mark::after { content: none; }
.brand-mark i { display: block; width: 3px; background: var(--accent); }
.brand-mark i:nth-child(1) { height: 7px; animation-delay: -.7s; }
.brand-mark i:nth-child(2) { height: 13px; animation-delay: -.3s; }
.brand-mark i:nth-child(3) { height: 10px; animation-delay: -.9s; }
.rail-heading { padding: 24px 22px 18px; }
.rail-heading span { display: block; margin-bottom: 4px; color: var(--muted); font-size: 11px; }
.rail-heading strong { font: 600 11px/1 var(--display); letter-spacing: .14em; color: var(--soft); }
.chapters { flex: 1; min-height: 0; overflow: auto; scrollbar-width: none; }
.chapter { position: relative; display: grid; grid-template-columns: 36px 1fr 8px; align-items: center; gap: 10px; width: 100%; min-height: 56px; padding: 9px 18px 9px 22px; background: transparent; border: 0; border-left: 2px solid transparent; text-align: left; cursor: default; opacity: .42; }
.chapter.active { background: #1a1515; border-left-color: var(--accent); opacity: 1; }
.chapter-number { color: var(--muted); font: 11px var(--mono); }
.chapter.active .chapter-number { color: var(--accent); }
.chapter b { display: block; margin-bottom: 3px; color: var(--text); font: 600 12px var(--display); letter-spacing: .025em; }
.chapter small { display: block; color: var(--muted); font-size: 10.5px; }
.chapter-state { width: 7px; height: 7px; background: var(--accent); }
.rail-footer { display: grid; grid-template-columns: 10px 1fr auto; gap: 8px; align-items: center; min-height: 48px; padding: 0 18px 0 22px; border-top: 1px solid var(--line); color: var(--muted); font: 10px var(--mono); }
.rail-footer b { font-weight: 400; color: #64727f; }
.connection-dot { width: 7px; height: 7px; background: var(--accent); }

/* Lesson frame */
.lesson { display: grid; grid-template-rows: 76px minmax(0, 1fr) 104px; min-width: 0; min-height: 0; background: #0c0a0a; }
.lesson-header { position: relative; z-index: 10; display: flex; justify-content: space-between; align-items: center; padding: 0 34px; border-bottom: 1px solid var(--line); background: #0f0d0d; }
.lesson-header > div { display: flex; align-items: center; gap: 15px; }
.eyebrow { padding: 6px 9px; border: 1px solid #5d3733; color: var(--accent); font: 600 9px var(--display); letter-spacing: .15em; }
.lesson-name { color: var(--soft); font: 500 12px var(--display); letter-spacing: .04em; }
.header-actions { gap: 24px !important; }
.text-size-control { display: flex; align-items: center; gap: 3px; padding: 3px; border: 1px solid var(--line); background: #0a0909; }
.text-size-control > span { margin: 0 6px; color: var(--muted); font: 8px var(--display); letter-spacing: .08em; text-transform: uppercase; }
.text-size-control button { min-width: 28px; height: 25px; padding: 0 6px; border: 0; background: transparent; color: var(--muted); font: 600 9px var(--display); cursor: pointer; }
.text-size-control button:hover { color: var(--text); }
.text-size-control button[aria-pressed="true"] { background: #301715; color: var(--accent); box-shadow: inset 0 0 0 1px #6b3833; }
.quiet-button { display: flex; align-items: center; gap: 7px; padding: 6px 0; border: 0; background: none; color: var(--muted); font-size: 11px; cursor: pointer; }
.quiet-button:hover { color: var(--text); }
.quiet-button[aria-pressed="true"] { color: var(--accent); }
.quiet-button span { font-size: 16px; }
.step-count { min-width: 64px; color: #596774; font: 12px var(--mono); }
.step-count b { color: var(--text); font-size: 17px; font-weight: 400; }

.scene-stage { position: relative; min-height: 0; overflow: hidden; background: #0b0909; }
.scene-stage::after { content: none; }

.scene { position: absolute; z-index: 2; inset: 0; display: grid; opacity: 0; visibility: hidden; transform: translateX(28px); transition: opacity .55s var(--ease), transform .7s var(--ease), visibility 0s .7s; }
.scene.active { opacity: 1; visibility: visible; transform: translateX(0); transition-delay: 0s; }
.scene.exiting { transform: translateX(-28px); }
.scene-kicker { display: inline-flex; align-items: center; gap: 9px; color: var(--accent); font: 600 10px var(--display); letter-spacing: .17em; }
.scene-kicker i { width: 24px; height: 1px; background: var(--accent); }
.scene h1, .scene h2 { margin: 16px 0 20px; color: var(--strong); font-family: var(--display); font-weight: 600; line-height: .98; letter-spacing: -.035em; }
.scene h1 { font-size: clamp(52px, 6vw, 88px); }
.scene h2 { font-size: clamp(39px, 4.5vw, 64px); }
.scene h1 em { color: var(--accent); font-style: normal; }
.scene p { color: var(--soft); font-size: 16px; line-height: 1.62; }
.scene-caption { position: absolute; z-index: 5; left: 34px; bottom: 24px; display: flex; align-items: center; gap: 12px; color: #7f8d99; font-size: 11px; }
.scene-caption span { color: var(--accent); font: 10px var(--mono); }

/* Scene 1 */
.scene-intro { grid-template-columns: minmax(390px, .85fr) 1.15fr; align-items: center; padding: 4% 7% 6% 6%; }
.intro-copy { position: relative; z-index: 5; max-width: 540px; }
.intro-copy > p { max-width: 480px; }
.intro-copy > * { opacity: 0; transform: translateY(18px); }
.scene-intro.active .intro-copy > * { animation: reveal-up .7s var(--ease) forwards; }
.scene-intro.active .intro-copy > :nth-child(2) { animation-delay: .12s; }
.scene-intro.active .intro-copy > :nth-child(3) { animation-delay: .25s; }
.deck-visual { position: relative; justify-self: center; width: min(41vw, 590px); aspect-ratio: 1.18; }
.deck-visual::before { content: ""; position: absolute; inset: 3% 0 0; border: 1px solid rgb(89 118 132 / 21%); background: linear-gradient(145deg, rgb(24 34 43 / 84%), rgb(10 15 20 / 65%)); clip-path: polygon(8% 0, 100% 0, 92% 100%, 0 100%); box-shadow: 0 30px 70px rgb(0 0 0 / 40%); }
.record-shadow { position: absolute; z-index: 1; left: 12%; top: 15%; width: 68%; aspect-ratio: 1; border-radius: 50%; background: rgb(0 0 0 / 55%); filter: blur(20px); }
.record { position: absolute; z-index: 2; left: 12%; top: 8%; width: 68%; aspect-ratio: 1; border-radius: 50%; background: repeating-radial-gradient(circle, #151b20 0 2px, #0b0f12 3px 7px); border: 2px solid #263039; box-shadow: inset 0 0 0 8px #080b0e, 0 22px 45px rgb(0 0 0 / 55%); animation: record-spin 13s linear infinite; }
.record::before { content: ""; position: absolute; inset: 6%; border-radius: 50%; border: 1px solid rgb(106 129 141 / 16%); box-shadow: inset 0 0 0 30px rgb(255 255 255 / 1.5%); }
.record-groove { position: absolute; border-radius: 50%; border: 1px solid rgb(91 116 128 / 20%); }
.record-groove.one { inset: 20%; }
.record-groove.two { inset: 32%; }
.record-label { position: absolute; inset: 37%; display: flex; flex-direction: column; align-items: center; justify-content: center; border-radius: 50%; background: radial-gradient(circle at 35% 28%, #5ad5dc, #1f7d84 70%); color: #091115; box-shadow: 0 0 20px rgb(60 198 207 / 25%); font-family: var(--display); }
.record-label::after { content: ""; position: absolute; width: 7px; height: 7px; border-radius: 50%; background: #091115; }
.record-label span { font-size: clamp(10px, 1vw, 15px); font-weight: 700; transform: translateY(-13px); }
.record-label b { font-size: clamp(8px, .75vw, 11px); transform: translateY(13px); }
.record-label small { color: #0c3b3f; font: 7px var(--mono); transform: translateY(14px); }
.tone-arm { position: absolute; z-index: 3; top: 10%; right: 14%; width: 8%; height: 62%; border-right: 6px solid #7b8991; border-radius: 0 20px 70px 0; transform: rotate(-9deg); transform-origin: top; box-shadow: 5px 4px 10px rgb(0 0 0 / 30%); }
.tone-arm::before { content: ""; position: absolute; top: -5%; right: -15px; width: 30px; height: 30px; border-radius: 50%; background: #29333b; border: 5px solid #11171c; }
.tone-arm i { position: absolute; right: -13px; bottom: -2%; width: 20px; height: 37px; background: #38444c; transform: rotate(8deg); }
.waveform { position: absolute; z-index: 4; right: 5%; bottom: 11%; display: flex; align-items: center; gap: 4px; width: 34%; height: 58px; padding: 10px 12px; border: 1px solid #264047; background: rgb(7 14 18 / 84%); }
.waveform i { flex: 1; height: var(--h); background: var(--accent); box-shadow: 0 0 7px rgb(60 198 207 / 44%); animation: wave 1.1s ease-in-out infinite alternate; animation-delay: calc(var(--h) * -0.01s); }
.signal-tag { position: absolute; z-index: 5; display: flex; flex-direction: column; padding: 8px 11px; border-left: 2px solid var(--accent); background: rgb(9 16 21 / 90%); color: var(--muted); font: 8px var(--mono); letter-spacing: .1em; }
.signal-tag b { margin-top: 3px; color: var(--text); font-weight: 400; }
.tag-input { top: 0; left: 1%; }
.tag-output { right: 1%; bottom: 1%; border-left-color: var(--ok); }

/* Scene 2 */
.scene-flow { grid-template-rows: auto 1fr; align-items: start; padding: 4.4% 7% 5%; }
.scene-heading { text-align: center; }
.scene-heading h2 { margin-bottom: 10px; font-size: clamp(38px, 4vw, 58px); }
.scene-heading p { margin: 0 auto; font-size: 14px; }
.flow-board { display: grid; grid-template-columns: 1fr 110px 1fr 110px 1fr; align-items: center; width: min(100%, 1020px); margin: 2.7% auto 0; }
.flow-card { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; height: min(34vh, 290px); border: 1px solid var(--line); background: linear-gradient(160deg, rgb(25 35 44 / 88%), rgb(12 18 23 / 88%)); box-shadow: 0 20px 45px rgb(0 0 0 / 25%); opacity: 0; transform: translateY(20px); }
.scene-flow.active .flow-card { animation: reveal-up .6s var(--ease) forwards; }
.scene-flow.active .flow-search { animation-delay: .45s; }
.scene-flow.active .flow-review { animation-delay: .9s; }
.flow-card::after { content: ""; position: absolute; inset: 6px; border: 1px solid rgb(76 100 113 / 9%); pointer-events: none; }
.flow-card:hover { border-color: #31545a; }
.flow-index { position: absolute; top: 14px; left: 16px; color: #4f5d68; font: 9px var(--mono); }
.flow-card > strong { margin-top: 19px; color: var(--accent); font: 600 9px var(--display); letter-spacing: .16em; }
.flow-card > b { margin: 7px 0 6px; color: var(--strong); font: 600 16px var(--display); }
.flow-card > small { color: var(--muted); font-size: 10.5px; }
.file-stack { position: relative; width: 76px; height: 76px; }
.file-stack i { position: absolute; width: 51px; height: 62px; border: 1px solid #38505c; background: #101820; }
.file-stack i::after { content: ""; position: absolute; left: 9px; right: 9px; top: 17px; height: 2px; background: #334650; box-shadow: 0 9px #334650, 0 18px #334650; }
.file-stack i:nth-child(1) { left: 2px; top: 9px; transform: rotate(-9deg); }
.file-stack i:nth-child(2) { right: 2px; top: 9px; transform: rotate(9deg); }
.file-stack i:nth-child(3) { left: 13px; top: 2px; border-color: var(--accent); }
.file-stack i:nth-child(3)::before { content: "TXT"; position: absolute; right: 5px; bottom: 5px; color: var(--accent); font: 7px var(--mono); }
.radar { position: relative; width: 82px; height: 82px; border: 1px solid #31525a; border-radius: 50%; background: repeating-radial-gradient(circle, transparent 0 12px, rgb(60 198 207 / 12%) 13px 14px); overflow: hidden; }
.radar::after { content: ""; position: absolute; left: 50%; top: 50%; width: 50%; height: 1px; background: var(--accent); transform-origin: left; animation: radar 2.4s linear infinite; box-shadow: 0 0 8px var(--accent); }
.radar i, .radar b, .radar span { position: absolute; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 8px var(--accent); }
.radar i { left: 25px; top: 21px; }.radar b { right: 18px; bottom: 28px; }.radar span { left: 28px; bottom: 13px; }
.candidate-stack { position: relative; width: 96px; height: 76px; }
.candidate-stack i { position: absolute; left: 0; right: 0; height: 18px; border: 1px solid #344650; background: #111920; }
.candidate-stack i::after { content: ""; position: absolute; left: 8px; top: 7px; width: 48%; height: 2px; background: #40515b; }
.candidate-stack i:nth-child(1) { top: 0; opacity: .55; }
.candidate-stack i:nth-child(2) { top: 27px; opacity: .75; }
.candidate-stack i:nth-child(3) { top: 54px; border-color: var(--accent); background: #123039; }
.candidate-stack i.selected b { position: absolute; right: 6px; top: 1px; color: var(--accent); font: 11px var(--display); }
.flow-connector { position: relative; height: 40px; opacity: 0; }
.scene-flow.active .flow-connector { animation: fade-in .5s ease forwards .25s; }
.scene-flow.active .flow-connector:nth-of-type(4) { animation-delay: .7s; }
.flow-connector span { position: absolute; left: 12px; right: 12px; top: 19px; height: 1px; background: #30424c; }
.flow-connector i { position: absolute; z-index: 2; top: 16px; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 8px var(--accent); animation: data-travel 1.6s linear infinite; }
.flow-connector i:nth-child(2) { animation-delay: -.53s; }.flow-connector i:nth-child(3) { animation-delay: -1.06s; }

