@font-face {
  font-family: "Director Display";
  src: local("Impact");
}

:root {
  color-scheme: dark;
  --black: #020407;
  --deep: #071018;
  --bone: #f4efe2;
  --muted: rgba(244, 239, 226, 0.66);
  --edge: rgba(244, 239, 226, 0.16);
  --cyan: #70efff;
  --amber: #ffb14a;
  --red: #ff4d3d;
  --green: #81f5a6;
  --violet: #b889ff;
  --ui: rgba(3, 8, 12, 0.72);
  font-family: "Microsoft YaHei UI", "PingFang SC", "Heiti SC", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  overflow-x: hidden;
  background: var(--black);
  color: var(--bone);
}

body {
  background:
    radial-gradient(circle at 10% 0%, rgba(112, 239, 255, 0.18), transparent 34rem),
    radial-gradient(circle at 92% 12%, rgba(255, 77, 61, 0.16), transparent 28rem),
    radial-gradient(circle at 50% 100%, rgba(255, 177, 74, 0.12), transparent 32rem),
    linear-gradient(135deg, #020407 0%, #071018 48%, #020407 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  opacity: 0.22;
  mix-blend-mode: soft-light;
  background:
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.06) 0 1px, transparent 1px 4px),
    repeating-radial-gradient(circle at 25% 18%, rgba(255, 255, 255, 0.18) 0 1px, transparent 1px 5px);
}

button,
input {
  font: inherit;
}

.director-shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: clamp(12px, 1.6vw, 22px);
  padding: clamp(12px, 2vw, 26px);
}

.stage-shell {
  min-height: 0;
  display: grid;
  place-items: center;
}

.stage-frame {
  position: relative;
  width: min(100%, calc((100vh - 182px) * 16 / 9));
  aspect-ratio: 16 / 9;
  min-height: 320px;
  border: 1px solid var(--edge);
  border-radius: 10px;
  overflow: hidden;
  background: #03070b;
  box-shadow:
    0 34px 140px rgba(0, 0, 0, 0.62),
    0 0 0 1px rgba(112, 239, 255, 0.08),
    inset 0 0 80px rgba(112, 239, 255, 0.06);
}

#director-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.stage-vignette,
.scanline {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.stage-vignette {
  background:
    radial-gradient(circle at 48% 42%, transparent 0 42%, rgba(0, 0, 0, 0.28) 64%, rgba(0, 0, 0, 0.72) 100%),
    linear-gradient(90deg, rgba(112, 239, 255, 0.08), transparent 18%, transparent 82%, rgba(255, 77, 61, 0.1));
}

.scanline {
  opacity: 0.18;
  background: repeating-linear-gradient(0deg, transparent 0 6px, rgba(244, 239, 226, 0.15) 6px 7px);
}

.visual-safe-zone {
  position: absolute;
  left: clamp(330px, 35%, 430px);
  right: clamp(18px, 3vw, 42px);
  top: clamp(82px, 12vh, 112px);
  bottom: clamp(92px, 15vh, 126px);
  z-index: 2;
  pointer-events: none;
  border: 1px solid rgba(112, 239, 255, 0.12);
  background:
    linear-gradient(90deg, rgba(112, 239, 255, 0.03), transparent 36%),
    radial-gradient(circle at 45% 48%, rgba(112, 239, 255, 0.08), transparent 23rem);
}

.lesson-panel {
  position: absolute;
  left: clamp(18px, 3vw, 42px);
  top: clamp(18px, 3vw, 40px);
  bottom: clamp(104px, 18vh, 136px);
  z-index: 8;
  display: grid;
  align-content: start;
  width: clamp(260px, 31%, 360px);
  padding: clamp(14px, 2vw, 22px);
  border-left: 5px solid var(--cyan);
  border-top: 1px solid rgba(112, 239, 255, 0.28);
  background:
    linear-gradient(135deg, rgba(2, 4, 7, 0.96), rgba(5, 16, 24, 0.9)),
    radial-gradient(circle at 12% 18%, rgba(112, 239, 255, 0.16), transparent 15rem);
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.38),
    inset 0 0 0 1px rgba(244, 239, 226, 0.06);
  pointer-events: none;
  isolation: isolate;
}

