@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700&family=Noto+Serif+SC:wght@600;700;900&display=swap");

:root {
  color-scheme: dark;

  --bg: #050610;
  --surface: #0c0e1a;
  --surface-alt: #121525;
  --surface-hover: #171b2e;
  --overlay: #101321;
  --hero-bg: #03040c;
  --lightfall-blue: #a6c8ff;
  --lightfall-violet: #7957ff;
  --lightfall-pink: #ff9fdc;

  --border: #2a2f45;
  --border-strong: #4a5272;
  --border-soft: #1c2031;

  --text: #f4f5fb;
  --text-secondary: #a8aec3;
  --text-tertiary: #747b94;
  --text-inverse: #080914;

  --accent: #8ca7ff;
  --accent-hover: #b6c5ff;
  --accent-soft: #202a55;
  --today: #ff9fb7;

  --series-gpt: #8fc9ff;
  --series-claude: #f2a6c8;
  --series-gemini: #b6a6ff;
  --series-llama: #75d8ff;
  --series-deepseek: #7f9cff;
  --series-qwen: #d58dff;
  --series-grok: #c5cad8;
  --series-doubao: #7eb4ff;
  --series-kimi: #d4d9e7;
  --series-minimax: #ff9fc8;
  --series-chatglm: #70d5c5;
  --series-hunyuan: #f0b06e;

  --success: #72dbbd;
  --warning: #e7bf72;
  --error: #ff879d;

  --bg-rgb: 5, 6, 16;
  --surface-rgb: 12, 14, 26;
  --text-rgb: 244, 245, 251;
  --accent-rgb: 140, 167, 255;
  --shadow-rgb: 0, 0, 0;

  --series-gpt-rgb: 143, 201, 255;
  --series-claude-rgb: 242, 166, 200;
  --series-gemini-rgb: 182, 166, 255;
  --series-llama-rgb: 117, 216, 255;
  --series-deepseek-rgb: 127, 156, 255;
  --series-qwen-rgb: 213, 141, 255;
  --series-grok-rgb: 197, 202, 216;
  --series-doubao-rgb: 126, 180, 255;
  --series-kimi-rgb: 212, 217, 231;
  --series-minimax-rgb: 255, 159, 200;
  --series-chatglm-rgb: 112, 213, 197;
  --series-hunyuan-rgb: 240, 176, 110;

  --print-bg: #ffffff;
  --print-surface-alt: #f4f4f4;
  --print-surface-hover: #eeeeee;
  --print-border: #aaaaaa;
  --print-border-strong: #777777;
  --print-border-soft: #dddddd;
  --print-text: #111111;
  --print-text-secondary: #444444;
  --print-text-tertiary: #666666;

  --font-serif: "Noto Serif SC", "Songti SC", STSong, Georgia, serif;
  --font-sans: "Noto Sans SC", "Microsoft YaHei", Inter, system-ui, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;

  --page-gutter: clamp(24px, 4.4vw, 72px);
  --label-column: 136px;
  --control-height: 116px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 22px;
  --radius-pill: 999px;

  --shadow-hairline: 0 1px 0 rgba(var(--text-rgb), 0.035);
  --shadow-subtle: 0 18px 50px rgba(var(--shadow-rgb), 0.24);
  --shadow-raised: 0 22px 70px rgba(var(--shadow-rgb), 0.36);
  --shadow-popover: 0 28px 90px rgba(var(--shadow-rgb), 0.56);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background: var(--bg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0.02em;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

button,
a,
input,
select {
  font: inherit;
}

button {
  letter-spacing: inherit;
}

a {
  color: inherit;
}

svg {
  display: block;
}

[hidden] {
  display: none !important;
}

::selection {
  color: var(--text);
  background: var(--accent-soft);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

[id] {
  scroll-margin-top: calc(var(--control-height) + 24px);
}

.page-shell {
  width: min(100%, 1680px);
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.page-grain {
  position: fixed;
  z-index: 0;
  inset: -20px;
  pointer-events: none;
  opacity: 0.72;
  background-image:
    radial-gradient(circle, rgba(var(--accent-rgb), 0.32) 0 1px, transparent 1.3px),
    repeating-linear-gradient(112deg, transparent 0 52px, rgba(var(--text-rgb), 0.01) 52px 53px);
  background-position: 0 0, 0 0;
  background-size: 20px 20px, 140px 140px;
  will-change: transform;
}

.page-grain.is-dot-field-ready {
  background-image: repeating-linear-gradient(112deg, transparent 0 52px, rgba(var(--text-rgb), 0.01) 52px 53px);
  background-size: 140px 140px;
}

.dot-field-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

body > *:not(.page-grain, .scroll-progress, .timeline-tooltip) {
  position: relative;
  z-index: 1;
}

.scroll-progress {
  position: fixed;
  z-index: 120;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  pointer-events: none;
}

.scroll-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
}

.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-link {
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 5px;
  transition: color 180ms ease, text-decoration-color 180ms ease;
}

.text-link:hover {
  color: var(--accent-hover);
  text-decoration-color: currentColor;
}

.text-link:active {
  color: var(--accent);
}

.text-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 30px;
  padding: 3px 11px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  background: var(--surface-alt);
  font-size: 0.77rem;
  line-height: 1.4;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 4px rgba(var(--accent-rgb), 0.08);
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 600ms ease, transform 600ms var(--ease-out);
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

.site-header {
  position: relative;
  min-height: 100svh;
  padding: 22px 0 76px;
  overflow: hidden;
  border-bottom: 1px solid var(--border-soft);
  isolation: isolate;
  background: var(--hero-bg);
}

.site-header__inner {
  position: relative;
  z-index: 2;
  display: grid;
  min-height: calc(100svh - 98px);
  grid-template-rows: auto 1fr;
  gap: 40px;
}

.lightfall {
  position: absolute;
  z-index: 0;
  inset: 0;
  pointer-events: none;
}

.lightfall::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(180deg, transparent 0 78%, var(--bg) 100%),
    radial-gradient(circle at 50% 42%, transparent 0 44%, rgba(3, 4, 12, 0.3) 100%);
}

.lightfall__canvas,
.lightfall__fallback,
.lightfall__streaks {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.lightfall__canvas {
  z-index: 2;
  display: block;
  opacity: 0;
  transition: opacity 500ms ease;
}