/* Scene 3 */
.scene-choice { grid-template-columns: .72fr 1.28fr; align-items: center; gap: 5%; padding: 4.5% 6% 6%; }
.choice-copy { max-width: 440px; }
.choice-copy > p { font-size: 14px; }
.feature-list { display: grid; gap: 10px; margin: 26px 0 0; padding: 0; list-style: none; }
.feature-list li { display: flex; align-items: center; gap: 12px; padding: 9px 0; border-top: 1px solid var(--line-soft); }
.feature-list li > i { color: var(--accent); font: normal 9px var(--mono); }
.feature-list span b, .feature-list span small { display: block; }
.feature-list span b { color: var(--text); font: 600 11px var(--display); }
.feature-list span small { margin-top: 2px; color: var(--muted); font-size: 10px; }
.candidate-window { position: relative; width: 100%; max-width: 820px; border: 1px solid #2d3d47; background: #0e151b; box-shadow: 0 30px 70px rgb(0 0 0 / 40%); opacity: 0; transform: perspective(900px) rotateY(-4deg) translateX(30px); }
.scene-choice.active .candidate-window { animation: window-in .8s var(--ease) .15s forwards; }
.window-bar { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; height: 46px; padding: 0 16px; border-bottom: 1px solid var(--line); background: #151e25; }
.window-bar > span { display: flex; gap: 5px; }.window-bar > span i { width: 6px; height: 6px; border-radius: 50%; background: #35434e; }
.window-bar > b { font: 600 9px var(--display); letter-spacing: .09em; color: var(--soft); }
.window-bar > small { justify-self: end; color: var(--muted); font: 8px var(--mono); }
.track-summary { display: grid; grid-template-columns: 34px 110px 1fr; gap: 12px; align-items: center; padding: 13px 16px; background: #102029; border-bottom: 1px solid #20414e; font-size: 11px; }
.track-summary span { color: var(--muted); font: 9px var(--mono); }.track-summary b { color: var(--strong); }.track-summary strong { color: var(--text); font-weight: 500; }
.candidate-row { position: relative; display: grid; grid-template-columns: 32px minmax(190px, 1fr) 70px 92px 58px; gap: 9px; align-items: center; width: 100%; min-height: 70px; padding: 10px 14px; border: 0; border-bottom: 1px solid var(--line-soft); background: transparent; text-align: left; }
.candidate-row.best { background: linear-gradient(90deg, rgb(60 198 207 / 10%), transparent); box-shadow: inset 2px 0 var(--accent); }
.candidate-row .rank { color: #63717d; font: 9px var(--mono); }
.candidate-main b, .candidate-main small, .quality b, .quality small { display: block; }
.candidate-main b { overflow: hidden; color: var(--text); font-size: 10.5px; font-weight: 500; white-space: nowrap; text-overflow: ellipsis; }.candidate-main small { margin-top: 5px; color: var(--muted); font-size: 8.5px; }
.quality b { color: var(--strong); font: 600 10px var(--display); }.quality small { margin-top: 4px; color: var(--muted); font: 7.5px var(--mono); }
.slot { color: #74818b; font: 8px var(--display); }.slot i { display: inline-block; width: 5px; height: 5px; margin-right: 4px; border-radius: 50%; background: #697681; }.slot.free { color: var(--ok); }.slot.free i { background: var(--ok); box-shadow: 0 0 6px var(--ok); }
.download-chip { padding: 7px 8px; border: 1px solid #35535a; color: var(--accent); text-align: center; font: 600 8px var(--display); }
.candidate-row.best .download-chip { background: var(--accent); color: #071013; }
.demo-pointer { position: absolute; z-index: 5; left: 67%; top: 31%; width: 25px; height: 31px; opacity: 0; transform: rotate(-18deg); }
.scene-choice.active .demo-pointer { animation: pointer-move 4.2s var(--ease) .7s forwards; }
.demo-pointer::before { content: ""; position: absolute; width: 16px; height: 22px; background: var(--strong); clip-path: polygon(0 0, 0 100%, 35% 68%, 58% 100%, 73% 90%, 51% 59%, 92% 57%); filter: drop-shadow(0 2px 2px #000); }
.demo-pointer span { position: absolute; left: -8px; top: -8px; width: 30px; height: 30px; border: 1px solid var(--accent); border-radius: 50%; opacity: 0; }
.scene-choice.active .demo-pointer span { animation: click-ring .65s ease 3.7s; }

/* Scene 4 */
.scene-ready { grid-template-columns: 1.12fr .88fr; align-items: center; gap: 8%; padding: 5% 8% 7%; }
.ready-panel { position: relative; justify-self: end; width: min(45vw, 640px); }
.nicotine-window { border: 1px solid #31404a; background: #131a21; box-shadow: 0 28px 70px rgb(0 0 0 / 42%); opacity: 0; transform: translateY(25px) scale(.97); }
.scene-ready.active .nicotine-window { animation: window-in .7s var(--ease) forwards; }
.nicotine-top { display: flex; align-items: center; gap: 10px; height: 48px; padding: 0 14px; border-bottom: 1px solid var(--line); background: #1b232b; }
.mini-logo { display: grid; place-items: center; width: 25px; height: 25px; border-radius: 4px; background: #4c8bdb; color: white; font: 600 9px var(--display); }.nicotine-top b { flex: 1; font: 500 11px var(--display); }.nicotine-top i { width: 9px; height: 9px; border-radius: 50%; background: #394650; }
.nicotine-body { display: grid; grid-template-columns: 90px 1fr; height: min(36vh, 310px); }
.fake-sidebar { display: flex; flex-direction: column; gap: 15px; padding: 23px 16px; border-right: 1px solid var(--line); background: #10161c; }.fake-sidebar i { height: 5px; background: #2c3943; }.fake-sidebar i:nth-child(2) { width: 72%; background: #4074b7; }
.fake-content { position: relative; padding: 35px 26px; }.fake-content > span { display: block; height: 9px; margin-bottom: 18px; background: linear-gradient(90deg, #2b3842 0 55%, transparent 55%); }.fake-content > span:nth-child(2) { background: linear-gradient(90deg, #2b3842 0 78%, transparent 78%); }.fake-content > span:nth-child(3) { background: linear-gradient(90deg, #2b3842 0 63%, transparent 63%); }
.online-pill { position: absolute; right: 24px; bottom: 22px; display: flex; align-items: center; gap: 7px; padding: 8px 11px; border: 1px solid #285945; background: #142a21; color: var(--ok); font: 600 8px var(--display); letter-spacing: .08em; }.online-pill i { width: 6px; height: 6px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 7px var(--ok); }
.keep-open-badge { position: absolute; right: -18px; bottom: -23px; display: flex; align-items: center; gap: 12px; padding: 13px 18px; border: 1px solid #775d29; background: #251f13; box-shadow: 0 12px 25px rgb(0 0 0 / 38%); opacity: 0; }.scene-ready.active .keep-open-badge { animation: badge-in .55s var(--ease) .75s forwards; }.keep-open-badge span { display: grid; place-items: center; width: 22px; height: 22px; border: 1px solid var(--warn); border-radius: 50%; color: var(--warn); font: 700 12px var(--display); }.keep-open-badge b { color: #e3c47e; font: 600 9px var(--display); letter-spacing: .12em; }
.ready-copy { max-width: 470px; }.ready-copy > p { font-size: 15px; }.reassurance { display: flex; gap: 13px; margin-top: 25px; padding: 14px 16px; border-left: 2px solid var(--ok); background: rgb(41 105 78 / 12%); }.reassurance > span { color: var(--ok); }.reassurance p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.45; }.reassurance b { color: var(--text); }

/* Controls */
.lesson-controls { position: relative; z-index: 12; display: grid; grid-template-rows: 31px 1fr; padding: 0 34px; border-top: 1px solid var(--line); background: #0d1318; }
.timeline { position: relative; }
.timeline-track { position: absolute; left: 0; right: 0; top: 14px; height: 1px; background: #27323b; overflow: hidden; }.timeline-track i { display: block; width: 0; height: 100%; background: var(--accent); box-shadow: 0 0 8px var(--accent); transition: width .12s linear; }
.timeline-dots { position: absolute; inset: 0; display: flex; justify-content: space-between; align-items: center; pointer-events: none; }.timeline-dots button { position: relative; width: 9px; height: 9px; padding: 0; border: 2px solid #0d1318; border-radius: 50%; background: #43515c; box-shadow: 0 0 0 1px #43515c; cursor: pointer; pointer-events: auto; }.timeline-dots button.active, .timeline-dots button.done { background: var(--accent); box-shadow: 0 0 0 1px var(--accent), 0 0 9px rgb(60 198 207 / 55%); }
.control-row { display: grid; grid-template-columns: 1fr 52px 1fr; align-items: center; gap: 20px; }
.nav-button { display: inline-flex; align-items: center; gap: 12px; min-width: 152px; height: 42px; padding: 0 17px; border: 1px solid var(--line); font: 600 9px var(--display); letter-spacing: .12em; cursor: pointer; transition: border-color .2s, background .2s, color .2s; }.nav-button.secondary { justify-self: start; background: transparent; color: var(--soft); }.nav-button.primary { justify-self: end; justify-content: flex-end; background: var(--accent); border-color: var(--accent); color: #071013; }.nav-button.primary:hover { background: var(--accent-2); }.nav-button.secondary:hover:not(:disabled) { border-color: #45616a; color: var(--strong); }.nav-button:disabled { opacity: .28; cursor: default; }
.round-button { display: grid; place-items: center; width: 42px; height: 42px; padding: 0; border: 1px solid #35515a; border-radius: 50%; background: #132128; color: var(--accent); cursor: pointer; }.round-button:hover { border-color: var(--accent); }.play-icon { display: none; padding-left: 2px; font-size: 12px; }.pause-icon { display: flex; gap: 4px; }.pause-icon i { width: 3px; height: 12px; background: currentColor; }.round-button.paused .pause-icon { display: none; }.round-button.paused .play-icon { display: block; }
.chapter-toast { position: fixed; z-index: 50; right: 24px; bottom: 24px; display: flex; align-items: center; gap: 12px; min-width: 300px; padding: 14px 17px; border: 1px solid #31515a; background: #132027; box-shadow: 0 16px 42px rgb(0 0 0 / 55%); opacity: 0; transform: translateY(20px); pointer-events: none; transition: .35s var(--ease); }.chapter-toast.show { opacity: 1; transform: translateY(0); }.chapter-toast > span { color: var(--accent); font: 12px var(--mono); }.chapter-toast p { margin: 0; }.chapter-toast b, .chapter-toast small { display: block; }.chapter-toast b { color: var(--text); font: 600 11px var(--display); }.chapter-toast small { margin-top: 3px; color: var(--muted); font-size: 10px; }

