:root {
  --black: #f5f5f5;
  --surface: #ffffff;
  --surface-raised: #f0f0f0;
  --border: #e8e8e8;
  --border-visible: #cccccc;
  --text-disabled: #999999;
  --text-secondary: #666666;
  --text-primary: #1a1a1a;
  --text-display: #000000;
  --accent: #d71921;
  --success: #4a9e5c;
  --warning: #d4a843;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  font-family: "Space Grotesk", system-ui, sans-serif;
}

@font-face {
  font-family: "Fusion Pixel SC";
  src: url("./assets/fonts/fusion-pixel-12px-monospaced-zh_hans.woff2") format("woff2");
  font-display: swap;
  font-style: normal;
  font-weight: 400;
}

body.dark {
  --black: #000000;
  --surface: #111111;
  --surface-raised: #1a1a1a;
  --border: #222222;
  --border-visible: #333333;
  --text-disabled: #666666;
  --text-secondary: #999999;
  --text-primary: #e8e8e8;
  --text-display: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle, var(--border) 0.7px, transparent 0.7px) 0 0 / 14px 14px,
    var(--black);
  color: var(--text-primary);
}

button,
a {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

.page-shell {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 20px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: 1fr auto 44px;
  align-items: center;
  min-height: 64px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--black) 92%, transparent);
  backdrop-filter: blur(10px);
}

.brand,
.nav-links,
.hero-actions,
.meter-grid,
.section-head,
.profile-head,
.deploy-row {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-family: "Space Mono", monospace;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.brand-mark {
  width: 12px;
  height: 12px;
  border: 2px solid var(--text-display);
  border-radius: 50%;
}

.nav-links {
  gap: 28px;
  color: var(--text-disabled);
  font-family: "Space Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
}

.nav-links a:hover,
.icon-button:hover {
  color: var(--text-display);
}

.icon-button {
  width: 44px;
  height: 44px;
  border: 1px solid var(--border-visible);
  border-radius: 50%;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
}

.icon-button svg,
.primary-action svg,
.secondary-action svg {
  width: 18px;
  height: 18px;
  stroke-width: 1.5;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  gap: var(--space-3xl);
  min-height: calc(100vh - 84px);
  align-items: center;
  padding: var(--space-3xl) 0 var(--space-2xl);
}

.eyebrow,
.panel-label,
.status-pill,
.meter-grid,
.skill,
.deploy-row span,
.inline-state,
.scene-tabs button {
  font-family: "Space Mono", monospace;
  font-size: 11px;
  line-height: 1.2;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow,
.panel-label,
.deploy-row span {
  color: var(--text-secondary);
}

.hero h1 {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin: 12px 0 20px;
  max-width: 100%;
  color: var(--text-display);
  white-space: nowrap;
  letter-spacing: 0;
}

.hero-title-latin {
  font-family: "Doto", "Space Mono", monospace;
  font-size: clamp(68px, 9vw, 138px);
  font-weight: 700;
  line-height: 0.88;
}

.hero-title-cn {
  font-family: "Fusion Pixel SC", "Space Mono", monospace;
  font-size: clamp(52px, 7vw, 104px);
  font-weight: 400;
  line-height: 1;
}

.hero-line {
  max-width: 640px;
  margin: 0;
  color: var(--text-primary);
  font-size: 20px;
  font-weight: 300;
  line-height: 1.45;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
  margin-top: var(--space-xl);
}

.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  padding: 12px 22px;
  border-radius: 999px;
  font-family: "Space Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
}

.primary-action {
  border: 0;
  background: var(--text-display);
  color: var(--black);
}

.secondary-action {
  border: 1px solid var(--border-visible);
  background: transparent;
  color: var(--text-primary);
}

.full {
  width: 100%;
}

.hero-meter,
.talent-panel,
.detail-panel,
.deploy-console {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
}