.lightfall__canvas.is-ready {
  opacity: 1;
}

.lightfall__fallback {
  background:
    radial-gradient(ellipse at 50% 8%, rgba(74, 126, 255, 0.7), transparent 28%),
    radial-gradient(ellipse at 78% 52%, rgba(98, 25, 190, 0.38), transparent 46%),
    radial-gradient(ellipse at 28% 72%, rgba(20, 39, 147, 0.28), transparent 42%),
    var(--hero-bg);
}

.lightfall__streaks {
  z-index: 1;
  opacity: 0.58;
  filter: drop-shadow(0 0 5px currentColor);
}

.lightfall.has-webgl .lightfall__streaks {
  opacity: 0;
}

.lightfall__streaks path {
  fill: none;
  stroke: var(--lightfall-blue);
  stroke-width: 1.45;
  stroke-linecap: round;
  stroke-dasharray: 2 18 96 42;
  vector-effect: non-scaling-stroke;
  animation: streak-flow 9s linear infinite;
}

.lightfall__streaks path:nth-child(3n + 2) {
  stroke: var(--lightfall-violet);
  stroke-dasharray: 2 26 124 52;
  animation-duration: 12s;
}

.lightfall__streaks path:nth-child(3n) {
  stroke: var(--lightfall-pink);
  stroke-dasharray: 2 22 78 68;
  animation-duration: 10.5s;
}

.lightfall__streaks path:nth-child(4n) {
  opacity: 0.52;
  animation-delay: -4.8s;
}

@keyframes streak-flow {
  to { stroke-dashoffset: -240; }
}

.topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(100%, 1160px);
  margin-inline: auto;
  padding: 8px 10px 8px 14px;
  border: 1px solid rgba(var(--text-rgb), 0.12);
  border-radius: 14px;
  background: rgba(8, 9, 30, 0.62);
  box-shadow: inset 0 1px 0 rgba(var(--text-rgb), 0.06), 0 18px 60px rgba(var(--shadow-rgb), 0.24);
  backdrop-filter: blur(18px);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
}

.wordmark__mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(var(--text-rgb), 0.3);
  border-radius: 50%;
  font-family: var(--font-serif);
  font-size: 0.72rem;
  letter-spacing: -0.04em;
}

.topnav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-button,
.footer-link {
  min-height: 44px;
  padding: 8px 12px;
  border: 0;
  color: var(--text-secondary);
  background: transparent;
  cursor: pointer;
  font-size: 0.86rem;
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 5px;
  transition: color 180ms ease, text-decoration-color 180ms ease;
}

.nav-button:hover,
.footer-link:hover {
  color: var(--text);
  text-decoration-color: currentColor;
}

.nav-button:active,
.footer-link:active {
  color: var(--accent-hover);
}

.nav-button:focus-visible,
.footer-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.nav-button:disabled,
.footer-link:disabled {
  color: var(--text-tertiary);
  cursor: not-allowed;
  text-decoration: none;
}

.hero-copy {
  align-self: center;
  display: flex;
  max-width: 1240px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 30px;
  margin: 18px auto 0;
  text-align: center;
}

.hero-rotator {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.42em;
  color: var(--text);
  font-size: clamp(1.35rem, 2.5vw, 2.35rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.045em;
  animation: title-enter 720ms var(--ease-out) both;
}

.hero-rotator__prefix {
  padding-block: 0.2em;
}

.rotating-text {
  display: inline-flex;
  width: 9.75ch;
  min-height: 1.42em;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 0.2em 0.46em 0.25em;
  border: 1px solid rgba(var(--accent-rgb), 0.58);
  border-radius: 0.28em;
  background: rgba(var(--accent-rgb), 0.18);
  box-shadow: inset 0 1px 0 rgba(var(--text-rgb), 0.08);
}

.rotating-text__word {
  display: inline-flex;
  justify-content: center;
  white-space: nowrap;
}

.rotating-text__char {
  display: inline-block;
  will-change: transform, opacity;
}

.rotating-text.is-exiting .rotating-text__char {
  animation: rotating-text-exit 320ms cubic-bezier(0.55, 0, 0.85, 0.36) both;
  animation-delay: var(--stagger-delay, 0ms);
}

.rotating-text.is-entering .rotating-text__char {
  animation: rotating-text-enter 460ms var(--ease-out) both;
  animation-delay: var(--stagger-delay, 0ms);
}

@keyframes rotating-text-exit {
  to {
    opacity: 0;
    transform: translateY(-120%);
  }
}

@keyframes rotating-text-enter {
  from {
    opacity: 0;
    transform: translateY(110%);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-title {
  max-width: 1240px;
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(4rem, 8.6vw, 9rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.065em;
  text-wrap: balance;
}

.title-line {
  display: block;
  overflow: hidden;
}

.title-line > span {
  display: block;
  animation: title-enter 720ms var(--ease-out) both;
}

.title-line + .title-line > span {
  animation-delay: 90ms;
}

@keyframes title-enter {
  from {
    opacity: 0;
    transform: translateY(110%);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-intro {
  display: flex;
  max-width: 800px;
  flex-direction: column;
  align-items: center;
  gap: 26px;
}

.hero-intro > p {
  max-width: 42rem;
  margin: 0;
  color: var(--text-secondary);
  font-size: clamp(1.08rem, 1.5vw, 1.35rem);
  line-height: 1.8;
  text-wrap: balance;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.hero-button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 10px 21px;
  border: 1px solid rgba(var(--text-rgb), 0.16);
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 160ms ease, color 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.hero-button--primary {
  color: var(--text-inverse);
  border-color: var(--text);
  background: var(--text);
}

.hero-button--quiet {
  color: var(--text);
  background: rgba(22, 28, 78, 0.72);
}

.hero-button:hover {
  transform: translateY(-2px);
}

.hero-button--primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.hero-button--quiet:hover {
  border-color: rgba(var(--text-rgb), 0.32);
  background: rgba(32, 42, 104, 0.82);
}

.hero-button:active {
  transform: translateY(0) scale(0.98);
}

.workspace {
  position: relative;
}

.workspace-main {
  width: min(100%, 1160px);
  min-width: 0;
  margin-inline: auto;
}

.control-rail {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 240px;
}

.control-dock {
  position: sticky;
  z-index: 80;
  top: var(--dock-sticky-top, 20px);
  max-height: calc(100vh - 40px);
  margin-top: var(--dock-start-offset, clamp(48px, 6vw, 88px));
  padding: 18px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(var(--surface-rgb), 0.86);
  box-shadow: var(--shadow-subtle);
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
  transition: background-color 220ms ease, box-shadow 220ms ease;
}