/* Motion */
.reduce-motion *, .reduce-motion *::before, .reduce-motion *::after { animation-duration: .001ms !important; animation-delay: 0s !important; transition-duration: .001ms !important; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .001ms !important; animation-delay: 0s !important; transition-duration: .001ms !important; } }
@keyframes reveal-up { to { opacity: 1; transform: translateY(0); } }
@keyframes fade-in { to { opacity: 1; } }
@keyframes window-in { to { opacity: 1; transform: perspective(900px) rotateY(0) translate(0) scale(1); } }
@keyframes badge-in { to { opacity: 1; transform: translateY(0); } }
@keyframes brand-eq { to { height: 4px; } }
@keyframes record-spin { to { transform: rotate(360deg); } }
@keyframes wave { to { height: 17%; opacity: .65; } }
@keyframes radar { to { transform: rotate(360deg); } }
@keyframes data-travel { from { left: 9%; } to { left: 87%; } }
@keyframes pointer-move { 0% { left: 67%; top: 31%; opacity: 0; } 12% { opacity: 1; } 72%, 100% { left: 90%; top: 42%; opacity: 1; } }
@keyframes click-ring { 0% { opacity: 0; transform: scale(.3); } 35% { opacity: 1; } 100% { opacity: 0; transform: scale(1.35); } }

@media (max-width: 1220px) {
  .tutorial-shell { grid-template-columns: 238px minmax(0, 1fr); }
  .chapter-rail { font-size: 12px; }
  .scene-intro { padding-left: 5%; padding-right: 5%; }
  .flow-board { grid-template-columns: 1fr 74px 1fr 74px 1fr; }
  .scene-choice { gap: 3%; padding-left: 4%; padding-right: 4%; }
  .candidate-row { grid-template-columns: 26px minmax(160px, 1fr) 62px 80px 53px; }
  .ready-panel { width: 43vw; }
  .header-actions { gap: 12px !important; }
  .text-size-control > span { display: none; }
}

/* -------------------------------------------------------------------------
   Capítulos 1–8 · escenas guiadas
   ------------------------------------------------------------------------- */

.chapter:not(.active) { cursor: pointer; }
.chapter:not(.active):hover { background: rgb(255 255 255 / 2.5%); opacity: .72; }
.chapter.complete { opacity: .68; }
.chapter.complete .chapter-number { color: var(--ok); }
.chapter.complete::after { content: "✓"; position: absolute; right: 20px; color: var(--ok); font: 9px var(--mono); }
.scene h2 em { color: var(--accent); font-style: normal; }
.guide-scene { grid-template-columns: minmax(330px, .78fr) minmax(500px, 1.22fr); align-items: center; gap: 6%; padding: 4.3% 6% 6%; }
.guide-scene.visual-left { grid-template-columns: minmax(500px, 1.22fr) minmax(330px, .78fr); }
.guide-scene.visual-left > :first-child { grid-column: 1; }
.guide-scene.visual-left > .guide-copy { grid-column: 2; }
.guide-copy { position: relative; z-index: 4; max-width: 480px; }
.guide-copy h2 { margin-top: 15px; }
.guide-copy > p { max-width: 455px; font-size: 14px; }
.guide-copy > p b { color: var(--strong); font-weight: 600; }
.download-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 18px; min-width: 300px; margin-top: 20px; padding: 12px 14px; border: 1px solid #744039; background: #211110; color: var(--strong); font: 600 9px var(--display); letter-spacing: .06em; text-decoration: none; }
.download-link:hover, .download-link:focus-visible { border-color: var(--accent); background: #2d1513; }
.download-link span { color: var(--accent); font: 8px var(--mono); white-space: nowrap; }
.install-cases { display: grid; gap: 7px; margin-top: 17px; }
.install-cases > div { display: flex; align-items: center; gap: 11px; padding: 10px 12px; border: 1px solid var(--line); background: #121010; }
.install-cases > div > span { display: grid; flex: 0 0 auto; place-items: center; width: 25px; height: 25px; font: 600 11px var(--display); }
.install-cases p { margin: 0; }
.install-cases b, .install-cases small { display: block; }
.install-cases b { color: var(--text); font: 600 9px var(--display); }
.install-cases small { margin-top: 3px; color: var(--muted); font-size: 9px; line-height: 1.35; }
.install-cases .detected { border-left: 2px solid var(--ok); }
.install-cases .detected > span { color: var(--ok); }
.install-cases .missing { border-left: 2px solid var(--accent); }
.install-cases .missing > span { color: var(--accent); }
.download-link.manual-link { width: 100%; min-width: 0; margin-top: 11px; padding-block: 10px; }
.guide-copy > * { opacity: 0; transform: translateY(16px); }
.guide-scene.active .guide-copy > * { animation: reveal-up .58s var(--ease) forwards; }
.guide-scene.active .guide-copy > :nth-child(2) { animation-delay: .1s; }
.guide-scene.active .guide-copy > :nth-child(3) { animation-delay: .2s; }
.guide-scene.active .guide-copy > :nth-child(n+4) { animation-delay: .3s; }
.callout { display: flex; align-items: center; gap: 13px; margin-top: 24px; padding: 13px 15px; border-left: 2px solid var(--accent); background: rgb(60 198 207 / 7%); }
.callout > span { display: grid; flex: 0 0 auto; place-items: center; width: 23px; height: 23px; border: 1px solid var(--accent); border-radius: 50%; color: var(--accent); font: 600 10px var(--display); }
.callout p { margin: 0; line-height: 1.4; }
.callout b, .callout small { display: block; }
.callout b { color: var(--text); font: 600 10px var(--display); }
.callout small { margin-top: 3px; color: var(--muted); font-size: 9.5px; }
.callout.warn { border-left-color: var(--warn); background: rgb(242 181 68 / 7%); }
.callout.warn > span { border-color: var(--warn); color: var(--warn); }
.callout.success { border-left-color: var(--ok); background: rgb(88 211 154 / 7%); }
.callout.success > span { border-color: var(--ok); color: var(--ok); }
.key-hint { display: inline-flex; align-items: center; gap: 12px; margin-top: 23px; color: var(--muted); font-size: 10.5px; }
.key-hint kbd { display: grid; place-items: center; min-width: 35px; height: 32px; padding: 0 7px; white-space: nowrap; border: 1px solid #40505b; border-bottom-width: 3px; background: #121a20; color: var(--accent); font: 600 10px var(--display); }
.key-hint b { color: var(--text); font-weight: 500; }
.success-line { display: inline-flex; align-items: center; gap: 10px; margin-top: 24px; padding: 10px 14px; border: 1px solid #285a45; background: #11261d; color: var(--ok); font: 600 9px var(--display); letter-spacing: .06em; }
.success-line i { font-style: normal; font-size: 13px; }

/* Windows desktop + installation */
.desktop-demo, .settings-window, .terminal-demo, .nicotine-full-demo, .nicotine-download-demo, .app-shell-demo,
.dropzone-demo, .editor-demo, .playlist-created-demo, .search-ready-demo, .tabs-demo,
.download-choice-demo, .progress-demo, .file-result-demo, .player-settings-demo, .play-all-demo,
.ocr-intro-demo, .image-quality-demo, .ocr-upload-demo, .ocr-install-demo,
.ocr-processing-demo, .ocr-editor-demo, .reorder-demo, .m3u8-demo, .restore-demo,
.decks-shell-demo, .deck-load-demo, .deck-mix-demo, .deck-keys-demo {
  position: relative; z-index: 3; width: 100%; border: 1px solid #30404b; background: #111920; box-shadow: 0 28px 65px rgb(0 0 0 / 38%); opacity: 0; transform: perspective(1000px) rotateY(-3deg) translateY(20px);
}
.visual-right.active > :nth-child(2):not(.scene-caption),
.visual-left.active > :first-child,
.guide-scene.active .branch-board,
.guide-scene.active .plugin-picker,
.browser-scene.active .browser-demo {
  animation: window-in .72s var(--ease) .12s forwards;
}
.desktop-top, .settings-title, .terminal-bar { display: flex; align-items: center; gap: 12px; height: 44px; padding: 0 14px; border-bottom: 1px solid var(--line); background: #19222a; color: var(--soft); font: 10px var(--body); }
.desktop-top span, .terminal-bar span { flex: 1; }
.desktop-top i, .terminal-bar i { color: #73818c; font-style: normal; }
.file-area { position: relative; display: flex; justify-content: space-around; align-items: center; height: 330px; padding: 30px 48px; background: linear-gradient(140deg, #0f171e, #121b23); }
.file-icon { display: flex; flex-direction: column; align-items: center; gap: 11px; width: 130px; color: var(--soft); font-size: 10px; text-align: center; }
.file-icon > i { display: grid; place-items: center; width: 72px; height: 62px; font: normal 600 12px var(--display); }
.zip-file > i { border: 1px solid #43606e; background: linear-gradient(135deg, #243643 50%, #18242d 50%); color: var(--accent); }
.folder-file > i { position: relative; border: 1px solid #6a5727; background: #ac8435; }
.folder-file > i::before { content: ""; position: absolute; left: -1px; top: -11px; width: 31px; height: 11px; border: 1px solid #6a5727; border-bottom: 0; background: #bd9548; }
.extract-arrow { position: relative; display: flex; align-items: center; width: 140px; color: var(--accent); font: 8px var(--mono); }
.extract-arrow::before { content: ""; flex: 1; height: 1px; background: #31535a; }
.extract-arrow i { width: 7px; height: 7px; margin-right: 7px; border-top: 1px solid var(--accent); border-right: 1px solid var(--accent); transform: rotate(45deg); }
.extract-arrow span { position: absolute; top: 15px; left: 26px; }
.context-menu { position: absolute; left: 16%; top: 30%; width: 155px; padding: 6px; border: 1px solid #384650; background: #202a32; box-shadow: 0 12px 28px #0008; }
.context-menu span { display: block; padding: 8px 10px; color: var(--soft); font-size: 9px; }
.context-menu .selected { background: #1e4d55; color: var(--strong); }
.guide-scene.active .extract-demo .folder-file { animation: file-arrive .55s var(--ease) 1.1s both; }
.explorer-list { min-height: 330px; padding: 24px 18px; }
.explorer-list > div { display: grid; grid-template-columns: 38px 1fr 120px 90px; align-items: center; min-height: 66px; padding: 8px 12px; border-bottom: 1px solid var(--line-soft); color: var(--muted); font-size: 9px; }
.explorer-list > div > span { color: var(--text); font-size: 10.5px; }
.file-highlight { position: relative; border: 1px solid #2e6870 !important; background: rgb(60 198 207 / 9%); }
.file-highlight > b { color: var(--accent); font: 600 8px var(--display); letter-spacing: .08em; }
.folder-mini { width: 25px; height: 18px; background: #b78b37; }
.bat-mini, .doc-mini { display: grid; place-items: center; width: 27px; height: 30px; border: 1px solid #49606d; color: var(--accent); font: normal 8px var(--mono); }
.click-pulse { position: absolute; left: 31%; top: 45%; width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--accent); opacity: 0; }
.guide-scene.active .click-pulse { animation: click-pulse 1.3s ease .8s infinite; }
.mini-steps { display: grid; gap: 6px; margin-top: 22px; }
.mini-steps > div { display: flex; align-items: center; gap: 11px; padding: 8px 10px; border-top: 1px solid var(--line-soft); }
.mini-steps > div > span { min-width: 24px; color: var(--accent); font: 9px var(--mono); }
.mini-steps p { margin: 0; }
.mini-steps b, .mini-steps small { display: block; }
.mini-steps b { color: var(--text); font: 600 10px var(--display); }
.mini-steps small { margin-top: 2px; color: var(--muted); font-size: 9px; }
.mini-steps.compact { grid-template-columns: 1fr 1fr; }
.branch-board { position: relative; min-height: 390px; opacity: 0; transform: perspective(1000px) rotateY(-3deg) translateY(20px); }
.security-card, .dependency-card { position: absolute; border: 1px solid #3b4852; background: #172027; box-shadow: 0 18px 35px #0006; }
.security-card { left: 4%; top: 4%; width: 58%; padding: 24px; }
.security-card .shield { display: grid; place-items: center; width: 38px; height: 43px; margin-bottom: 15px; clip-path: polygon(50% 0, 100% 18%, 88% 78%, 50% 100%, 12% 78%, 0 18%); background: #3969ad; color: white; font: 700 16px var(--display); }
.security-card b, .security-card small { display: block; }.security-card b { color: var(--strong); font: 600 13px var(--display); }.security-card small { margin: 6px 0 17px; color: var(--muted); font-size: 9px; }.security-card button { padding: 8px 11px; border: 1px solid #46627e; background: #263a4e; color: white; font: 600 8px var(--display); }
.dependency-card { right: 2%; display: grid; grid-template-columns: 44px 1fr; align-items: center; gap: 10px; width: 47%; padding: 17px; }
.dependency-card > span { display: grid; place-items: center; width: 39px; height: 39px; border-radius: 5px; font: 700 10px var(--display); }
.dependency-card p { margin: 0; }.dependency-card p b, .dependency-card p small { display: block; }.dependency-card p b { color: var(--text); font: 600 11px var(--display); }.dependency-card p small { margin-top: 3px; color: var(--muted); font-size: 8.5px; }
.python-card { top: 34%; }.python-card > span { background: #28577b; color: #f1d05d; }.python-card label { grid-column: 1 / -1; margin-top: 10px; padding: 9px; background: #10171d; color: var(--soft); font-size: 8.5px; }.python-card label i { display: inline-grid; place-items: center; width: 15px; height: 15px; margin-right: 6px; background: #3c79b8; color: white; font-style: normal; }
.nicotine-card { top: 67%; }.nicotine-card > span { background: #4d86d3; color: white; }.install-meter { grid-column: 1 / -1; height: 3px; margin-top: 10px; background: #29343d; }.install-meter b { display: block; width: 72%; height: 100%; background: #4d86d3; }
.success-terminal { background: #070a0c; border-color: #303b43; }
.terminal-bar { background: #222a30; }
.terminal-demo pre { min-height: 330px; margin: 0; padding: 30px; color: #aeb8bd; font: 10.5px/2 var(--mono); white-space: pre-wrap; }
.terminal-demo pre span { color: #6d7c87; }.terminal-demo pre b { color: var(--ok); }.terminal-demo pre strong { color: var(--accent); font-weight: 500; }

