:root {
  color-scheme: dark;
  --bg: #080b10;
  --surface: rgba(16, 21, 29, 0.86);
  --surface-strong: #121823;
  --line: rgba(190, 207, 230, 0.14);
  --line-strong: rgba(198, 216, 240, 0.24);
  --text: #f4f7fb;
  --muted: #8d99aa;
  --muted-bright: #b6c0cf;
  --ice: #a9d7ff;
  --violet: #c4b5fd;
  --mint: #8be8c2;
  --success: #63e6a7;
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--bg);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 0%, rgba(95, 124, 184, 0.16), transparent 34rem),
    radial-gradient(circle at 90% 20%, rgba(88, 68, 152, 0.13), transparent 30rem),
    linear-gradient(rgba(255, 255, 255, 0.021) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.021) 1px, transparent 1px),
    var(--bg);
  background-size: auto, auto, 48px 48px, 48px 48px, auto;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.workspace-shell {
  width: min(1180px, calc(100% - 64px));
  margin: 0 auto;
  padding: 34px 0 28px;
}

.masthead,
.footer,
.server-panel,
.card-topline,
.card-action {
  display: flex;
  align-items: center;
}

.masthead {
  justify-content: space-between;
  padding-bottom: 58px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--ice);
  font: 700 11px/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: 0.08em;
}

.brand-word {
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0.22em;
}

.environment-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.environment-label span,
.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 14px rgba(99, 230, 167, 0.55);
}

.intro {
  max-width: 740px;
  margin-bottom: 42px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--muted);
  font: 650 11px/1.2 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.intro h1 {
  margin: 0;
  font-size: clamp(44px, 7vw, 78px);
  font-weight: 650;
  letter-spacing: -0.058em;
  line-height: 0.98;
}

.intro-copy {
  max-width: 520px;
  margin: 22px 0 0;
  color: var(--muted-bright);
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.55;
}

.workspace-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.workspace-card {
  position: relative;
  display: flex;
  min-height: 350px;
  flex-direction: column;
  overflow: hidden;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.046), rgba(255, 255, 255, 0.015)), var(--surface);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.18);
}

.workspace-card::before {
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  background: var(--card-accent);
  content: "";
  opacity: 0.72;
}

.card-chat {
  --card-accent: var(--ice);
}

.card-cowork {
  --card-accent: var(--violet);
}

.card-code {
  --card-accent: var(--mint);
}

.card-topline {
  justify-content: space-between;
  color: var(--muted);
  font: 650 10px/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: 0.15em;
}

.card-mode {
  color: var(--card-accent);
}

.card-copy {
  margin-top: 66px;
}

.card-copy h2 {
  margin: 0 0 12px;
  font-size: 34px;
  font-weight: 600;
  letter-spacing: -0.035em;
}

.card-copy p {
  max-width: 250px;
  min-height: 48px;
  margin: 0;
  color: var(--muted-bright);
  font-size: 15px;
  line-height: 1.55;
}

.card-hint {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
}

.card-action {
  justify-content: space-between;
  min-height: 50px;
  margin-top: auto;
  padding: 0 16px;
  border: 1px solid var(--line-strong);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.035);
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  transition: border-color 150ms ease, background-color 150ms ease, transform 150ms ease;
}

.card-action:hover {
  border-color: var(--card-accent);
  background: rgba(255, 255, 255, 0.07);
  transform: translateY(-1px);
}

.card-action:focus-visible,
.footer a:focus-visible,
.brand:focus-visible {
  outline: 3px solid rgba(169, 215, 255, 0.48);
  outline-offset: 4px;
}

.arrow {
  color: var(--card-accent);
  font-size: 16px;
}

.server-panel {
  justify-content: space-between;
  gap: 32px;
  margin-top: 16px;
  padding: 25px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(12, 16, 23, 0.76);
}

.server-panel h2 {
  margin: 0;
  font-size: 20px;
  font-weight: 580;
  letter-spacing: -0.02em;
}

.status-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.status-list li {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--muted-bright);
  font-size: 12px;
}

.status-dot {
  width: 6px;
  height: 6px;
  box-shadow: none;
}

.footer {
  justify-content: space-between;
  gap: 24px;
  padding: 28px 2px 0;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.03em;
}

.footer nav {
  display: flex;
  gap: 22px;
}

.footer a {
  color: var(--muted);
  text-decoration: none;
}

.footer a:hover {
  color: var(--text);
}

@media (max-width: 860px) {
  .workspace-shell {
    width: min(100% - 36px, 680px);
  }

  .masthead {
    padding-bottom: 44px;
  }

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

  .workspace-card {
    min-height: 290px;
  }

  .card-copy {
    margin-top: 42px;
  }

  .server-panel {
    align-items: flex-start;
    flex-direction: column;
  }

  .status-list {
    justify-content: flex-start;
  }
}

@media (max-width: 520px) {
  .workspace-shell {
    width: calc(100% - 28px);
    padding-top: 20px;
  }

  .environment-label {
    display: none;
  }

  .intro {
    margin-bottom: 30px;
  }

  .intro h1 {
    font-size: 44px;
  }

  .workspace-card {
    min-height: 276px;
    padding: 20px;
    border-radius: 18px;
  }

  .card-copy h2 {
    font-size: 30px;
  }

  .server-panel {
    padding: 22px;
    border-radius: 18px;
  }

  .status-list {
    flex-direction: column;
    gap: 12px;
  }

  .footer {
    align-items: flex-start;
    flex-direction: column-reverse;
  }
}

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