.control-dock.is-stuck {
  background: rgba(var(--surface-rgb), 0.9);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-raised);
}

.control-dock__inner {
  display: grid;
  gap: 22px;
}

.model-control {
  display: grid;
  min-width: 0;
  gap: 18px;
}

.control-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-soft);
  line-height: 1.3;
}

.control-heading__label {
  font-size: 0.82rem;
  font-weight: 600;
}

.control-heading__count {
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 0.67rem;
}

.model-chip-list {
  display: grid;
  min-width: 0;
  gap: 18px;
}

.model-chip-group {
  display: block;
  min-width: 0;
}

.model-chip-group__label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.model-chip-row {
  display: grid;
  min-width: 0;
  gap: 6px;
}

.model-chip-row::-webkit-scrollbar {
  display: none;
}

.model-chip {
  position: relative;
  display: inline-flex;
  flex: 0 0 auto;
  min-height: 38px;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  background: var(--surface);
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 500;
  transition: color 180ms ease, border-color 180ms ease, background-color 180ms ease, transform 140ms ease;
}

.control-dock .model-chip {
  width: 100%;
  justify-content: flex-start;
}

.control-dock .chip-check {
  margin-left: auto;
}

.model-chip:hover {
  color: var(--text);
  border-color: var(--chip-color, var(--border-strong));
  background: var(--surface-hover);
}

.model-chip:active {
  transform: scale(0.97);
}

.model-chip:focus-visible {
  outline: 2px solid var(--chip-color, var(--accent));
  outline-offset: 3px;
}

.model-chip:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.model-chip[aria-pressed="true"] {
  color: var(--text);
  border-color: var(--chip-color, var(--accent));
  background: var(--chip-soft, var(--accent-soft));
}

.series-mark {
  display: grid;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  place-items: center;
}

.series-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.series-mark--mono img {
  filter: brightness(0) invert(1);
}

.series-mark--fallback {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--series-color, var(--accent));
}

.lane-label .series-mark {
  width: 20px;
  height: 20px;
}

.detail-series .series-mark,
.news-column__title .series-mark {
  width: 16px;
  height: 16px;
}

.chip-check {
  display: grid;
  width: 14px;
  height: 14px;
  margin-left: 1px;
  place-items: center;
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.chip-check svg {
  width: 13px;
  height: 13px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.model-chip[aria-pressed="true"] .chip-check {
  opacity: 1;
  transform: translateX(0);
}

.view-control {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 10px;
  padding-top: 18px;
  border-top: 1px solid var(--border-soft);
}

.control-dock .range-menu,
.control-dock .reset-button {
  width: 100%;
}

.range-menu {
  position: relative;
}

.range-menu summary {
  display: flex;
  min-width: 78px;
  height: 32px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  background: var(--surface-alt);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  transition: color 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.range-menu summary::-webkit-details-marker {
  display: none;
}

.range-menu summary:hover {
  color: var(--text);
  border-color: var(--border-strong);
  background: var(--surface-hover);
}

.range-menu summary:focus-visible,
.range-options button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.range-menu summary svg {
  width: 10px;
  height: 10px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
  transition: transform 160ms ease;
}

.range-menu[open] summary svg {
  transform: rotate(180deg);
}

.range-options {
  position: absolute;
  z-index: 40;
  top: calc(100% + 8px);
  right: 0;
  display: grid;
  width: 112px;
  gap: 3px;
  padding: 6px;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: rgba(var(--surface-rgb), 0.98);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.38);
  backdrop-filter: blur(18px);
}

.range-options button {
  min-height: 31px;
  border: 0;
  border-radius: 8px;
  color: var(--text-secondary);
  background: transparent;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.range-options button:hover {
  color: var(--text);
  background: var(--surface-hover);
}

.range-options button[aria-pressed="true"] {
  color: var(--text-inverse);
  background: var(--accent);
}

.segmented-control {
  display: inline-grid;
  grid-template-columns: repeat(5, 1fr);
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--surface-alt);
}

.segment-button {
  min-width: 0;
  min-height: 36px;
  padding: 5px 8px;
  border: 0;
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  background: transparent;
  cursor: pointer;
  font-size: 0.7rem;
  transition: color 180ms ease, background-color 180ms ease, transform 140ms ease;
}

.segment-button:hover {
  color: var(--text);
  background: rgba(var(--surface-rgb), 0.55);
}

.segment-button:active {
  transform: scale(0.96);
}

.segment-button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.segment-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.segment-button[aria-pressed="true"] {
  color: var(--text-inverse);
  background: var(--accent);
}

.icon-button,
.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  background: var(--surface);
  cursor: pointer;
  transition: color 180ms ease, border-color 180ms ease, background-color 180ms ease, transform 140ms ease;
}

.icon-button {
  min-width: 44px;
  padding: 9px;
}

.icon-button svg,
.interaction-hint svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.65;
}

.icon-button:hover,
.button:hover {
  color: var(--text);
  border-color: var(--border-strong);
  background: var(--surface-hover);
}

.icon-button:active,
.button:active {
  transform: scale(0.96);
}

.icon-button:focus-visible,
.button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.icon-button:disabled,
.button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.reset-button {
  padding-inline: 13px 15px;
  font-size: 0.78rem;
}

.timeline-section,
.news-section {
  padding-top: clamp(72px, 8vw, 118px);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.55fr);
  align-items: end;
  gap: 48px;
  margin-bottom: 34px;
}

.section-heading h2,
.method-strip h2,
.info-dialog h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 3.35rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.035em;
}

.section-heading__aside {
  justify-self: end;
  max-width: 520px;
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.section-heading__aside > p {
  margin: 0;
}

.interaction-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  white-space: nowrap;
  color: var(--text-tertiary);
  font-size: 0.74rem;
}

.timeline-footer .interaction-hint {
  margin: 0;
}

.timeline-shell {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(var(--surface-rgb), 0.72);
  box-shadow: var(--shadow-subtle);
}

.timeline-toolbar,
.timeline-footer {
  display: flex;
  min-height: 54px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 10px 22px;
  color: var(--text-tertiary);
  font-size: 0.72rem;
}

.timeline-toolbar {
  border-bottom: 1px solid var(--border-soft);
}

.timeline-toolbar__controls {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 12px;
}

.timeline-range-host {
  display: flex;
  align-items: center;
}

.timeline-footer {
  min-height: 48px;
  border-top: 1px solid var(--border-soft);
}