/* Nicotine+ configuration */
.nicotine-download-demo { min-height: 390px; overflow: hidden; }
.download-demo-bar { display: flex; align-items: center; gap: 12px; height: 44px; padding: 0 15px; border-bottom: 1px solid var(--line); background: #191616; }
.download-demo-bar span { flex: 1; color: var(--soft); font: 9px var(--mono); }
.download-demo-bar b { padding: 5px 8px; border: 1px solid #65403b; color: var(--accent); font: 600 8px var(--display); letter-spacing: .1em; }
.download-demo-body { display: grid; grid-template-columns: 78px 1fr; gap: 18px; min-height: 345px; padding: 38px 42px; background: #100e0e; }
.nicotine-app-mark { display: grid; place-items: center; width: 74px; height: 74px; border: 1px solid #46698f; background: #294e78; color: white; font: 700 22px var(--display); }
.download-demo-title { align-self: center; }
.download-demo-title small, .download-demo-title strong, .download-demo-title span { display: block; }
.download-demo-title small { margin-bottom: 7px; color: var(--muted); font: 7px var(--mono); letter-spacing: .09em; }
.download-demo-title strong { color: var(--strong); font: 600 26px var(--display); }
.download-demo-title span { margin-top: 5px; color: var(--soft); font-size: 10px; }
.detection-branch { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 38px 1fr; align-items: stretch; gap: 9px; margin-top: 17px; }
.detection-branch > div:not(.branch-split) { display: flex; align-items: center; gap: 11px; min-height: 82px; padding: 13px; border: 1px solid var(--line); }
.detection-branch > div:not(.branch-split) > span { display: grid; flex: 0 0 auto; place-items: center; width: 30px; height: 30px; border: 1px solid currentColor; font: 600 13px var(--display); }
.detection-branch p { margin: 0; }
.detection-branch b, .detection-branch small { display: block; }
.detection-branch b { color: var(--text); font: 600 9px var(--display); }
.detection-branch small { margin-top: 5px; font: 7px var(--mono); }
.detection-branch .found { color: var(--ok); border-left-color: var(--ok) !important; }
.detection-branch .not-found { color: var(--accent); border-left-color: var(--accent) !important; }
.branch-split { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; color: var(--muted); font: 7px var(--mono); }
.branch-split i { width: 1px; height: 20px; background: var(--line); }
.detector-note { grid-column: 1 / -1; padding: 11px 13px; border-left: 2px solid var(--ok); background: rgb(88 211 154 / 5%); color: var(--soft); font-size: 9px; }
.settings-title { color: var(--text); }.settings-title b { flex: 1; font: 500 10px var(--display); }.settings-title small { color: var(--muted); font: 8px var(--mono); }
.settings-content { min-height: 350px; padding: 34px; }
.centered-form { width: 72%; margin: 0 auto; }
.form-label, .player-settings-demo > label { display: block; margin: 16px 0 7px; color: var(--muted); font: 8px var(--display); letter-spacing: .11em; }
.fake-input { height: 41px; padding: 12px; border: 1px solid #364651; background: #0c1217; color: var(--text); font: 10px var(--mono); }
.fake-input.typed i { display: inline-block; width: 1px; height: 14px; margin-left: 2px; background: var(--accent); vertical-align: middle; animation: blink 1s step-end infinite; }
.privacy-row { display: flex; gap: 8px; align-items: center; margin: 19px 0; color: var(--muted); font-size: 9px; }.privacy-row i { display: grid; place-items: center; width: 16px; height: 16px; background: #376fa7; color: white; font-style: normal; }
.centered-form button, .settings-save button { float: right; padding: 10px 20px; border: 0; background: #4b86cc; color: white; font: 600 8px var(--display); }
.folder-window { padding-bottom: 22px; }
.folder-setting { display: grid; grid-template-columns: 45px 1fr auto; align-items: center; gap: 14px; margin: 18px 24px 0; padding: 18px; border: 1px solid var(--line); background: #0e151b; }.folder-setting.active { border-color: #2e6570; }.folder-symbol { display: grid; place-items: center; width: 37px; height: 37px; border: 1px solid #37505e; color: var(--accent); font: 18px var(--display); }.folder-setting p { margin: 0; }.folder-setting b, .folder-setting small { display: block; }.folder-setting b { color: var(--text); font: 600 10px var(--display); }.folder-setting small { overflow: hidden; max-width: 340px; margin-top: 5px; color: var(--muted); font: 8px var(--mono); white-space: nowrap; text-overflow: ellipsis; }.folder-setting button { padding: 8px 10px; border: 1px solid #3b4b56; background: #19232b; color: var(--soft); font: 8px var(--display); }.folder-tip { margin: 18px 24px 0; color: var(--muted); font-size: 9px; }.folder-tip i { margin-right: 7px; color: var(--ok); font-style: normal; }
.nicotine-full-demo { overflow: hidden; min-height: 385px; }
.nicotine-tabs { display: flex; gap: 4px; padding: 7px 12px; border-bottom: 1px solid var(--line); background: #0f151a; }.nicotine-tabs span { padding: 8px 13px; color: var(--muted); font-size: 8.5px; }.nicotine-tabs span:first-child { background: #25384a; color: var(--text); }
.network-field { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; min-height: 270px; padding: 45px; background: radial-gradient(circle at 60% 50%, #172735, #0d141a 62%); }.network-field > i { height: 110px; border: 1px solid #293944; opacity: .7; }.network-user { position: absolute; left: 48%; top: 40%; padding: 9px 14px; border: 1px solid #315f69; background: #11272d; color: var(--accent); font: 9px var(--mono); box-shadow: 0 0 35px rgb(60 198 207 / 13%); }
.nicotine-status { display: flex; gap: 8px; align-items: center; height: 38px; padding: 0 14px; border-top: 1px solid #28513f; background: #102019; }.nicotine-status i { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 8px var(--ok); }.nicotine-status b { color: var(--ok); font: 600 8px var(--display); }.nicotine-status span { margin-left: auto; color: #63746c; font: 8px var(--mono); }

/* Plugin activation */
.preferences-window { min-height: 410px; }
.preferences-body { display: grid; grid-template-columns: 145px 1fr; min-height: 365px; }
.preferences-nav { padding: 16px 0; border-right: 1px solid var(--line); background: #0e151a; }.preferences-nav span { display: block; padding: 11px 18px; color: var(--muted); font-size: 9px; }.preferences-nav .selected { border-left: 2px solid #4c86c9; background: #1b2a38; color: var(--text); }
.preferences-main { padding: 24px; }.preferences-main h3 { margin: 0 0 22px; color: var(--strong); font: 500 17px var(--display); }.switch-row { display: flex; gap: 12px; align-items: center; padding: 14px; border: 1px solid var(--line); background: #111a21; }.switch-row span b, .switch-row span small { display: block; }.switch-row b { font-size: 10px; }.switch-row small { margin-top: 3px; color: var(--muted); font-size: 8px; }
.fake-switch { position: relative; display: block; width: 31px; height: 16px; border-radius: 20px; background: #35414a; }.fake-switch::after { content: ""; position: absolute; left: 3px; top: 3px; width: 10px; height: 10px; border-radius: 50%; background: #89949c; transition: .3s; }.fake-switch.on { background: #2c7b83; }.fake-switch.on::after { left: 18px; background: var(--accent); box-shadow: 0 0 7px var(--accent); }
.plugin-list-placeholder { display: grid; gap: 11px; margin-top: 22px; }.plugin-list-placeholder i { height: 39px; background: linear-gradient(90deg, #26333c 0 16%, #1a242b 16% 70%, transparent 70%); opacity: .7; }
.path-trail { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-top: 24px; }.path-trail span, .path-trail b { padding: 8px 10px; border: 1px solid var(--line); color: var(--muted); font: 8px var(--display); }.path-trail b { border-color: #2d6870; color: var(--accent); }.path-trail i { color: #53616c; font-style: normal; }
.plugin-picker { position: relative; width: 100%; padding-bottom: 18px; border: 1px solid #30404b; background: #111920; box-shadow: 0 28px 65px #0006; opacity: 0; transform: perspective(1000px) rotateY(-3deg) translateY(20px); }
.picker-head { display: flex; justify-content: space-between; align-items: center; height: 48px; padding: 0 17px; border-bottom: 1px solid var(--line); background: #19222a; }.picker-head b { font: 500 11px var(--display); }.picker-head span { color: var(--muted); font: 8px var(--mono); }
.plugin-entry { display: grid; grid-template-columns: 42px 1fr 34px; align-items: center; gap: 11px; min-height: 70px; margin: 8px 14px 0; padding: 10px; border: 1px solid transparent; }.plugin-entry.selected { border-color: #2e6870; background: rgb(60 198 207 / 7%); }.plugin-entry > i:not(.brand-mark) { width: 29px; height: 29px; background: #2a3740; }.plugin-entry .brand-mark { width: 29px; height: 29px; }.plugin-entry .brand-mark em { display: block; width: 3px; height: 12px; background: var(--accent); }.plugin-entry p { margin: 0; }.plugin-entry p b, .plugin-entry p small { display: block; }.plugin-entry p b { color: var(--text); font: 600 10px var(--display); }.plugin-entry p small { margin-top: 4px; color: var(--muted); font-size: 8.5px; }.plugin-picker > button { float: right; margin: 12px 14px 0; padding: 8px 13px; border: 1px solid #3c4c56; background: #1a252c; color: var(--soft); font: 8px var(--display); }
.browser-scene { display: block; padding: 3.2% 6% 5%; }.compact-heading { text-align: center; }.compact-heading h2 { margin: 12px 0 8px; font-size: clamp(33px, 3.5vw, 51px); }.compact-heading p { margin: 0; font-size: 13px; }
.browser-demo { width: min(100%, 970px); margin: 2.3% auto 0; border: 1px solid #34444e; background: #10171d; box-shadow: 0 25px 60px #0007; opacity: 0; transform: translateY(18px); }
.browser-chrome { display: flex; align-items: center; gap: 11px; height: 43px; padding: 0 13px; background: #20272d; color: #9ba5ac; font-size: 11px; }.address-bar { display: flex; align-items: center; flex: 1; height: 28px; padding: 0 12px; border-radius: 15px; background: #11161a; }.address-bar i { width: 7px; height: 7px; margin-right: 8px; border-radius: 50%; background: var(--ok); }.address-bar b { color: var(--text); font: 9px var(--mono); }.address-bar em { width: 5px; height: 5px; margin-left: auto; border-radius: 50%; background: var(--accent); }
.browser-page { display: grid; grid-template-columns: 175px 1fr; min-height: 280px; }.browser-page aside { padding: 18px; border-right: 1px solid var(--line); background: #121920; }.browser-page aside > b { display: block; margin-bottom: 22px; color: var(--text); font: 700 9px var(--display); letter-spacing: .08em; }.browser-page aside > b i { color: var(--accent); font-style: normal; }.browser-page aside button { width: 100%; margin-bottom: 25px; padding: 9px; border: 1px solid #2b5c63; background: transparent; color: var(--accent); font: 600 7px var(--display); }.browser-page aside span { color: var(--muted); font: 7px var(--display); letter-spacing: .12em; }.browser-page main { display: flex; flex-direction: column; align-items: center; justify-content: center; }.browser-page main small { color: var(--accent); font: 8px var(--display); letter-spacing: .14em; }.browser-page main h3 { margin: 10px 0; color: var(--strong); font: 600 24px var(--display); }.browser-page main p { margin: 0 0 17px; color: var(--muted); font-size: 10px; }.browser-page main button { padding: 9px 14px; border: 0; background: var(--accent); color: #071013; font: 600 7px var(--display); }
.bookmark-tip { position: absolute; right: 8%; bottom: 12%; display: flex; gap: 10px; align-items: center; padding: 10px 14px; border: 1px solid #3b4b54; background: #151e24; box-shadow: 0 12px 25px #0006; }.bookmark-tip > span { color: var(--warn); font-size: 18px; }.bookmark-tip p { margin: 0; }.bookmark-tip b, .bookmark-tip small { display: block; }.bookmark-tip b { font: 600 9px var(--display); }.bookmark-tip small { margin-top: 2px; color: var(--muted); font-size: 8px; }