.eyebrow {
  width: max-content;
  margin: 0 0 11px;
  padding: 7px 10px;
  color: #010305;
  background: linear-gradient(90deg, var(--cyan), var(--green));
  font: 950 clamp(0.64rem, 1vw, 0.88rem) / 1 "Director Display", "Microsoft YaHei UI", sans-serif;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font: 950 clamp(1.85rem, 3.2vw, 3.4rem) / 0.94 "Director Display", "Microsoft YaHei UI", sans-serif;
  letter-spacing: 0;
  text-shadow:
    0 3px 0 rgba(2, 4, 7, 0.86),
    0 0 18px rgba(2, 4, 7, 0.9),
    6px 6px 0 rgba(255, 77, 61, 0.2);
}

.subtitle {
  margin: 12px 0 0;
  padding: 9px 0 0;
  border-top: 1px solid rgba(244, 239, 226, 0.14);
  color: rgba(244, 239, 226, 0.94);
  background: transparent;
  font: 800 clamp(0.82rem, 1.1vw, 1rem) / 1.55 "Microsoft YaHei UI", sans-serif;
  text-shadow: 0 1px 10px #020407;
}

.lesson-card {
  display: grid;
  gap: 8px;
  margin-top: clamp(12px, 2vh, 18px);
  padding-top: clamp(10px, 1.5vh, 14px);
  border-top: 1px solid rgba(112, 239, 255, 0.24);
}

.lesson-card span {
  width: max-content;
  padding: 5px 8px;
  color: #020407;
  background: var(--amber);
  font: 950 0.72rem / 1 "Director Display", monospace;
  letter-spacing: 0.12em;
}

.lesson-card strong {
  color: var(--bone);
  font: 900 clamp(1rem, 1.35vw, 1.22rem) / 1.35 "Microsoft YaHei UI", sans-serif;
}

.lesson-card p {
  margin: 0;
  color: rgba(244, 239, 226, 0.76);
  font: 760 clamp(0.76rem, 1vw, 0.92rem) / 1.62 "Microsoft YaHei UI", sans-serif;
}

.caption-rail {
  position: absolute;
  left: clamp(30px, 11vw, 160px);
  right: clamp(18px, 3vw, 48px);
  bottom: clamp(16px, 3vw, 34px);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px;
  align-items: end;
  color: var(--bone);
}

#captionTime {
  color: var(--cyan);
  font: 950 clamp(1.1rem, 2.2vw, 2rem) / 1 "Director Display", monospace;
  letter-spacing: 0.08em;
}

#captionText {
  margin: 0;
  max-width: 980px;
  padding: 15px 18px;
  border-left: 5px solid var(--amber);
  background: rgba(2, 4, 7, 0.82);
  color: rgba(244, 239, 226, 0.98);
  backdrop-filter: blur(16px);
  font: 850 clamp(1rem, 1.8vw, 1.52rem) / 1.55 "Microsoft YaHei UI", sans-serif;
  text-shadow: 0 1px 10px #020407;
}

.diagnostic-strip {
  position: absolute;
  left: clamp(330px, 35%, 430px);
  right: clamp(20px, 3vw, 48px);
  top: clamp(12px, 2vw, 24px);
  z-index: 7;
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 4px;
  pointer-events: none;
  color: var(--bone);
  text-align: center;
}

.process-strip {
  position: absolute;
  left: clamp(330px, 35%, 430px);
  right: clamp(220px, 24vw, 320px);
  bottom: clamp(88px, 15vh, 114px);
  z-index: 6;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  pointer-events: none;
}