.timeline-footer__status {
  display: flex;
  min-width: 0;
  flex: 1 1 auto;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.timeline-footer p {
  margin: 0;
}

.timeline-footer p:last-child {
  text-align: right;
}

.tier-visibility-hint {
  color: var(--text-secondary);
}

#hidden-event-summary {
  color: var(--text-tertiary);
}

.timeline-maximize-toggle {
  min-height: 36px;
  flex: 0 0 auto;
  padding: 7px 12px;
  font-size: 0.72rem;
}

.timeline-maximize-toggle svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.maximize-exit-icon {
  display: none;
}

.timeline-legend {
  display: flex;
  align-items: center;
  gap: 18px;
}

.timeline-legend span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.legend-node {
  display: inline-block;
  width: 9px;
  height: 9px;
  background: var(--accent);
}

.legend-node--major {
  clip-path: polygon(50% 0, 72% 22%, 100% 50%, 72% 78%, 50% 100%, 28% 78%, 0 50%, 28% 22%);
}

.legend-node--secondary {
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
  opacity: 0.72;
}

.legend-node--minor {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  opacity: 0.46;
}

.legend-line {
  display: inline-block;
  width: 22px;
  height: 1px;
  background: var(--border-strong);
}

.zoom-control {
  position: relative;
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  height: 32px;
  overflow: visible;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: rgba(var(--surface-rgb), 0.58);
  font-family: var(--font-mono);
}

.zoom-step,
.zoom-menu summary {
  display: grid;
  min-width: 31px;
  height: 30px;
  place-items: center;
  border: 0;
  color: var(--text-tertiary);
  background: transparent;
  cursor: pointer;
  transition: color 160ms ease, background-color 160ms ease;
}

.zoom-step:first-child {
  border-radius: var(--radius-pill) 0 0 var(--radius-pill);
}

.zoom-step:last-child {
  border-radius: 0 var(--radius-pill) var(--radius-pill) 0;
}

.zoom-step {
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1;
}

.zoom-step:hover,
.zoom-menu summary:hover {
  color: var(--text);
  background: var(--surface-hover);
}

.zoom-step:focus-visible,
.zoom-menu summary:focus-visible,
.zoom-presets button:focus-visible {
  position: relative;
  z-index: 2;
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.zoom-step:disabled {
  opacity: 0.32;
  cursor: not-allowed;
}

.zoom-menu {
  position: relative;
  border-inline: 1px solid var(--border-soft);
}

.zoom-menu summary {
  display: flex;
  min-width: 78px;
  grid-template-columns: none;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 0 10px;
  list-style: none;
  font-size: 0.68rem;
}

.zoom-menu summary::-webkit-details-marker {
  display: none;
}

.zoom-menu summary svg {
  width: 10px;
  height: 10px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
  transition: transform 160ms ease;
}

.zoom-menu[open] summary svg {
  transform: rotate(180deg);
}

.zoom-presets {
  position: absolute;
  z-index: 40;
  top: calc(100% + 8px);
  right: -32px;
  display: grid;
  width: 142px;
  grid-template-columns: 1fr;
  gap: 3px;
  padding: 6px;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: rgba(var(--surface-rgb), 0.98);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.38);
  backdrop-filter: blur(18px);
}

.zoom-presets button {
  min-height: 31px;
  border: 0;
  border-radius: 8px;
  color: var(--text-secondary);
  background: transparent;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.zoom-presets button:hover {
  color: var(--text);
  background: var(--surface-hover);
}

.zoom-presets button[aria-pressed="true"] {
  color: var(--text-inverse);
  background: var(--accent);
}

.timeline-layout {
  display: grid;
  grid-template-columns: var(--label-column) minmax(0, 1fr);
  min-height: 440px;
}

.lane-labels {
  position: relative;
  z-index: 2;
  border-right: 1px solid var(--border-soft);
  background: rgba(var(--surface-rgb), 0.82);
}

.lane-label {
  position: absolute;
  left: 0;
  display: flex;
  width: 100%;
  align-items: center;
  gap: 9px;
  padding-inline: 22px 12px;
  color: var(--text-secondary);
  transform: translateY(-50%);
  transition: color 180ms ease, opacity 180ms ease;
}

.lane-label.is-active {
  color: var(--text);
}

.lane-label__copy {
  display: grid;
  min-width: 0;
  line-height: 1.25;
}

.lane-label__name {
  overflow: hidden;
  font-size: 0.8rem;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lane-label__vendor {
  overflow: hidden;
  color: var(--text-tertiary);
  font-size: 0.62rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.timeline-viewport {
  position: relative;
  min-width: 0;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-inline: contain;
  cursor: grab;
  scrollbar-color: var(--border-strong) transparent;
  scrollbar-width: thin;
}

.timeline-viewport::-webkit-scrollbar {
  height: 8px;
}

.timeline-viewport::-webkit-scrollbar-track {
  background: transparent;
}

.timeline-viewport::-webkit-scrollbar-thumb {
  border: 2px solid transparent;
  border-radius: var(--radius-pill);
  background: var(--border-strong);
  background-clip: padding-box;
}

.timeline-viewport:hover::-webkit-scrollbar-thumb {
  background: var(--accent);
  background-clip: padding-box;
}

.timeline-viewport.is-dragging {
  cursor: grabbing;
  user-select: none;
}

.timeline-viewport.is-zooming .event-node {
  pointer-events: none;
}

.timeline-viewport.is-zooming .timeline-lane,
.timeline-viewport.is-zooming .node-core,
.timeline-viewport.is-zooming .node-focus,
.timeline-viewport.is-zooming .event-label--minor {
  transition: none;
}

.timeline-viewport:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -3px;
}

.timeline-svg {
  display: block;
  min-width: 100%;
  overflow: visible;
  font-family: var(--font-sans);
}

.year-grid-line {
  stroke: rgba(var(--accent-rgb), 0.22);
  stroke-width: 1;
  stroke-dasharray: 2 8;
}

.axis-line {
  stroke: var(--border);
  stroke-width: 1;
}

.axis-label {
  fill: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 11px;
}

.today-line {
  stroke: var(--today);
  stroke-width: 1;
  stroke-dasharray: 3 5;
}

.today-label {
  fill: var(--today);
  font-family: var(--font-mono);
  font-size: 10px;
}

.timeline-lane {
  color: var(--series-color);
  opacity: 1;
  transition: opacity 200ms ease;
}