/* Playlist import */
.app-shell-demo { display: grid; grid-template-columns: 185px 1fr; min-height: 400px; }.app-shell-demo > aside { display: flex; flex-direction: column; padding: 18px; border-right: 1px solid var(--line); background: #121920; }.app-shell-demo aside > b { color: var(--text); font: 700 9px var(--display); letter-spacing: .08em; }.app-shell-demo aside > b i { color: var(--accent); font-style: normal; }.app-shell-demo aside button { margin: 24px 0; padding: 11px; border: 1px solid #2d6870; background: transparent; color: var(--accent); font: 600 8px var(--display); }.app-shell-demo aside > span { color: var(--muted); font: 8px var(--display); letter-spacing: .11em; }.app-shell-demo aside > small { margin-top: 17px; color: #51606b; font-size: 8.5px; }.app-shell-demo main { display: flex; flex-direction: column; align-items: center; justify-content: center; }.empty-disc { display: grid; place-items: center; width: 72px; height: 72px; border: 1px solid #2f5057; border-radius: 50%; color: var(--accent); font: 300 30px var(--body); box-shadow: inset 0 0 0 8px #0d1318; }.app-shell-demo h3 { margin: 17px 0 7px; color: var(--strong); font: 600 22px var(--display); }.app-shell-demo main p { color: var(--muted); font-size: 9px; }
.app-pointer { left: 9%; top: 19%; }.guide-scene.active .app-pointer { animation: app-pointer 2.4s var(--ease) .5s both; }
.dropzone-demo { padding-bottom: 20px; }.dropzone-head { display: flex; justify-content: space-between; align-items: center; height: 47px; padding: 0 17px; border-bottom: 1px solid var(--line); background: #182129; }.dropzone-head span { font: 600 10px var(--display); }.dropzone-head small { color: var(--muted); font: 8px var(--mono); }.dropzone-box { display: flex; flex-direction: column; align-items: center; margin: 22px; padding: 33px; border: 1px dashed #3b6670; background: rgb(60 198 207 / 3%); }.upload-symbol { display: grid; place-items: center; width: 45px; height: 45px; margin-bottom: 12px; border: 1px solid #326169; border-radius: 50%; color: var(--accent); font-size: 21px; }.dropzone-box b { font: 600 12px var(--display); }.dropzone-box small { margin: 4px 0 14px; color: var(--muted); font-size: 9px; }.dropzone-box button { padding: 8px 12px; border: 1px solid #3c535d; background: #19252c; color: var(--text); font: 8px var(--display); }.format-row { display: flex; justify-content: center; gap: 7px; }.format-row span, .format-row i { padding: 5px 8px; border: 1px solid #315058; color: var(--accent); font: normal 7px var(--mono); }.format-row i { border-color: #323d45; color: #5d6a73; }
.editor-demo { padding: 19px; }.editor-demo > label { display: block; margin: 0 0 7px; color: var(--muted); font: 8px var(--display); letter-spacing: .1em; }.name-field { height: 37px; margin-bottom: 17px; padding: 10px 12px; border: 1px solid #344650; background: #0b1116; color: var(--text); font-size: 10px; }.text-editor { border: 1px solid #344650; background: #0a1015; }.text-editor span { position: relative; display: block; height: 35px; padding: 9px 12px 9px 43px; border-bottom: 1px solid #182129; color: var(--soft); font: 9px var(--mono); }.text-editor span i { position: absolute; left: 12px; color: #4e5c66; font-style: normal; }.text-editor .correcting { background: rgb(242 181 68 / 7%); color: #cdbb91; }.text-editor .correcting b { position: absolute; right: 11px; padding: 1px 5px; background: var(--accent); color: #071013; font-weight: 500; animation: correction 2.1s steps(1) infinite; }.editor-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 14px; }.editor-foot span { color: var(--ok); font: 8px var(--mono); }.editor-foot button { padding: 10px 14px; border: 0; background: var(--accent); color: #071013; font: 600 8px var(--display); }
.format-example { display: inline-flex; flex-direction: column; gap: 6px; margin-top: 20px; padding: 11px 13px; border-left: 2px solid var(--accent); background: rgb(60 198 207 / 6%); }
.format-example span { color: var(--accent); font: 7px var(--display); letter-spacing: .12em; }
.format-example code { color: var(--text); font: 9px var(--mono); }
.playlist-created-demo { min-height: 380px; }.created-head, .playlist-toolbar, .play-playlist-head { display: flex; justify-content: space-between; align-items: center; padding: 18px 20px; border-bottom: 1px solid var(--line); }.created-head p, .playlist-toolbar p, .play-playlist-head p { margin: 0; }.created-head p > *, .playlist-toolbar p > *, .play-playlist-head p > * { display: block; }.created-head small, .playlist-toolbar small, .play-playlist-head small { color: var(--accent); font: 7px var(--display); letter-spacing: .13em; }.created-head b, .playlist-toolbar b, .play-playlist-head b { margin: 4px 0; color: var(--strong); font: 600 18px var(--display); }.created-head span, .playlist-toolbar span, .play-playlist-head span { color: var(--muted); font-size: 8px; }.created-head button, .search-main-button { padding: 10px 13px; border: 0; background: var(--accent); color: #071013; font: 600 8px var(--display); }.track-table { padding: 10px 18px; }.track-table > div { display: grid; grid-template-columns: 34px 130px 1fr 90px; align-items: center; min-height: 49px; border-bottom: 1px solid var(--line-soft); color: var(--soft); font-size: 9px; }.track-table .table-head { min-height: 32px; color: var(--muted); font: 7px var(--display); }.track-table i { color: var(--muted); font: normal 7px var(--display); }

/* Search */
.search-ready-demo { min-height: 380px; }.playlist-toolbar p > span i { padding: 2px 5px; border: 1px solid #31565e; color: var(--accent); font-style: normal; }.search-status-rows { padding: 8px 18px 40px; }.search-status-rows > div { display: grid; grid-template-columns: 32px 110px 1fr 80px; align-items: center; min-height: 55px; border-bottom: 1px solid var(--line-soft); font-size: 9px; }.search-status-rows > div > span { color: var(--muted); font: 8px var(--mono); }.search-status-rows p { margin: 0; color: var(--soft); }.search-status-rows i { color: var(--muted); font: normal 7px var(--display); }.connection-bar { position: absolute; left: 0; right: 0; bottom: 0; display: flex; align-items: center; height: 36px; padding: 0 15px; border-top: 1px solid var(--line); background: #0a0f13; }.connection-bar span { color: var(--ok); font: 7px var(--display); }.connection-bar span i { display: inline-block; width: 6px; height: 6px; margin-right: 5px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 7px var(--ok); }.connection-bar small { margin-left: auto; color: #53616a; font: 7px var(--mono); }
.search-live-scene { display: block; padding: 3% 7% 6%; }.live-search-board { width: min(100%, 980px); margin: 2.3% auto 0; border: 1px solid #2e3e48; background: #10171d; box-shadow: 0 25px 60px #0007; }.live-row { display: grid; grid-template-columns: 38px 160px 1fr 120px 60px; align-items: center; min-height: 60px; padding: 0 15px; border-bottom: 1px solid var(--line-soft); color: var(--soft); font-size: 10px; }.live-row > span { color: var(--muted); font: 8px var(--mono); }.live-row p { margin: 0; }.live-row > i { color: var(--muted); font: normal 8px var(--display); }.live-row > em { justify-self: end; color: var(--muted); font: normal 8px var(--display); }.live-row.found { box-shadow: inset 2px 0 var(--warn); }.live-row.found > em { color: var(--warn); }.live-row.searching { background: rgb(60 198 207 / 4%); }.live-row.searching > i { color: var(--accent); }.live-row.searching > i b { display: inline-block; width: 7px; height: 7px; margin-right: 6px; border: 1px solid var(--accent); border-top-color: transparent; border-radius: 50%; animation: radar 1s linear infinite; }.live-row.delay > i b { animation-delay: -.4s; }
.search-meter { display: grid; grid-template-columns: 150px 1fr 50px; align-items: center; gap: 13px; width: min(100%, 980px); margin: 13px auto; color: var(--muted); font: 8px var(--display); }.search-meter > i { height: 3px; background: #26333c; }.search-meter > i b { display: block; width: 40%; height: 100%; background: var(--accent); box-shadow: 0 0 8px var(--accent); animation: search-progress 5s ease-in-out infinite alternate; }.search-meter em { color: var(--accent); font: normal 8px var(--mono); }
.tabs-demo { min-height: 365px; padding-top: 62px; }.finish-toast { position: absolute; right: 20px; top: -20px; display: flex; align-items: center; gap: 10px; padding: 13px 16px; border: 1px solid #2a5945; background: #12271e; box-shadow: 0 12px 25px #0007; }.finish-toast > span { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: var(--ok); color: #0b1a13; }.finish-toast p { margin: 0; }.finish-toast b, .finish-toast small { display: block; }.finish-toast b { color: var(--text); font: 600 9px var(--display); }.finish-toast small { margin-top: 3px; color: #729e88; font-size: 8px; }
.status-tabs { display: flex; gap: 4px; padding: 0 16px; border-bottom: 1px solid var(--line); }.status-tabs span { padding: 11px 13px; color: var(--muted); font: 8px var(--display); }.status-tabs span b { margin-left: 5px; color: #56636d; font: 8px var(--mono); }.status-tabs .active { border-bottom: 2px solid var(--warn); color: var(--strong); }.status-tabs .active b { color: var(--warn); }.review-mini-list { padding: 10px 16px; }.review-mini-list > div { display: grid; grid-template-columns: 130px 1fr 80px; align-items: center; min-height: 54px; border-bottom: 1px solid var(--line-soft); font-size: 9px; }.review-mini-list span { color: var(--soft); }.review-mini-list i { color: var(--warn); font: normal 8px var(--display); }