.process-card {
  min-height: 34px;
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  gap: 6px;
  align-items: center;
  padding: 7px 9px;
  border-left: 3px solid rgba(255, 177, 74, 0.72);
  border-top: 1px solid rgba(244, 239, 226, 0.13);
  color: rgba(244, 239, 226, 0.92);
  background:
    linear-gradient(90deg, rgba(255, 177, 74, 0.14), rgba(2, 4, 7, 0.78)),
    rgba(2, 4, 7, 0.7);
  box-shadow:
    0 12px 26px rgba(0, 0, 0, 0.26),
    inset 0 0 0 1px rgba(244, 239, 226, 0.05);
  font: 850 clamp(0.62rem, 0.9vw, 0.82rem) / 1 "Microsoft YaHei UI", sans-serif;
  white-space: nowrap;
  overflow: hidden;
}

.process-card b,
.process-card i,
.process-card em {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.process-card b {
  color: var(--amber);
  font: 950 0.68rem / 1 "Director Display", monospace;
  letter-spacing: 0.12em;
}

.process-card i {
  color: var(--cyan);
  font: 950 0.82rem / 1 "Director Display", monospace;
  font-style: normal;
}

.process-card em {
  color: rgba(244, 239, 226, 0.96);
  font-style: normal;
  text-shadow: 0 1px 8px #020407;
}

.diagnostic-step {
  position: relative;
  min-width: 0;
  min-height: 34px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px;
  align-items: center;
  padding: 7px 7px 7px 8px;
  border: 1px solid rgba(244, 239, 226, 0.12);
  background:
    linear-gradient(90deg, rgba(112, 239, 255, 0.06), rgba(2, 4, 7, 0.74)),
    rgba(2, 4, 7, 0.82);
  box-shadow:
    inset 0 0 0 1px rgba(244, 239, 226, 0.06),
    0 12px 32px rgba(0, 0, 0, 0.26);
  color: rgba(244, 239, 226, 0.28);
  font: 900 clamp(0.54rem, 0.82vw, 0.72rem) / 1 "Microsoft YaHei UI", sans-serif;
  letter-spacing: 0;
  white-space: nowrap;
  overflow: hidden;
  text-shadow: 0 1px 9px #020407;
  transition:
    border-color 240ms ease,
    background 240ms ease,
    box-shadow 240ms ease,
    color 240ms ease,
    opacity 240ms ease;
}

.diagnostic-step::after {
  content: "";
  position: absolute;
  left: 12%;
  right: 12%;
  bottom: -5px;
  height: 2px;
  background: rgba(244, 239, 226, 0.12);
  box-shadow: 0 0 0 transparent;
}

.diagnostic-step i,
.diagnostic-step b {
  min-width: 0;
  overflow: hidden;
  font-style: normal;
  text-overflow: ellipsis;
}

.diagnostic-step i {
  color: currentColor;
  font: 950 0.62rem / 1 "Director Display", monospace;
  opacity: 0.9;
}

.diagnostic-step b {
  font: 950 clamp(0.58rem, 0.86vw, 0.78rem) / 1 "Microsoft YaHei UI", sans-serif;
}

.diagnostic-step.is-before {
  border-color: rgba(129, 245, 166, 0.42);
  background:
    linear-gradient(90deg, rgba(129, 245, 166, 0.16), rgba(2, 4, 7, 0.72)),
    rgba(2, 4, 7, 0.82);
  color: rgba(129, 245, 166, 0.76);
}

.diagnostic-step.is-before::after {
  background: rgba(129, 245, 166, 0.62);
  box-shadow: 0 0 12px rgba(129, 245, 166, 0.38);
}

.diagnostic-step.is-active {
  border-color: var(--amber);
  background:
    linear-gradient(135deg, var(--cyan), var(--green));
  color: #020407;
  box-shadow:
    0 0 0 1px rgba(255, 177, 74, 0.62),
    0 0 24px rgba(112, 239, 255, 0.42),
    0 18px 36px rgba(0, 0, 0, 0.34);
  text-shadow: none;
}