.timeline-shell.has-selection .timeline-lane:not(.is-active) {
  opacity: 0.32;
}

.lane-line {
  stroke: currentColor;
  stroke-width: 1.25;
  opacity: 0.74;
}

.lane-terminal {
  fill: currentColor;
  opacity: 0.48;
}

.event-node {
  color: var(--series-color);
  cursor: pointer;
  outline: none;
}

.event-node .node-hit {
  fill: transparent;
}

.event-node .node-core {
  transform-box: fill-box;
  transform-origin: center;
  transition: transform 170ms var(--ease-out), opacity 170ms ease;
}

.event-node .node-core--major {
  fill: currentColor;
  stroke: currentColor;
  stroke-width: 1;
  opacity: 1;
}

.event-node .node-core--secondary {
  fill: currentColor;
  stroke: var(--surface);
  stroke-width: 1.5;
  stroke-linejoin: round;
  opacity: 0.72;
}

.event-node .node-core--minor {
  fill: currentColor;
  stroke: none;
  opacity: 0.46;
}

.event-node .node-focus {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  opacity: 0;
  transition: opacity 160ms ease;
}

.event-node:hover .node-core,
.event-node:focus-visible .node-core,
.event-node.is-selected .node-core {
  opacity: 1;
  transform: scale(1.35);
}

.event-node:hover .node-focus,
.event-node:focus-visible .node-focus,
.event-node.is-selected .node-focus {
  opacity: 0.5;
}

.event-label {
  fill: var(--text-secondary);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.01em;
  pointer-events: none;
}

.event-label--minor {
  fill: var(--text-tertiary);
  font-size: 10px;
  font-weight: 500;
  opacity: 0;
  transition: opacity 160ms ease;
}

.range-detail .event-label--minor,
.event-node:hover .event-label--minor,
.event-node:focus-visible .event-label--minor {
  opacity: 1;
}

.timeline-loading {
  position: absolute;
  z-index: 5;
  inset: 55px 0 48px;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 18px;
  color: var(--text-tertiary);
  background: var(--surface);
  font-size: 0.8rem;
}

.static-timeline {
  margin-top: 18px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(var(--surface-rgb), 0.72);
  box-shadow: var(--shadow-subtle);
}

.static-timeline__header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  padding: 22px;
  border-bottom: 1px solid var(--border-soft);
}

.static-timeline__header h3,
.static-timeline__header p {
  margin: 0;
}

.static-timeline__header h3 {
  margin-top: 6px;
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2vw, 1.85rem);
  font-weight: 500;
}

.static-timeline__header > p {
  max-width: 560px;
  color: var(--text-tertiary);
  font-size: 0.78rem;
  line-height: 1.7;
  text-align: right;
}

.static-series + .static-series {
  border-top: 1px solid var(--border-soft);
}

.static-series summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 15px 22px;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 600;
  list-style: none;
}

.static-series summary::-webkit-details-marker {
  display: none;
}

.static-series summary span:last-child {
  color: var(--text-tertiary);
  font-size: 0.7rem;
  font-weight: 500;
}

.static-series summary span:first-child::before {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 11px;
  border-right: 1px solid var(--text-tertiary);
  border-bottom: 1px solid var(--text-tertiary);
  content: "";
  transform: rotate(-45deg) translateY(-1px);
  transition: transform 160ms var(--ease-out);
}

.static-series[open] summary span:first-child::before {
  transform: rotate(45deg) translate(-1px, -2px);
}

.static-event-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0 22px 16px;
  list-style: none;
}

.static-event {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 18px;
  padding: 8px 0;
  border-top: 1px solid var(--border-soft);
  font-size: 0.76rem;
  line-height: 1.5;
}

.static-event time {
  color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
}

.static-event a {
  color: var(--text-secondary);
  text-decoration-color: transparent;
  text-underline-offset: 3px;
}

.static-event a:hover,
.static-event a:focus-visible {
  color: var(--text);
  text-decoration-color: var(--accent);
}

@media (max-width: 640px) {
  .static-timeline__header {
    display: grid;
    gap: 12px;
    padding: 18px;
  }

  .static-timeline__header > p {
    text-align: left;
  }

  .static-series summary,
  .static-event-list {
    padding-right: 18px;
    padding-left: 18px;
  }

  .static-event {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}

.loading-line {
  position: relative;
  width: min(240px, 60%);
  height: 1px;
  overflow: hidden;
  background: var(--border-soft);
}

.loading-line::after {
  position: absolute;
  inset: 0;
  content: "";
  background: var(--accent);
  transform: translateX(-100%);
  animation: loading-sweep 1.1s var(--ease-out) infinite;
}

@keyframes loading-sweep {
  to {
    transform: translateX(100%);
  }
}

.timeline-tooltip {
  position: fixed;
  z-index: 140;
  max-width: 240px;
  padding: 8px 11px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  background: var(--overlay);
  box-shadow: var(--shadow-raised);
  pointer-events: none;
  font-size: 0.72rem;
  line-height: 1.5;
}

.timeline-tooltip time {
  display: block;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 0.65rem;
}

.detail-panel {
  position: fixed;
  z-index: 130;
  width: min(360px, calc(100vw - 32px));
  max-height: min(680px, calc(100vh - 32px));
  padding: 26px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  background: var(--overlay);
  box-shadow: var(--shadow-popover);
  animation: panel-enter 220ms var(--ease-out) both;
}

.detail-panel__accent {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  background: var(--series-color, var(--accent));
}

.detail-close {
  position: absolute;
  top: 14px;
  right: 14px;
  border-color: transparent;
  background: transparent;
}

@keyframes panel-enter {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.detail-series {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 44px 16px 0;
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
}

.detail-panel h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.55rem;
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.detail-date {
  display: block;
  margin-top: 5px;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.detail-highlight {
  margin: 24px 0 10px;
  font-weight: 600;
  line-height: 1.7;
}

.detail-why {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.8;
}

.detail-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 22px 0 0;
}

.metric-item {
  padding: 10px 12px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  background: var(--surface-alt);
}

.metric-item dt {
  color: var(--text-tertiary);
  font-size: 0.65rem;
}

.metric-item dd {
  margin: 2px 0 0;
  font-size: 0.78rem;
  font-weight: 600;
}

.detail-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.source-link {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  gap: 7px;
  padding: 7px 11px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.72rem;
  transition: color 180ms ease, border-color 180ms ease, background-color 180ms ease, transform 140ms ease;
}