/* Download */
.download-choice-demo { padding-bottom: 10px; }.choice-track { display: grid; grid-template-columns: 35px 1fr 90px; align-items: center; min-height: 66px; padding: 0 15px; border-bottom: 1px solid #2b4d59; background: #11242d; }.choice-track > span { color: var(--muted); font: 8px var(--mono); }.choice-track p { margin: 0; }.choice-track b, .choice-track small { display: block; }.choice-track b { font-size: 10px; }.choice-track small { margin-top: 3px; color: var(--soft); font-size: 9px; }.choice-track i { color: var(--warn); font: normal 7px var(--display); }
.download-option { display: grid; grid-template-columns: 30px 1fr 85px 55px; align-items: center; gap: 8px; min-height: 84px; margin: 8px 10px 0; padding: 11px; border: 1px solid var(--line-soft); }.download-option.best { border-color: #2d6870; background: rgb(60 198 207 / 6%); }.download-option > span { color: var(--muted); font: 8px var(--mono); }.download-option p { margin: 0; }.download-option p b, .download-option p small { display: block; }.download-option p b { color: var(--text); font-size: 9px; }.download-option p small { margin-top: 5px; color: var(--muted); font-size: 7.5px; }.download-option > i { color: var(--ok); font: normal 7px var(--display); }.download-option button { padding: 8px; border: 1px solid #35616a; background: transparent; color: var(--accent); font: 7px var(--display); }.download-option.best button { background: var(--accent); color: #071013; }
.quality-legend { display: flex; gap: 8px; margin-top: 22px; }.quality-legend span { padding: 7px 9px; border: 1px solid var(--line); color: var(--muted); font: 7px var(--display); }.quality-legend b { color: var(--accent); }
.progress-demo { padding: 30px; }.progress-track-info { display: grid; grid-template-columns: 38px 1fr 60px; align-items: center; }.progress-track-info > span { color: var(--muted); font: 9px var(--mono); }.progress-track-info p { margin: 0; }.progress-track-info b, .progress-track-info small { display: block; }.progress-track-info b { color: var(--strong); font: 600 13px var(--display); }.progress-track-info small { margin-top: 4px; color: var(--soft); font-size: 10px; }.progress-track-info strong { justify-self: end; color: var(--accent); font: 500 19px var(--mono); }.download-progress { height: 7px; margin: 28px 0 12px; background: #26333c; overflow: hidden; }.download-progress i { display: block; width: 68%; height: 100%; background: var(--accent); box-shadow: 0 0 12px var(--accent); animation: download-fill 4.5s ease-in-out infinite alternate; }.transfer-details { display: flex; gap: 16px; color: var(--muted); font: 8px var(--mono); }.transfer-details b { margin-left: auto; color: var(--accent); font: 8px var(--display); }.state-transform { display: flex; justify-content: center; align-items: center; gap: 16px; margin-top: 42px; padding: 17px; border: 1px solid var(--line); background: #0c1217; font: 8px var(--display); }.state-transform span { color: var(--accent); }.state-transform i { color: #56646e; font-style: normal; }.state-transform b { color: var(--ok); }
.file-result-demo { padding-bottom: 18px; }.downloaded-row { display: grid; grid-template-columns: 35px 1fr 110px 85px; align-items: center; min-height: 78px; padding: 0 16px; border-bottom: 1px solid #28523f; background: rgb(88 211 154 / 5%); }.downloaded-row > span { color: var(--muted); font: 8px var(--mono); }.downloaded-row p { margin: 0; }.downloaded-row p b, .downloaded-row p small { display: block; }.downloaded-row p b { font: 600 10px var(--display); }.downloaded-row p small { margin-top: 3px; color: var(--soft); font-size: 9px; }.downloaded-row > i { color: var(--muted); font: normal 8px var(--mono); }.downloaded-row > strong { color: var(--ok); font: 600 7px var(--display); }.file-actions { display: flex; gap: 8px; padding: 17px; }.file-actions button { padding: 9px 11px; border: 1px solid #354650; background: transparent; color: var(--soft); font: 7px var(--display); }.file-actions .primary-file { border-color: #2f6971; color: var(--accent); }.explorer-result { display: flex; align-items: center; gap: 13px; margin: 0 17px; padding: 14px; border: 1px solid #3e5260; background: #17232c; }.music-file { display: grid; place-items: center; width: 38px; height: 43px; background: #2e6180; color: white; font-size: 18px; }.explorer-result p { margin: 0; }.explorer-result b, .explorer-result small { display: block; }.explorer-result b { color: var(--text); font-size: 9px; }.explorer-result small { margin-top: 4px; color: var(--muted); font: 7.5px var(--mono); }

/* OCR */
.ocr-route { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.ocr-route span, .ocr-route b { padding: 8px 10px; border: 1px solid var(--line); color: var(--muted); font: 8px var(--display); }
.ocr-route b { border-color: #2d6870; color: var(--accent); }
.ocr-route i { color: #53616c; font-style: normal; }
.ocr-intro-demo { display: grid; grid-template-columns: 1fr 42px 1fr; align-items: center; gap: 10px; min-height: 360px; padding: 25px; }
.ocr-scan-card, .ocr-text-card { position: relative; overflow: hidden; min-height: 280px; border: 1px solid #334650; background: #0c1217; }
.capture-chrome { display: flex; align-items: center; gap: 6px; height: 38px; padding: 0 11px; border-bottom: 1px solid var(--line); background: #19222a; }
.capture-chrome i { width: 7px; height: 7px; border-radius: 50%; background: #55636d; }
.capture-chrome span { overflow: hidden; margin-left: 6px; color: var(--muted); font: 7px var(--mono); white-space: nowrap; text-overflow: ellipsis; }
.capture-list { display: grid; gap: 4px; padding: 23px 15px; background: linear-gradient(135deg, #18242c, #10171d); }
.capture-list span { padding: 12px 9px; background: rgb(255 255 255 / 4%); color: #d8e0e4; font-size: 8px; white-space: nowrap; }
.capture-list b { margin-right: 8px; color: #647680; font: 7px var(--mono); }
.scan-line { position: absolute; left: 0; right: 0; top: 40px; height: 2px; background: var(--accent); box-shadow: 0 0 15px var(--accent); animation: ocr-scan 3.2s ease-in-out infinite; }
.ocr-conversion-arrow { color: var(--accent); font: 22px var(--display); text-align: center; }
.ocr-text-card { display: flex; flex-direction: column; padding: 23px 18px; }
.ocr-text-card small { color: var(--accent); font: 7px var(--display); letter-spacing: .13em; }
.ocr-text-card code { flex: 1; margin-top: 22px; color: var(--soft); font: 8px/2.25 var(--mono); }
.ocr-text-card > span { align-self: flex-start; padding: 6px 8px; border: 1px solid #285a45; color: var(--ok); font: 7px var(--display); }
.image-quality-demo { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; min-height: 360px; padding: 19px; }
.quality-shot { position: relative; overflow: hidden; min-width: 0; padding: 52px 14px 16px; border: 1px solid var(--line); background: #0c1217; }
.quality-badge { position: absolute; left: 0; right: 0; top: 0; padding: 12px 14px; font: 7px var(--display); letter-spacing: .08em; }
.good-shot { border-color: #2b5b48; }.good-shot .quality-badge { background: #11261d; color: var(--ok); }
.noisy-shot { border-color: #5f4930; }.noisy-shot .quality-badge { background: #281f13; color: var(--warn); }
.shot-list { display: grid; gap: 7px; padding: 17px 11px; background: #152129; }
.shot-list b { overflow: hidden; padding: 8px; background: rgb(255 255 255 / 4%); color: #d8e0e4; font: 7px var(--body); white-space: nowrap; text-overflow: ellipsis; }
.quality-shot > small { display: block; margin-top: 17px; color: var(--muted); font: 6.5px var(--display); text-align: center; }
.noise-blocks { display: grid; gap: 8px; padding: 12px; filter: blur(.8px); transform: rotate(-1.5deg); background: repeating-linear-gradient(45deg, #182128, #182128 9px, #202a31 9px, #202a31 18px); }
.noise-blocks i { height: 19px; background: #4a586144; }.noise-blocks i:nth-child(2) { width: 63%; }.noise-blocks i:nth-child(5) { width: 78%; }
.noise-blocks b { padding: 9px 5px; color: #aeb5b9; font: 7px var(--body); white-space: nowrap; }
.ocr-upload-demo { min-height: 380px; }
.multi-dropzone { display: flex; align-items: center; justify-content: center; gap: 17px; margin: 16px 18px 12px; padding: 17px; border: 1px dashed #3b6670; background: rgb(60 198 207 / 3%); }
.multi-dropzone .upload-symbol { flex: 0 0 auto; margin: 0; }
.multi-dropzone p { margin: 0; }.multi-dropzone b, .multi-dropzone small { display: block; }
.multi-dropzone b { color: var(--text); font: 600 10px var(--display); }.multi-dropzone small { margin-top: 4px; color: var(--muted); font-size: 8px; }
.image-queue { padding: 0 18px 13px; }
.image-queue > div, .processing-file { display: grid; grid-template-columns: 25px 38px 1fr 45px; align-items: center; gap: 10px; min-height: 57px; border-bottom: 1px solid var(--line-soft); }
.image-queue > div > span { color: var(--muted); font: 7px var(--mono); }
.image-thumb { display: block; width: 34px; height: 39px; border: 1px solid #3a515e; background-color: #1a2730; background-image: repeating-linear-gradient(0deg, transparent 0 6px, #71818a55 6px 8px); }
.thumb-two { background-position: 0 3px; filter: brightness(.9); }.thumb-three { background-position: 0 6px; filter: brightness(.8); }
.image-queue p, .processing-file p { min-width: 0; margin: 0; }.image-queue b, .image-queue small, .processing-file b, .processing-file small { display: block; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.image-queue b, .processing-file b { color: var(--text); font: 600 8px var(--display); }.image-queue small, .processing-file small { margin-top: 3px; color: var(--muted); font-size: 7px; }
.image-queue em { justify-self: end; color: var(--accent); font: normal 6.5px var(--display); }
.ocr-install-demo { min-height: 365px; padding: 23px; text-align: center; }
.ocr-install-head { display: flex; align-items: center; gap: 11px; padding-bottom: 17px; border-bottom: 1px solid var(--line); text-align: left; }
.ocr-install-head > span { display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid #2d6870; color: var(--accent); font: 700 9px var(--display); }
.ocr-install-head p { margin: 0; }.ocr-install-head b, .ocr-install-head small { display: block; }.ocr-install-head b { font: 600 10px var(--display); }.ocr-install-head small { margin-top: 4px; color: var(--muted); font-size: 8px; }
.ocr-download-size { display: flex; align-items: center; justify-content: center; gap: 9px; margin: 23px 0 17px; }
.ocr-download-size strong { color: var(--strong); font: 600 46px/1 var(--display); }.ocr-download-size > span { color: var(--accent); font: 600 14px var(--display); text-align: left; }.ocr-download-size small { display: block; margin-top: 4px; color: var(--muted); font: 6px var(--display); }
.ocr-install-progress { display: grid; grid-template-columns: 1fr auto; gap: 7px; align-items: center; text-align: left; }
.ocr-install-progress > i { grid-column: 1 / -1; height: 5px; background: #27343c; }.ocr-install-progress > i b { display: block; width: 68%; height: 100%; background: var(--accent); animation: ocr-install 4s ease-in-out infinite alternate; }
.ocr-install-progress span, .ocr-install-progress em { color: var(--muted); font: normal 7px var(--mono); }.ocr-install-progress em { color: var(--accent); }
.ocr-install-demo > button { margin-top: 18px; padding: 10px 15px; border: 0; background: var(--accent); color: #071013; font: 600 8px var(--display); }
.install-reminder { display: flex; align-items: center; justify-content: center; gap: 7px; margin-top: 17px; color: var(--muted); font: 7px var(--display); }.install-reminder i { width: 6px; height: 6px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 7px var(--ok); }
.ocr-processing-demo { min-height: 370px; padding: 21px; }
.processing-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 17px; border-bottom: 1px solid var(--line); }.processing-head p { margin: 0; }.processing-head b, .processing-head small { display: block; }.processing-head b { font: 600 11px var(--display); }.processing-head small { margin-top: 4px; color: var(--muted); font-size: 8px; }.processing-head span { color: var(--accent); font: 9px var(--mono); }
.processing-file { grid-template-columns: 38px 1fr 34px; min-height: 67px; padding: 0 8px; }.processing-file.active { background: rgb(88 211 154 / 4%); }.processing-file > em { justify-self: center; color: var(--ok); font: normal 10px var(--display); }.processing-file.scanning { background: rgb(60 198 207 / 5%); }.processing-file.scanning > em { width: 15px; height: 15px; border: 1px solid var(--accent); border-top-color: transparent; border-radius: 50%; animation: radar 1s linear infinite; }
.processing-meter { margin-top: 19px; }.processing-meter > i { display: block; height: 4px; background: #27343c; }.processing-meter > i b { display: block; width: 55%; height: 100%; background: var(--accent); animation: search-progress 4s ease-in-out infinite alternate; }.processing-meter span { display: block; margin-top: 9px; color: var(--muted); font: 7px var(--display); text-align: center; }
.ocr-editor-demo { padding: 18px; }
.ocr-editor-demo > label { display: block; margin: 0 0 6px; color: var(--muted); font: 7px var(--display); letter-spacing: .09em; }
.ocr-editor-demo .name-field { height: 34px; margin-bottom: 13px; padding: 9px 11px; }
.ocr-text-editor { border: 1px solid #344650; background: #0a1015; }
.ocr-text-editor > span { position: relative; display: block; height: 38px; padding: 10px 67px 10px 39px; border-bottom: 1px solid #182129; color: var(--soft); font: 8px var(--mono); }
.ocr-text-editor > span > i { position: absolute; left: 11px; color: #4e5c66; font-style: normal; }.ocr-text-editor > span > b { position: absolute; right: 9px; padding: 2px 5px; font: 7px var(--display); }
.ocr-warning { background: rgb(242 181 68 / 6%); }.ocr-warning > b { color: var(--warn); }.ocr-delete { background: rgb(224 101 101 / 6%); color: #9d7777 !important; }.ocr-delete > b { color: #e57979; }
.ocr-checklist { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; margin-top: 21px; }.ocr-checklist span { padding: 9px; border: 1px solid var(--line); color: var(--muted); font-size: 8px; }.ocr-checklist i { display: inline-block; min-width: 33px; margin-right: 5px; color: var(--warn); font: normal 7px var(--mono); }