.hero-meter {
  padding: var(--space-lg);
}

.meter-top {
  display: grid;
  gap: var(--space-md);
}

.meter-top span {
  color: var(--text-secondary);
  font-family: "Space Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
}

.meter-top strong {
  color: var(--text-display);
  font-family: "Space Mono", monospace;
  font-size: 78px;
  font-weight: 400;
  line-height: 0.9;
}

.segmented-bar {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 2px;
  margin: var(--space-xl) 0;
}

.segmented-bar span {
  height: 18px;
  background: var(--border);
}

.segmented-bar .filled {
  background: var(--text-display);
}

.meter-grid {
  justify-content: space-between;
  gap: 12px;
  color: var(--text-secondary);
}

.console {
  display: grid;
  grid-template-columns: 180px 260px minmax(360px, 1fr);
  gap: var(--space-md);
  padding: var(--space-2xl) 0;
}

.talent-panel {
  grid-column: 1 / -1;
}

.scene-panel,
.package-panel {
  border-top: 1px solid var(--border-visible);
  padding-top: var(--space-md);
}

.scene-tabs,
.topic-list {
  display: grid;
  gap: 6px;
  margin-top: var(--space-md);
}

.scene-tabs button,
.topic-card {
  min-height: 36px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-disabled);
  text-align: left;
  cursor: pointer;
}

.scene-tabs button.active {
  border-left-color: var(--accent);
  color: var(--text-display);
}

.topic-list {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
  gap: 8px;
}

.topic-card {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 64px;
  padding: 12px 10px;
  border-color: var(--border);
  border-radius: 8px;
  background: transparent;
  transition: border-color 160ms ease, background-color 160ms ease, color 160ms ease;
}

.topic-card:hover {
  border-color: var(--border-visible);
}

.topic-card:focus-visible,
.scene-tabs button:focus-visible,
.agent-card:focus-visible,
.primary-action:focus-visible,
.secondary-action:focus-visible,
.icon-button:focus-visible {
  outline: 1px solid var(--text-display);
  outline-offset: 2px;
}

.topic-copy {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.check-box {
  position: relative;
  flex: 0 0 17px;
  width: 17px;
  height: 17px;
  border: 1px solid var(--border-visible);
  border-radius: 4px;
  background: transparent;
}

.topic-card strong {
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.15;
}

.topic-card span {
  color: var(--text-disabled);
  font-family: "Space Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.topic-card.active {
  border-color: var(--text-display);
  background: transparent;
}

.topic-card.active .check-box {
  border-color: var(--accent);
  background: var(--accent);
}

.topic-card.active .check-box::after {
  position: absolute;
  left: 4px;
  top: 1px;
  width: 5px;
  height: 10px;
  border: solid var(--surface);
  border-width: 0 2px 2px 0;
  content: "";
  transform: rotate(45deg);
}

.topic-card.active strong {
  color: var(--text-display);
}

.topic-card.active span {
  color: var(--accent);
}

.talent-panel,
.detail-panel,
.deploy-console {
  padding: var(--space-lg);
}

.section-head,
.profile-head {
  justify-content: space-between;
  gap: var(--space-md);
}

.section-head h2,
.profile-head h2,
.deploy-copy h2 {
  margin: 5px 0 0;
  color: var(--text-display);
  font-size: 28px;
  font-weight: 500;
  line-height: 1.1;
}

.status-pill {
  color: var(--text-secondary);
}

.agent-list {
  display: flex;
  gap: 10px;
  margin-top: var(--space-lg);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  padding-bottom: 8px;
  scroll-snap-type: x mandatory;
}

.agent-card {
  display: grid;
  flex: 0 0 190px;
  gap: 8px;
  width: 190px;
  min-height: 210px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--black);
  color: var(--text-primary);
  text-align: left;
  cursor: pointer;
  scroll-snap-align: start;
}