.source-link svg,
.news-card__source svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.source-link:hover {
  color: var(--text);
  border-color: var(--series-color, var(--accent));
  background: var(--surface-hover);
}

.source-link:active {
  transform: scale(0.97);
}

.source-link:focus-visible {
  outline: 2px solid var(--series-color, var(--accent));
  outline-offset: 3px;
}

.news-description {
  text-align: right;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 32px;
}

.news-grid--list {
  grid-template-columns: 1fr;
  gap: 38px;
}

.news-grid--list .news-list {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
}

.news-column {
  min-width: 0;
}

.news-column__heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.news-column__title {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  font-size: 0.85rem;
  font-weight: 600;
}

.news-column__count {
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 0.65rem;
}

.news-list {
  display: grid;
  gap: 10px;
}

.news-card {
  --series-color: var(--accent);
  position: relative;
  display: grid;
  min-height: 152px;
  padding: 19px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  background: var(--surface);
  box-shadow: var(--shadow-subtle);
  text-decoration: none;
  transition: border-color 200ms ease, transform 200ms var(--ease-out), box-shadow 200ms ease;
}

.news-card::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  content: "";
  background: var(--series-color);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 240ms var(--ease-out);
}

.news-card:hover {
  border-color: var(--series-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-raised);
}

.news-card:hover::before,
.news-card:focus-visible::before {
  transform: scaleY(1);
}

.news-card:active {
  transform: translateY(0) scale(0.99);
}

.news-card:focus-visible {
  outline: 2px solid var(--series-color);
  outline-offset: 3px;
}

.news-card time {
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.news-card h3 {
  align-self: center;
  margin: 14px 0 20px;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.65;
}

.news-card__source {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--text-tertiary);
  font-size: 0.7rem;
}

.news-empty {
  display: grid;
  min-height: 152px;
  place-items: center;
  margin: 0;
  padding: 24px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  color: var(--text-tertiary);
  background: rgba(var(--surface-rgb), 0.45);
  text-align: center;
  font-size: 0.78rem;
}

.method-strip {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(320px, 1.15fr) auto;
  align-items: end;
  gap: clamp(32px, 6vw, 90px);
  margin-top: clamp(86px, 10vw, 150px);
  margin-bottom: clamp(86px, 10vw, 150px);
  padding-top: 46px;
  padding-bottom: 46px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.method-strip h2 {
  font-size: clamp(1.65rem, 2.7vw, 2.55rem);
}

.method-strip > p {
  margin: 0;
  color: var(--text-secondary);
}

.button {
  padding: 10px 18px;
  text-decoration: none;
  font-size: 0.8rem;
}

.button--quiet {
  white-space: nowrap;
}

.site-footer {
  border-top: 1px solid var(--border-soft);
  background: rgba(var(--surface-rgb), 0.48);
}

.site-footer__inner {
  display: flex;
  min-height: 184px;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding-top: 38px;
  padding-bottom: 38px;
}

.site-footer p {
  margin: 0;
  color: var(--text-tertiary);
  font-size: 0.78rem;
}

.footer-brand {
  margin-bottom: 5px !important;
  color: var(--text) !important;
  font-family: var(--font-serif);
  font-size: 1.12rem !important;
  font-weight: 700;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 2px;
}

.info-dialog {
  width: min(620px, calc(100% - 32px));
  max-height: min(760px, calc(100% - 32px));
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  color: var(--text);
  background: var(--overlay);
  box-shadow: var(--shadow-popover);
}

.info-dialog::backdrop {
  background: rgba(var(--text-rgb), 0.16);
}

.info-dialog[open] {
  animation: dialog-enter 220ms var(--ease-out) both;
}

@keyframes dialog-enter {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.dialog-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 28px 22px;
  border-bottom: 1px solid var(--border-soft);
}

.dialog-header .eyebrow {
  margin-bottom: 6px;
}

.dialog-header h2 {
  font-size: 2rem;
}

.dialog-close {
  flex: 0 0 auto;
  border-color: transparent;
  background: transparent;
}

.dialog-body {
  max-height: calc(100vh - 190px);
  padding: 24px 28px 32px;
  overflow-y: auto;
}

.dialog-body h3 {
  margin: 24px 0 4px;
  font-size: 0.94rem;
}

.dialog-body h3:first-child {
  margin-top: 0;
}

.dialog-body p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

@media (max-width: 1679px) {
  .control-rail {
    position: relative;
    inset: auto;
    width: auto;
  }

  .control-dock {
    top: 0;
    max-height: none;
    margin: 0 calc(var(--page-gutter) * -1);
    padding: 0 var(--page-gutter);
    overflow: visible;
    border-right: 0;
    border-left: 0;
    border-radius: 0;
    background: rgba(var(--bg-rgb), 0.95);
    box-shadow: var(--shadow-hairline);
  }

  .control-dock.is-stuck {
    top: 0;
    transform: none;
  }

  .control-dock__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
    min-height: var(--control-height);
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .model-control {
    display: flex;
    align-items: start;
    gap: 20px;
  }

  .control-heading {
    display: grid;
    flex: 0 0 auto;
    padding-bottom: 0;
    border-bottom: 0;
  }

  .model-chip-list {
    width: max-content;
    max-width: 100%;
    flex: 0 1 auto;
    gap: 7px;
  }

  .model-chip-group {
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr);
    align-items: center;
    gap: 8px;
  }

  .model-chip-group__label {
    margin-bottom: 0;
  }

  .model-chip-row {
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .model-chip-group:first-child .model-chip-row {
    display: grid;
    width: 100%;
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .control-dock .model-chip {
    width: auto;
  }

  .control-dock .model-chip-group:first-child .model-chip {
    width: 100%;
  }

  .control-dock .chip-check {
    margin-left: 1px;
  }

  .view-control {
    display: flex;
    padding-top: 0;
    border-top: 0;
  }

  .control-dock .range-menu,
  .control-dock .reset-button {
    width: auto;
  }
}

@media (max-width: 1180px) {
  :root {
    --page-gutter: 32px;
    --label-column: 118px;
  }

  .workspace {
    display: block;
  }

  .control-dock {
    top: 0;
    max-height: none;
    margin: 0 calc(var(--page-gutter) * -1);
    padding: 0 var(--page-gutter);
    overflow: visible;
    border-right: 0;
    border-left: 0;
    border-radius: 0;
    background: rgba(var(--bg-rgb), 0.95);
    box-shadow: var(--shadow-hairline);
  }

  .control-dock__inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .control-dock {
    --control-height: 168px;
  }