/* Player + finish */
.path-trail.stacked { max-width: 340px; }
.player-settings-demo { padding: 0 22px 22px; }.player-settings-head { display: flex; align-items: center; gap: 11px; margin: 0 -22px 23px; padding: 14px 20px; border-bottom: 1px solid var(--line); background: #182129; }.player-settings-head .brand-mark { flex: 0 0 auto; }.player-settings-head p { margin: 0; }.player-settings-head b, .player-settings-head small { display: block; }.player-settings-head b { font: 600 10px var(--display); }.player-settings-head small { margin-top: 3px; color: var(--muted); font-size: 8px; }.player-path { display: flex; height: 42px; border: 1px solid #344650; background: #0b1116; }.player-path span { flex: 1; overflow: hidden; padding: 12px; color: var(--soft); font: 8px var(--mono); white-space: nowrap; text-overflow: ellipsis; }.player-path button { width: 80px; border: 0; border-left: 1px solid #344650; background: #1a252c; color: var(--accent); font: 7px var(--display); }.player-options { display: flex; align-items: center; gap: 12px; margin-top: 16px; padding: 14px; border: 1px solid var(--line); background: #10171d; }.player-icon { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 6px; background: #ea7a22; color: white; }.player-options p { margin: 0; }.player-options b, .player-options small { display: block; }.player-options b { font: 600 10px var(--display); }.player-options small { margin-top: 4px; color: var(--muted); font-size: 8px; }.settings-save { min-height: 46px; margin-top: 18px; }
.play-all-demo { padding-bottom: 14px; }.play-all-button { padding: 11px 15px; border: 0; background: var(--accent); color: #071013; font: 600 8px var(--display); }.play-all-button i { margin-right: 6px; font-style: normal; }.playing-list { padding: 8px 17px; }.playing-list > div { display: grid; grid-template-columns: 35px 1fr 55px; align-items: center; min-height: 57px; border-bottom: 1px solid var(--line-soft); }.playing-list > div > span { color: var(--muted); font: 8px var(--mono); }.playing-list p { margin: 0; }.playing-list p b, .playing-list p small { display: block; }.playing-list p b { font: 600 9px var(--display); }.playing-list p small { margin-top: 3px; color: var(--soft); font-size: 8.5px; }.playing-list em { justify-self: end; color: var(--muted); font: normal 8px var(--mono); }.playing-list .playing { grid-template-columns: 35px 1fr repeat(4, 3px); gap: 4px; color: var(--accent); }.playing-list .playing > i { height: 18px; background: var(--accent); animation: wave .65s ease-in-out infinite alternate; }.playing-list .playing > i:nth-child(4) { animation-delay: -.2s; height: 10px; }.playing-list .playing > i:nth-child(5) { animation-delay: -.4s; height: 15px; }.player-now { display: flex; align-items: center; gap: 11px; margin: 4px 17px; padding: 11px; border: 1px solid #5b3e26; background: #24180e; }.player-now .player-icon { width: 30px; height: 30px; }.player-now p { margin: 0; }.player-now b, .player-now small { display: block; }.player-now b { color: #e9aa6d; font: 600 8px var(--display); }.player-now small { margin-top: 2px; color: #9a7553; font-size: 7.5px; }
.finish-scene { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 3% 8% 6%; text-align: center; }.finish-scene h2 { margin: 13px 0 12px; font-size: clamp(44px, 5vw, 72px); }.finish-scene h2 em { color: var(--accent); font-style: normal; }.finish-scene > p { max-width: 620px; margin: 0; font-size: 14px; }.finish-halo { position: relative; display: grid; place-items: center; width: 88px; height: 88px; margin-bottom: 16px; }.finish-halo > i { position: absolute; inset: 0; border: 1px solid rgb(60 198 207 / 25%); border-radius: 50%; animation: finish-ring 2.5s ease-out infinite; }.finish-halo > i:nth-child(2) { animation-delay: -.8s; }.finish-halo > i:nth-child(3) { animation-delay: -1.6s; }.finish-halo > span { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 50%; background: var(--accent); color: #071013; font: 700 20px var(--display); box-shadow: 0 0 28px rgb(60 198 207 / 30%); }
.finish-summary { display: flex; gap: 8px; margin-top: 24px; }.finish-summary > span { padding: 9px 12px; border: 1px solid #2a444b; background: #10191f; color: var(--soft); font: 7px var(--display); letter-spacing: .05em; }.finish-summary i { margin-right: 6px; color: var(--accent); font: normal 7px var(--mono); }
.finish-folder { display: flex; align-items: center; gap: 12px; width: min(100%, 600px); margin-top: 15px; padding: 12px 14px; border: 1px solid #38515c; background: #142028; text-align: left; }.finish-folder > span { display: grid; place-items: center; width: 37px; height: 41px; background: #2e6180; color: white; }.finish-folder p { flex: 1; margin: 0; }.finish-folder b, .finish-folder small { display: block; }.finish-folder b { font: 600 10px var(--display); }.finish-folder small { margin-top: 3px; color: var(--muted); font-size: 8px; }.finish-folder button { padding: 8px 11px; border: 1px solid #2f6971; background: transparent; color: var(--accent); font: 7px var(--display); }.community-note { display: flex; gap: 10px; align-items: center; margin-top: 14px; color: var(--muted); text-align: left; }.community-note > span { color: var(--ok); }.community-note p { margin: 0; }.community-note b, .community-note small { display: block; }.community-note b { color: var(--text); font: 600 9px var(--display); }.community-note small { margin-top: 2px; font-size: 8px; }

/* Barra izquierda de la app: el botón Decks bajo "+ Nueva playlist" */
.browser-page aside .decks-mini, .app-shell-demo aside .decks-mini { display: flex; align-items: center; justify-content: center; gap: 6px; border-color: #3b4852; color: var(--soft); }
.browser-page aside .decks-mini { margin-top: -19px; }
.app-shell-demo aside .decks-mini { margin: -16px 0 24px; }
.decks-mini i, .decks-button i { width: 5px; height: 5px; border-radius: 50%; background: #5d6a73; }

/* Ordenar */
.reorder-demo { padding-bottom: 10px; }
.status-tabs.all-tabs .active { border-bottom-color: var(--accent); }
.status-tabs.all-tabs .active b { color: var(--accent); }
.order-rows { position: relative; padding: 6px 17px; }
.order-rows > div:not(.demo-pointer) { display: grid; grid-template-columns: 18px 30px 1fr 80px; align-items: center; height: 50px; border-bottom: 1px solid var(--line-soft); }
.order-rows > div > span { color: var(--muted); font: 8px var(--mono); }
.order-rows p { margin: 0; }
.order-rows p b, .order-rows p small { display: block; }
.order-rows p b { color: var(--text); font: 600 9px var(--display); }
.order-rows p small { margin-top: 3px; color: var(--soft); font-size: 8.5px; }
.order-rows em { justify-self: end; color: var(--ok); font: normal 7px var(--display); }
.grip { width: 8px; height: 12px; background: radial-gradient(circle, #6b7780 1.2px, transparent 1.5px) 0 0 / 4px 4px; }
.order-source { opacity: .38; }
.order-drop-line { position: absolute; left: 17px; right: 17px; top: 55px; height: 2px; background: var(--accent); box-shadow: 0 0 8px var(--accent); opacity: 0; }
.order-ghost { position: absolute; z-index: 4; left: 118px; top: 118px; padding: 7px 11px; border: 1px solid var(--accent); background: #1d1515; box-shadow: 0 10px 24px #0009; color: var(--strong); font: 600 8px var(--display); white-space: nowrap; opacity: 0; }
.order-pointer { left: 110px; top: 128px; }
.guide-scene.active .reorder-demo .order-ghost { animation: order-drag 2.2s var(--ease) .9s forwards; }
.guide-scene.active .reorder-demo .order-pointer { animation: order-drag-pointer 2.2s var(--ease) .9s forwards; }
.guide-scene.active .reorder-demo .order-drop-line { animation: fade-in .3s ease 2.5s forwards; }
.m3u8-files { padding: 8px 16px 2px; }
.m3u8-files > div { display: grid; grid-template-columns: 34px 1fr auto; align-items: center; gap: 10px; min-height: 42px; border-bottom: 1px solid var(--line-soft); }
.m3u8-files > div > i { display: grid; place-items: center; width: 30px; height: 30px; color: #7d8b95; font: normal 13px var(--display); }
.m3u8-files p { min-width: 0; margin: 0; }
.m3u8-files b, .m3u8-files small { display: block; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.m3u8-files b { color: var(--soft); font-size: 9px; font-weight: 500; }
.m3u8-files small { margin-top: 3px; color: var(--muted); font-size: 7.5px; }
.m3u8-files .m3u8-file { margin: 4px 0; padding: 0 8px; border: 1px solid #5d3733; background: rgb(201 75 64 / 8%); }
.m3u8-files .m3u8-file > i { border: 1px solid var(--accent); color: var(--accent); font: normal 6.5px var(--mono); }
.m3u8-files .m3u8-file b { color: var(--strong); }
.m3u8-files .m3u8-file em { color: var(--accent); font: normal 7px var(--display); }
.m3u8-preview { margin: 12px 16px 16px; padding: 12px 14px; border-left: 2px solid var(--accent); background: #0c1217; }
.m3u8-preview small { color: var(--accent); font: 7px var(--display); letter-spacing: .12em; }
.m3u8-preview code { display: block; margin-top: 8px; color: var(--text); font: 8.5px/2 var(--mono); }
.m3u8-preview code span { margin-right: 6px; color: var(--muted); }
.restore-demo { min-height: 330px; overflow: hidden; }
.restore-bar { display: flex; align-items: flex-end; justify-content: space-between; gap: 10px; padding-right: 14px; border-bottom: 1px solid var(--line); }
.restore-bar .status-tabs { border-bottom: 0; }
.restore-bar button { flex: 0 0 auto; margin-bottom: 7px; padding: 7px 10px; border: 1px solid var(--accent); background: rgb(201 75 64 / 10%); color: var(--strong); font: 600 7.5px var(--display); letter-spacing: .06em; }
.restore-rows { padding: 6px 17px; opacity: .3; }
.restore-rows > div { display: grid; grid-template-columns: 30px 110px 1fr; align-items: center; height: 46px; border-bottom: 1px solid var(--line-soft); font-size: 9px; }
.restore-rows span { color: var(--muted); font: 8px var(--mono); }
.restore-rows p { margin: 0; color: var(--soft); font-size: 9px; }
.restore-dialog { position: absolute; left: 50%; top: 60%; width: 74%; padding: 18px 20px; border: 1px solid #3b4852; background: #172027; box-shadow: 0 18px 40px #000a; transform: translate(-50%, -50%); }
.restore-dialog > b { display: block; color: var(--strong); font: 600 12px var(--display); }
.restore-dialog p { margin: 8px 0 14px; color: var(--soft); font-size: 9.5px; line-height: 1.5; }
.restore-dialog div { display: flex; justify-content: flex-end; gap: 8px; }
.restore-dialog button { padding: 8px 12px; border: 1px solid #3b4852; background: transparent; color: var(--soft); font: 600 7.5px var(--display); }
.restore-dialog button:last-child { border-color: var(--accent); background: var(--accent); color: #071013; }
.guide-scene.active .restore-dialog { animation: dialog-in .45s var(--ease) 1.3s both; }