.diagnostic-step.is-active::after {
  left: 0;
  right: 0;
  bottom: -6px;
  height: 3px;
  background: var(--amber);
  box-shadow:
    0 0 14px rgba(255, 177, 74, 0.82),
    0 0 32px rgba(112, 239, 255, 0.5);
}

.diagnostic-step.is-after {
  opacity: 0.62;
}

.director-slate {
  position: absolute;
  right: clamp(18px, 3vw, 54px);
  bottom: clamp(124px, 17vh, 220px);
  display: grid;
  gap: 7px;
  justify-items: end;
  pointer-events: none;
  color: var(--bone);
  text-align: right;
  text-transform: uppercase;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}

.shot-code,
.lens-telemetry,
.exposure-telemetry {
  width: max-content;
  max-width: min(38vw, 360px);
  padding: 7px 10px;
  border-right: 3px solid var(--amber);
  background: rgba(2, 4, 7, 0.92);
  overflow-wrap: anywhere;
  text-shadow: none;
}

.shot-code {
  color: #020407;
  background: var(--amber);
  font: 950 clamp(0.72rem, 1vw, 0.9rem) / 1 "Director Display", monospace;
  letter-spacing: 0.16em;
}

.lens-telemetry {
  color: var(--cyan);
  font: 950 clamp(0.72rem, 1.05vw, 0.95rem) / 1 "Director Display", monospace;
  letter-spacing: 0.14em;
}

.exposure-telemetry {
  color: rgba(244, 239, 226, 0.9);
  font: 850 clamp(0.62rem, 0.9vw, 0.78rem) / 1.25 monospace;
  letter-spacing: 0.08em;
}

.recording-badge {
  position: absolute;
  right: 4.5vw;
  bottom: 5vh;
  display: none;
  align-items: center;
  gap: 9px;
  color: var(--bone);
  font: 950 clamp(0.78rem, 1.1vw, 1rem) / 1 "Director Display", monospace;
  letter-spacing: 0.16em;
  text-shadow: 0 0 14px rgba(255, 77, 61, 0.6);
}

.recording-badge::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 18px var(--red);
}

.recording-countdown {
  position: absolute;
  inset: 0;
  z-index: 18;
  display: none;
  place-items: center;
  color: var(--bone);
  background: radial-gradient(circle at 50% 50%, rgba(2, 4, 7, 0.28), rgba(2, 4, 7, 0.78));
  font: 950 clamp(5rem, 18vw, 16rem) / 1 "Director Display", sans-serif;
  letter-spacing: 0;
  text-shadow:
    0 0 32px rgba(112, 239, 255, 0.62),
    0 0 100px rgba(255, 77, 61, 0.36);
}

.recording-countdown.is-visible {
  display: grid;
}

.fallback-storyboard {
  position: absolute;
  inset: 24px;
  display: none;
  place-content: center;
  gap: 12px;
  padding: 32px;
  background:
    radial-gradient(circle at 50% 30%, rgba(112, 239, 255, 0.16), transparent 22rem),
    rgba(2, 4, 7, 0.92);
  text-align: center;
  z-index: 20;
}

.fallback-storyboard.is-visible {
  display: grid;
}

.fallback-storyboard strong {
  font: 950 clamp(2.4rem, 6vw, 6rem) / 0.9 "Director Display", sans-serif;
}

.fallback-storyboard ol {
  margin: 0 auto;
  padding-left: 1.3em;
  max-width: 680px;
  text-align: left;
  color: var(--muted);
}

.control-deck {
  display: grid;
  gap: 12px;
  width: min(1180px, 100%);
  justify-self: center;
  padding: 12px;
  border: 1px solid var(--edge);
  border-radius: 10px;
  background: var(--ui);
  backdrop-filter: blur(22px);
}