  .model-control {
    display: flex;
    align-items: start;
    gap: 20px;
  }

  .control-heading {
    display: grid;
    flex: 0 0 auto;
    padding-bottom: 0;
    border-bottom: 0;
  }

  .model-chip-list {
    width: auto;
    max-width: none;
    flex: 1 1 auto;
    gap: 7px;
  }

  .model-chip-group {
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr);
    align-items: center;
    gap: 8px;
  }

  .model-chip-group__label {
    margin-bottom: 0;
  }

  .model-chip-row {
    display: flex;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    padding-bottom: 2px;
    scrollbar-width: none;
  }

  .control-dock .model-chip {
    width: auto;
  }

  .control-dock .chip-check {
    margin-left: 1px;
  }

  .view-control {
    display: flex;
    justify-content: space-between;
    padding-left: 92px;
    padding-top: 0;
    border-top: 0;
  }

  .control-dock .range-menu,
  .control-dock .reset-button {
    width: auto;
  }

  .lane-label {
    padding-left: 16px;
  }

  .method-strip {
    grid-template-columns: 1fr 1.35fr;
  }

  .method-strip .button {
    justify-self: start;
  }
}

@media (max-width: 820px) {
  .site-header {
    min-height: 100svh;
    padding-bottom: 44px;
  }

  .site-header__inner {
    min-height: calc(100svh - 66px);
    gap: 28px;
  }

  .hero-copy {
    gap: 24px;
  }

  .hero-rotator {
    font-size: clamp(1.2rem, 4.2vw, 1.7rem);
  }

  .hero-title {
    font-size: clamp(3.4rem, 12vw, 5.6rem);
  }

  .hero-intro {
    max-width: 540px;
    padding-bottom: 0;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .section-heading__aside {
    justify-self: start;
  }

  .interaction-hint {
    justify-content: flex-start;
  }

  .news-description {
    text-align: left;
  }

  .timeline-toolbar {
    align-items: start;
  }

  .timeline-toolbar__controls {
    align-items: center;
  }

  .timeline-legend {
    flex-wrap: wrap;
    gap: 8px 14px;
  }

  .timeline-footer p:last-child {
    max-width: 360px;
  }

  .method-strip {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 24px;
  }
}

@media (max-width: 699px) {
  :root {
    --page-gutter: 18px;
    --label-column: 104px;
  }

  body {
    font-size: 15px;
  }

  .site-header {
    min-height: 100svh;
    padding-top: 16px;
    padding-bottom: 36px;
  }

  .site-header__inner {
    min-height: calc(100svh - 52px);
    gap: 22px;
  }

  .topline {
    align-items: start;
  }

  .wordmark > span:last-child {
    display: none;
  }

  .topnav {
    gap: 0;
  }

  .nav-button {
    padding-inline: 9px;
    font-size: 0.78rem;
  }

  .hero-title {
    font-size: clamp(2.75rem, 14vw, 4.4rem);
  }

  .hero-rotator {
    font-size: clamp(1.05rem, 5.2vw, 1.35rem);
  }

  .hero-intro {
    gap: 18px;
  }

  .hero-intro > p {
    font-size: 0.94rem;
  }

  .hero-actions {
    flex-wrap: wrap;
  }

  .hero-button {
    min-height: 44px;
    padding-inline: 14px;
    font-size: 0.8rem;
  }

  .control-dock {
    --control-height: 192px;
  }

  .control-dock__inner {
    gap: 8px;
  }

  .model-control {
    display: grid;
    gap: 7px;
  }

  .control-heading {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .control-heading__count {
    align-self: center;
  }

  .model-chip-list {
    margin-right: calc(var(--page-gutter) * -1);
    padding-right: var(--page-gutter);
  }

  .model-chip-group {
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 6px;
  }

  .model-chip {
    min-height: 40px;
    padding-inline: 12px;
    font-size: 0.76rem;
  }

  .view-control {
    padding-left: 0;
  }

  .segment-button {
    min-height: 38px;
  }

  .reset-button span {
    display: none;
  }

  .timeline-section,
  .news-section {
    padding-top: 68px;
  }

  .section-heading {
    margin-bottom: 24px;
  }

  .section-heading h2 {
    font-size: 2.2rem;
  }

  .timeline-shell {
    margin-inline: calc(var(--page-gutter) * -1);
    border-right: 0;
    border-left: 0;
    border-radius: 0;
  }

  .timeline-toolbar,
  .timeline-footer {
    padding-inline: var(--page-gutter);
  }

  .timeline-toolbar {
    display: grid;
    gap: 10px;
  }

  .timeline-toolbar__controls {
    justify-self: end;
    gap: 8px;
  }

  .timeline-toolbar .segment-button {
    min-height: 34px;
    padding-inline: 7px;
  }

  .timeline-legend span:last-child {
    display: none;
  }

  .timeline-layout {
    min-height: 420px;
  }

  .lane-label {
    gap: 6px;
    padding-inline: 10px 6px;
  }

  .lane-label .series-mark {
    width: 16px;
    height: 16px;
  }

  .lane-label__name {
    font-size: 0.72rem;
    letter-spacing: -0.015em;
  }

  .lane-label__vendor {
    display: none;
  }

  .timeline-footer {
    align-items: start;
    flex-direction: column;
    gap: 2px;
  }

  .timeline-footer__status {
    align-items: start;
    flex-direction: column;
    gap: 2px;
  }

  .timeline-maximize-toggle {
    margin-top: 8px;
  }

  .timeline-footer p:last-child {
    text-align: left;
  }

  .detail-panel {
    inset: auto 0 0 !important;
    width: 100%;
    max-width: none;
    max-height: min(78vh, 720px);
    padding: 26px 22px calc(26px + env(safe-area-inset-bottom));
    border-right: 0;
    border-bottom: 0;
    border-left: 0;
    border-radius: 18px 18px 0 0;
    animation-name: sheet-enter;
  }

  @keyframes sheet-enter {
    from {
      opacity: 0;
      transform: translateY(100%);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .news-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .news-card {
    min-height: 144px;
  }

  .method-strip {
    margin-top: 90px;
    margin-bottom: 90px;
    padding-top: 36px;
    padding-bottom: 36px;
  }

  .site-footer__inner {
    min-height: 210px;
    align-items: start;
    flex-direction: column;
    justify-content: center;
    gap: 20px;
  }