/* Decks */
.decks-shell-demo { display: grid; grid-template-columns: 160px 1fr; min-height: 330px; }
.decks-shell-demo > aside { display: flex; flex-direction: column; padding: 16px 14px; border-right: 1px solid var(--line); background: #121920; }
.decks-shell-demo aside > b { color: var(--text); font: 700 9px var(--display); letter-spacing: .08em; }
.decks-shell-demo aside > b i { color: var(--accent); font-style: normal; }
.decks-shell-demo aside button { margin-top: 16px; padding: 9px; border: 1px solid #2d6870; background: transparent; color: var(--accent); font: 600 7.5px var(--display); }
.decks-shell-demo aside .decks-button { display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: 7px; border-color: #3b4852; color: var(--soft); }
.decks-shell-demo aside > span { margin-top: 20px; color: var(--muted); font: 7px var(--display); letter-spacing: .11em; }
.decks-shell-demo aside > small { margin-top: 9px; padding: 7px 8px; background: #1a2229; color: var(--text); font-size: 8.5px; }
.decks-shell-demo main { display: flex; flex-direction: column; min-width: 0; }
.mini-decks { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; border-bottom: 1px solid var(--line); background: var(--line); }
.mini-deck { position: relative; display: grid; grid-template-columns: 22px minmax(0, 1fr); align-items: center; gap: 8px 9px; padding: 11px 12px 13px; background: #0e1419; }
.mini-deck > span { display: grid; place-items: center; height: 20px; background: #2a353d; color: var(--text); font: 700 9px var(--display); }
.mini-deck p { min-width: 0; margin: 0; }
.mini-deck b, .mini-deck small { display: block; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.mini-deck b { color: var(--soft); font: 500 8.5px var(--display); }
.mini-deck small { margin-top: 3px; color: var(--muted); font-size: 7px; }
.mini-seek { grid-column: 1 / -1; height: 3px; background: #27343c; }
.mini-rows { padding: 6px 14px; }
.mini-rows > div { display: grid; grid-template-columns: 26px 90px 1fr; align-items: center; height: 40px; border-bottom: 1px solid var(--line-soft); font-size: 8.5px; }
.mini-rows span { color: var(--muted); font: 7.5px var(--mono); }
.mini-rows b { color: var(--text); font-weight: 600; }
.mini-rows p { margin: 0; color: var(--soft); font-size: 8.5px; }
.decks-pointer { left: 45%; top: 60%; }
.guide-scene.active .decks-pointer { animation: decks-pointer 1.3s var(--ease) .5s both; }
.guide-scene.active .decks-button { animation: decks-button-on .2s linear 1.9s both; }
.guide-scene.active .decks-shell-demo .mini-decks { animation: reveal-down .55s var(--ease) 2s both; }
.deck-load-demo { padding-bottom: 8px; }
.deck-load-demo .drop-ok { outline: 1px dashed var(--accent); outline-offset: -4px; }
.mini-deck > em { position: absolute; z-index: 2; inset: 3px; display: grid; place-items: center; border: 2px solid var(--accent); background: rgb(12 10 10 / 93%); color: var(--accent); font: normal 600 8px var(--display); letter-spacing: .05em; opacity: 0; }
.guide-scene.active .deck-load-demo .mini-deck > em { animation: fade-in .3s ease 2.3s forwards; }
.deck-letter { padding: 1px 5px; background: #2a353d; color: var(--text) !important; font: normal 700 7px var(--display) !important; }
.deck-ghost { left: 156px; top: 34px; }
.deck-drag-pointer { left: 142px; top: 22px; }
.guide-scene.active .deck-ghost { animation: deck-drag 2s var(--ease) .8s forwards; }
.guide-scene.active .deck-drag-pointer { animation: deck-drag-pointer 2s var(--ease) .8s forwards; }
.deck-mix-demo { display: grid; gap: 1px; background: var(--line); }
.mix-deck { display: grid; gap: 11px; padding: 17px 18px; background: #0e1419; }
.mix-head { display: grid; grid-template-columns: 24px 30px minmax(0, 1fr) auto; align-items: center; gap: 10px; }
.mix-head > span { display: grid; place-items: center; height: 22px; background: var(--accent); color: #071013; font: 700 10px var(--display); }
.mix-play { display: grid; place-items: center; height: 26px; background: var(--accent); color: #071013; font: normal 8px var(--display); }
.mix-head p { min-width: 0; margin: 0; }
.mix-head b, .mix-head small { display: block; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.mix-head b { color: var(--strong); font: 600 10px var(--display); }
.mix-head small { margin-top: 3px; color: var(--muted); font-size: 8px; }
.mix-head em { color: var(--soft); font: normal 8px var(--mono); }
.mix-seek { display: block; height: 4px; background: #27343c; }
.mix-seek b { display: block; height: 100%; background: var(--accent); }
.mix-seek.late b { width: 79%; }
.mix-seek.early b { width: 7%; }
.mix-faders { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.mix-faders label { display: flex; align-items: center; gap: 8px; color: var(--muted); font: 600 7.5px var(--display); letter-spacing: .08em; }
.mix-faders em { min-width: 34px; color: var(--text); font: normal 8px var(--mono); letter-spacing: 0; }
.fader { position: relative; display: block; width: 110px; height: 3px; background: #27343c; }
.fader b { position: absolute; left: 50%; top: 50%; width: 11px; height: 11px; border-radius: 50%; background: var(--accent); transform: translate(-50%, -50%); }
.fader.vol-down b { left: 55%; }
.fader.vol-up b { left: 100%; }
.fader.tempo-up b { left: 57.5%; }
.guide-scene.active .fader.vol-down b { animation: fader-down 2.6s var(--ease) .9s both; }
.guide-scene.active .fader.vol-up b { animation: fader-up 2.6s var(--ease) .9s both; }
.deck-keys-demo { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); }
.keys-col { display: grid; align-content: start; gap: 8px; padding: 18px; background: #0e1419; }
.keys-col > small { color: var(--accent); font: 600 8px var(--display); letter-spacing: .14em; }
.keys-col.deck-b > small { color: var(--warn); }
.keys-col > div { display: flex; align-items: center; gap: 6px; min-height: 44px; }
.keys-col kbd, .keys-shift kbd { display: grid; place-items: center; min-width: 32px; height: 30px; padding: 0 7px; border: 1px solid #40505b; border-bottom-width: 3px; background: #121a20; color: var(--accent); font: 600 10px var(--display); }
.keys-col.deck-b kbd { color: var(--warn); }
.keys-col span { margin-left: 6px; color: var(--soft); font-size: 9px; }
.keys-shift { grid-column: 1 / -1; display: flex; align-items: center; gap: 12px; padding: 14px 18px; background: #0c1217; }
.keys-shift kbd { color: var(--text); }
.keys-shift span { color: var(--soft); font-size: 9px; }

@keyframes order-drag { 0% { opacity: 0; transform: translateY(0); } 15% { opacity: 1; transform: translateY(0); } 100% { opacity: 1; transform: translateY(-80px); } }
@keyframes order-drag-pointer { 0% { opacity: 0; transform: translateY(0) rotate(-18deg); } 15% { opacity: 1; transform: translateY(0) rotate(-18deg); } 100% { opacity: 1; transform: translateY(-80px) rotate(-18deg); } }
@keyframes deck-drag { 0% { opacity: 0; transform: translate(0, 0); } 15% { opacity: 1; transform: translate(0, 0); } 100% { opacity: 1; transform: translate(-60px, -40px); } }
@keyframes deck-drag-pointer { 0% { opacity: 0; transform: translate(0, 0) rotate(-18deg); } 15% { opacity: 1; transform: translate(0, 0) rotate(-18deg); } 100% { opacity: 1; transform: translate(-60px, -40px) rotate(-18deg); } }
@keyframes dialog-in { from { opacity: 0; transform: translate(-50%, -44%); } to { opacity: 1; transform: translate(-50%, -50%); } }
@keyframes decks-pointer { 0% { opacity: 0; left: 45%; top: 60%; } 25% { opacity: 1; } 100% { opacity: 1; left: 14%; top: 30%; } }
@keyframes decks-button-on { to { border-color: var(--accent); color: var(--accent); } }
@keyframes reveal-down { from { opacity: 0; transform: translateY(-12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fader-down { from { left: 100%; } to { left: 55%; } }
@keyframes fader-up { from { left: 40%; } to { left: 100%; } }
@keyframes file-arrive { from { opacity: 0; transform: translateX(-35px); } to { opacity: 1; transform: translateX(0); } }
@keyframes click-pulse { 0% { opacity: 0; transform: scale(.4); } 35% { opacity: 1; } 100% { opacity: 0; transform: scale(1.5); } }
@keyframes blink { 50% { opacity: 0; } }
@keyframes app-pointer { 0% { opacity: 0; left: 45%; top: 52%; } 20% { opacity: 1; } 75%, 100% { opacity: 1; left: 9%; top: 19%; } }
@keyframes correction { 0%, 45% { opacity: 0; } 46%, 100% { opacity: 1; } }
@keyframes search-progress { to { width: 78%; } }
@keyframes download-fill { from { width: 20%; } to { width: 100%; } }
@keyframes finish-ring { 0% { opacity: 0; transform: scale(.55); } 35% { opacity: .65; } 100% { opacity: 0; transform: scale(1.35); } }
@keyframes ocr-scan { 0%, 100% { transform: translateY(0); opacity: .35; } 50% { transform: translateY(235px); opacity: 1; } }
@keyframes ocr-install { from { width: 35%; } to { width: 92%; } }

@media (max-width: 1220px) {
  .guide-scene { grid-template-columns: minmax(300px, .72fr) minmax(450px, 1.28fr); gap: 4%; padding-left: 4%; padding-right: 4%; }
  .guide-scene.visual-left { grid-template-columns: minmax(450px, 1.28fr) minmax(300px, .72fr); }
  .guide-copy h2 { font-size: clamp(36px, 4vw, 52px); }
  .file-area { height: 300px; padding-inline: 28px; }
  .branch-board { min-height: 360px; }
  .browser-demo { width: 92%; }
  .status-tabs span { padding-inline: 8px; }
}

@media (max-height: 800px) {
  .lesson { grid-template-rows: 68px minmax(0, 1fr) 92px; }
  .lesson-header { padding-inline: 28px; }
  .guide-scene { padding-top: 2.5%; padding-bottom: 5%; }
  .scene-choice { padding-top: 2%; padding-bottom: 4%; }
  .guide-copy h2 { margin-block: 10px 14px; font-size: clamp(34px, 4.2vw, 52px); }
  .guide-copy > p { font-size: 12.5px; line-height: 1.5; }
  .callout, .mini-steps, .key-hint, .success-line { margin-top: 15px; }
  .desktop-demo, .settings-window, .terminal-demo, .nicotine-full-demo, .app-shell-demo,
  .dropzone-demo, .editor-demo, .playlist-created-demo, .search-ready-demo, .tabs-demo,
  .download-choice-demo, .progress-demo, .file-result-demo, .player-settings-demo, .play-all-demo,
  .ocr-intro-demo, .image-quality-demo, .ocr-upload-demo, .ocr-install-demo,
  .ocr-processing-demo, .ocr-editor-demo, .reorder-demo, .m3u8-demo, .restore-demo,
  .decks-shell-demo, .deck-load-demo, .deck-mix-demo, .deck-keys-demo { max-height: 390px; }
  .chapter { min-height: 50px; padding-block: 6px; }
  .rail-heading { padding: 16px 22px 12px; }
  .file-area, .explorer-list { height: 285px; min-height: 0; }
  .settings-content { min-height: 300px; }
  .nicotine-full-demo { min-height: 350px; }
  .preferences-window { min-height: 365px; }
  .preferences-body { min-height: 320px; }
  .browser-page { min-height: 230px; }
  .app-shell-demo { min-height: 350px; }
  .scene-caption { bottom: 17px; }
  .finish-halo { width: 70px; height: 70px; margin-bottom: 8px; }
  .finish-halo > span { width: 44px; height: 44px; }
  .finish-scene h2 { font-size: clamp(38px, 4.5vw, 58px); }
  .finish-summary { margin-top: 16px; }
}

html[data-text-size="xlarge"] .scene-choice { padding-top: 1%; padding-bottom: 1.8%; }
html[data-text-size="xlarge"] .scene-choice .feature-list { gap: 3px; margin-top: 12px; }
html[data-text-size="xlarge"] .scene-choice .feature-list li { padding: 4px 0; }