.primary-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.primary-controls button,
.chapter-button {
  min-height: 42px;
  border: 1px solid rgba(244, 239, 226, 0.2);
  border-radius: 0;
  padding: 0 14px;
  color: var(--bone);
  background: rgba(244, 239, 226, 0.065);
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, color 160ms ease;
}

.primary-controls button:hover,
.chapter-button:hover,
.chapter-button.is-active {
  transform: translateY(-2px);
  border-color: var(--cyan);
  color: #020407;
  background: var(--cyan);
}

.scrubber-wrap {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  color: var(--muted);
  font: 900 0.82rem / 1 monospace;
}

.shortcut-hint {
  margin: -2px 0 0;
  color: rgba(244, 239, 226, 0.52);
  font: 800 0.76rem / 1.4 "Microsoft YaHei UI", sans-serif;
  letter-spacing: 0.04em;
}

#timelineScrubber {
  width: 100%;
  accent-color: var(--amber);
}

.chapters {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 8px;
}

.chapter-button {
  display: grid;
  min-height: 54px;
  align-content: center;
  gap: 4px;
  text-align: left;
}

.chapter-button span {
  color: currentColor;
  font: 950 0.72rem / 1 "Director Display", monospace;
  opacity: 0.78;
}

.chapter-button b {
  font-size: 0.9rem;
}

body.recording {
  cursor: none;
  background: #000;
}

body.recording .director-shell {
  padding: 0;
  min-height: 100vh;
  grid-template-rows: 1fr;
}

body.recording .control-deck,
body.recording .shortcut-hint {
  display: none;
}

body.recording .stage-frame {
  width: min(100vw, 177.777vh);
  max-height: 100vh;
  border: 0;
  border-radius: 0;
}

body.recording .lesson-panel {
  top: 8vh;
  left: 5vw;
  bottom: 18vh;
}

body.recording .diagnostic-strip {
  top: 3.5vh;
  left: 5vw;
  right: 5vw;
}

body.recording .visual-safe-zone {
  left: 34vw;
  right: 5vw;
}

body.recording .process-strip {
  left: 34vw;
  right: clamp(260px, 28vw, 420px);
}

body.recording .process-strip {
  bottom: 16vh;
}

body.recording .caption-rail {
  bottom: 5vh;
}

body.recording .director-slate {
  right: 5vw;
  bottom: 19vh;
}

body.recording .recording-badge {
  display: inline-flex;
}

@media (max-width: 860px) {
  .director-shell {
    grid-template-rows: auto auto;
  }

  .stage-frame {
    width: 100%;
    min-height: 220px;
  }

  .lesson-panel {
    width: min(330px, 42%);
    bottom: 114px;
  }

  .visual-safe-zone,
  .diagnostic-strip,
  .process-strip {
    left: min(370px, 46%);
  }

  .process-strip {
    right: 190px;
    bottom: 112px;
    gap: 4px;
  }

  .process-card {
    padding: 6px 7px;
    gap: 4px;
    font-size: 0.68rem;
  }

  .diagnostic-strip {
    justify-content: flex-start;
    top: auto;
    bottom: 88px;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .director-slate {
    right: 16px;
    bottom: 94px;
  }

  .chapters {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .director-shell {
    padding: 8px;
  }

  .stage-frame {
    min-height: 300px;
  }

  .lesson-panel {
    width: calc(100% - 32px);
    left: 16px;
    top: 16px;
    bottom: auto;
    padding: 12px;
  }

  h1 {
    font-size: clamp(1.85rem, 12vw, 3.2rem);
  }

  .subtitle {
    font-size: 0.9rem;
  }

  .caption-rail {
    grid-template-columns: 1fr;
    gap: 8px;
    left: 14px;
    right: 14px;
    bottom: 14px;
  }

  #captionText {
    font-size: 0.92rem;
  }

  .director-slate {
    display: none;
  }

  .diagnostic-strip {
    display: none;
  }

  .visual-safe-zone,
  .process-strip {
    display: none;
  }

  .chapters {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}