  .footer-links {
    flex-wrap: wrap;
  }

  .footer-link {
    padding-left: 0;
    padding-right: 18px;
  }

  .dialog-header,
  .dialog-body {
    padding-right: 22px;
    padding-left: 22px;
  }
}

html.is-timeline-maximized {
  --maximize-controls-height: 142px;
  overflow: hidden;
  background: var(--bg);
}

html.is-timeline-maximized body {
  overflow: hidden;
}

html.is-timeline-maximized .site-header {
  visibility: hidden;
}

html.is-timeline-maximized .timeline-shell {
  position: fixed;
  z-index: 1000;
  inset: 0 0 var(--maximize-controls-height);
  display: grid;
  overflow: hidden;
  grid-template-rows: auto minmax(0, 1fr) auto;
  margin: 0;
  border: 0;
  border-radius: 0;
  background: var(--bg);
  box-shadow: none;
  opacity: 1;
  transform: none;
}

html.is-timeline-maximized .timeline-layout {
  min-height: 0;
}

html.is-timeline-maximized .timeline-tooltip {
  z-index: 1010;
}

html.is-timeline-maximized .detail-panel {
  z-index: 1020;
  max-height: min(680px, calc(100vh - var(--maximize-controls-height) - 28px));
}

html.is-timeline-maximized .timeline-toolbar,
html.is-timeline-maximized .timeline-footer {
  padding-inline: clamp(22px, 3vw, 52px);
}

html.is-timeline-maximized .timeline-maximize-toggle {
  color: var(--text);
  border-color: var(--border-strong);
  background: var(--surface-alt);
}

html.is-timeline-maximized .maximize-enter-icon {
  display: none;
}

html.is-timeline-maximized .maximize-exit-icon {
  display: block;
}

html.is-timeline-maximized .control-dock {
  position: fixed;
  z-index: 1001;
  inset: auto 0 0;
  width: auto;
  max-height: var(--maximize-controls-height);
  margin: 0;
  padding: 14px clamp(22px, 3vw, 52px);
  overflow: hidden;
  border: 0;
  border-top: 1px solid var(--border);
  border-radius: 0;
  background: rgba(var(--surface-rgb), 0.96);
  box-shadow: 0 -18px 48px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px);
  transform: none;
}

html.is-timeline-maximized .control-dock__inner {
  display: grid;
  min-height: 114px;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(24px, 3vw, 48px);
  padding: 0;
}

html.is-timeline-maximized .model-control {
  display: grid;
  min-width: 0;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 22px;
}

html.is-timeline-maximized .control-heading {
  display: grid;
  align-items: end;
  padding: 0;
  border: 0;
}

html.is-timeline-maximized .model-chip-list {
  display: grid;
  width: max-content;
  max-width: 100%;
  min-width: 0;
  justify-self: start;
  gap: 8px;
}

html.is-timeline-maximized .model-chip-group {
  display: grid;
  min-width: 0;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
}

html.is-timeline-maximized .model-chip-group__label {
  margin: 0;
}

html.is-timeline-maximized .model-chip-row {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 7px;
}

html.is-timeline-maximized .model-chip-group:first-child .model-chip-row {
  display: grid;
  width: 100%;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

html.is-timeline-maximized .control-dock .model-chip {
  width: auto;
  min-height: 36px;
}

html.is-timeline-maximized .control-dock .model-chip-group:first-child .model-chip {
  width: 100%;
}

html.is-timeline-maximized .control-dock .chip-check {
  margin-left: 1px;
}

html.is-timeline-maximized .view-control {
  display: flex;
  padding: 0;
  border: 0;
}

html.is-timeline-maximized .control-dock .range-menu,
html.is-timeline-maximized .control-dock .reset-button {
  width: auto;
}

html.is-timeline-maximized .range-options {
  top: auto;
  bottom: calc(100% + 8px);
  right: auto;
  left: 0;
}

@media (max-width: 820px) {
  html.is-timeline-maximized {
    --maximize-controls-height: 224px;
  }

  html.is-timeline-maximized .timeline-toolbar {
    display: flex;
  }

  html.is-timeline-maximized .timeline-footer {
    align-items: center;
    flex-direction: row;
    gap: 12px;
  }

  html.is-timeline-maximized .timeline-footer__status {
    flex-direction: row;
  }

  html.is-timeline-maximized .timeline-maximize-toggle {
    margin-top: 0;
  }

  html.is-timeline-maximized .timeline-footer__status p:last-child {
    display: none;
  }

  html.is-timeline-maximized .control-dock {
    padding-bottom: calc(14px + env(safe-area-inset-bottom));
  }

  html.is-timeline-maximized .control-dock__inner {
    min-height: 196px;
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  html.is-timeline-maximized .model-chip-row {
    display: flex;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scrollbar-width: none;
  }

  html.is-timeline-maximized .model-chip-list {
    width: auto;
    max-width: none;
    justify-self: stretch;
  }

  html.is-timeline-maximized .control-dock .model-chip {
    width: auto;
  }

  html.is-timeline-maximized .model-control {
    gap: 14px;
  }

  html.is-timeline-maximized .view-control {
    justify-content: flex-end;
    padding-left: 0;
  }
}

@media (max-width: 699px) {
  html.is-timeline-maximized .detail-panel {
    inset: auto 0 var(--maximize-controls-height) !important;
    max-height: min(62vh, calc(100vh - var(--maximize-controls-height) - 18px));
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .page-grain {
    transform: none !important;
    will-change: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media print {
  :root {
    color-scheme: light;
    --bg: var(--print-bg);
    --surface: var(--print-bg);
    --surface-alt: var(--print-surface-alt);
    --surface-hover: var(--print-surface-hover);
    --overlay: var(--print-bg);
    --border: var(--print-border);
    --border-strong: var(--print-border-strong);
    --border-soft: var(--print-border-soft);
    --text: var(--print-text);
    --text-secondary: var(--print-text-secondary);
    --text-tertiary: var(--print-text-tertiary);
  }

  .page-grain,
  .lightfall,
  .scroll-progress,
  .control-dock,
  .topnav,
  .interaction-hint,
  .reset-button,
  .method-strip .button,
  .site-footer {
    display: none !important;
  }

  body {
    background: var(--surface);
  }

  .site-header,
  .timeline-section,
  .news-section {
    break-inside: avoid;
  }

  .timeline-viewport {
    overflow: visible;
  }

  .timeline-shell,
  .news-card {
    box-shadow: none;
  }

  .series-mark--mono img {
    filter: none;
  }
}