.agent-card + .agent-card {
  margin-top: 0;
}

.persona-avatar {
  width: 64px;
  height: 64px;
  margin-bottom: 6px;
  border: 1px solid var(--border-visible);
  border-radius: 14px;
  object-fit: cover;
}

.agent-card small {
  color: var(--text-secondary);
  font-family: "Space Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.agent-card strong {
  color: var(--text-display);
  font-size: 17px;
  font-weight: 500;
}

.agent-card span {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.35;
}

.agent-card.active {
  border-color: var(--border);
  background: var(--surface);
  box-shadow: inset 3px 0 0 var(--accent);
}

.red-light {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
}

.profile-desc {
  max-width: 720px;
  margin: var(--space-lg) 0;
  color: var(--text-primary);
  font-size: 18px;
  font-weight: 300;
  line-height: 1.5;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: var(--space-xl) 0;
  background: var(--border);
}

.spec-grid div {
  display: grid;
  gap: 12px;
  min-height: 112px;
  padding: 16px;
  background: var(--surface);
}

.spec-grid strong {
  color: var(--text-display);
  font-size: 20px;
  font-weight: 500;
  line-height: 1.2;
}

.skill-strip {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border);
}

.compact span {
  color: var(--text-secondary);
  font-family: "Space Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
}

.skills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: var(--space-md);
}

.skill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 6px 12px;
  border: 1px solid var(--border-visible);
  border-radius: 999px;
  color: var(--text-primary);
}

.deploy {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 460px);
  gap: var(--space-3xl);
  align-items: start;
  padding: var(--space-3xl) 0;
  border-top: 1px solid var(--border);
}

.deploy-copy p:not(.panel-label) {
  max-width: 620px;
  color: var(--text-primary);
  font-size: 18px;
  font-weight: 300;
  line-height: 1.5;
}

.deploy-row {
  justify-content: space-between;
  gap: var(--space-md);
  min-height: 56px;
  border-bottom: 1px solid var(--border);
}

.deploy-row strong {
  color: var(--text-display);
  font-size: 15px;
  font-weight: 500;
  text-align: right;
}

.deploy-console .primary-action {
  margin-top: var(--space-lg);
}

.inline-state {
  margin: var(--space-md) 0 0;
  color: var(--success);
}

.command-box {
  display: none;
  width: 100%;
  min-height: 132px;
  margin-top: var(--space-md);
  padding: 12px;
  border: 1px solid var(--border-visible);
  border-radius: 8px;
  background: var(--black);
  color: var(--text-primary);
  font-family: "Space Mono", monospace;
  font-size: 12px;
  line-height: 1.5;
  resize: vertical;
}

.command-box.visible {
  display: block;
}

@media (max-width: 1080px) {
  .hero,
  .console,
  .deploy {
    grid-template-columns: 1fr;
  }

  .scene-panel,
  .package-panel {
    border-top: 0;
    padding-top: 0;
  }

  .scene-tabs {
    display: flex;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .scene-tabs button {
    min-width: max-content;
    padding: 0 12px;
    border-left: 0;
    border-bottom: 2px solid transparent;
  }

  .scene-tabs button.active {
    border-bottom-color: var(--accent);
  }
}

@media (max-width: 720px) {
  .page-shell {
    padding: 14px;
  }

  .topbar {
    grid-template-columns: 1fr 44px;
  }

  .nav-links {
    display: none;
  }

  .hero {
    gap: var(--space-xl);
    min-height: auto;
    padding-top: var(--space-2xl);
  }

  .hero h1 {
    gap: 10px;
  }

  .hero-title-latin {
    font-size: clamp(48px, 16vw, 78px);
  }

  .hero-title-cn {
    font-size: clamp(36px, 12vw, 58px);
  }

  .hero-line,
  .profile-desc,
  .deploy-copy p:not(.panel-label) {
    font-size: 16px;
  }

  .spec-grid {
    grid-template-columns: 1fr;
  }

  .meter-grid {
    display: grid;
    justify-content: stretch;
  }
}