:root {
  --sys-font-sans: "Inter Variable", "Inter", ui-sans-serif, sans-serif;
  --sys-font-mono: "JetBrains Mono Variable", "JetBrains Mono", ui-monospace, monospace;
  --sys-radius: 2px;
  --sys-radius-card: 4px;
  --sys-dur-fast: 120ms;
  --sys-dur-base: 200ms;
  --sys-dur-slow: 300ms;
  --sys-ease: cubic-bezier(0.2, 0, 0.2, 1);
  --accent-ui: #5ec5d6;
  --accent-ui-soft: #8dd9e5;
  --accent-ui-text: #0e5d6b;
  --accent-map: #ff6b35;
  --state-pass: #16a34a;
  --state-warn: #ffbe00;
  --state-fail: #dc2626;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0a0a0a;
  --fg: #f5f5f5;
  --muted: #a3a3a3;
  --surface: #111111;
  --surface-2: #161616;
  --border: #262626;
  --border-strong: #404040;
  --link: #5ec5d6;
}

[data-theme="light"] {
  color-scheme: light;
  --bg: #ffffff;
  --fg: #0a0a0a;
  --muted: #404040;
  --surface: #f5f5f5;
  --surface-2: #e5e5e5;
  --border: #d4d4d4;
  --border-strong: #a3a3a3;
  --link: #0e5d6b;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    color-scheme: light;
    --bg: #ffffff;
    --fg: #0a0a0a;
    --muted: #404040;
    --surface: #f5f5f5;
    --surface-2: #e5e5e5;
    --border: #d4d4d4;
    --border-strong: #a3a3a3;
    --link: #0e5d6b;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0s !important;
    transition-duration: 0s !important;
  }
}

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

:focus-visible {
  outline: 2px solid var(--accent-ui);
  outline-offset: 2px;
  border-radius: var(--sys-radius);
}

/*
 * Shared skip-link: visually hidden until focused, then revealed top-left.
 * Per-page markup (<a class="skip-link" href="#main">Skip to content</a>) is
 * added by other ship-readiness units; this provides only the shared style.
 * Visible focus styling uses existing design tokens so it tracks the theme.
 */
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
}

.skip-link:focus {
  left: 8px;
  top: 8px;
  z-index: 1000;
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 6px 12px;
  border: 1px solid var(--accent-ui);
  border-radius: var(--sys-radius-card);
  color: var(--fg);
  background: var(--surface);
  font-family: var(--sys-font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-decoration: none;
  outline: 2px solid var(--accent-ui);
  outline-offset: 2px;
}

.atlas-owner-nav {
  color: var(--fg);
}

.atlas-owner-nav.topbar {
  gap: 18px;
  padding: 14px 24px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 10px;
  color: var(--fg);
  font-family: var(--sys-font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.atlas-owner-nav .wordmark {
  min-height: 42px;
  padding: 0 10px;
}

.atlas-nav-actions {
  display: flex;
  flex: 1 1 auto;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  min-width: 0;
}

.atlas-nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  min-width: 0;
  max-width: 100%;
}

.atlas-owner-nav .atlas-nav-links {
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: var(--sys-radius-card);
  background: var(--surface);
}

.atlas-nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: var(--sys-radius-card);
  color: var(--fg);
  background: rgba(17, 17, 17, 0.72);
  font-family: var(--sys-font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
  transition-property: background, border-color, color;
  transition-duration: var(--sys-dur-fast);
  transition-timing-function: var(--sys-ease);
}

.atlas-nav-link:hover,
.atlas-nav-link:focus-visible {
  border-color: rgba(94, 197, 214, 0.5);
  color: var(--accent-ui);
  background: rgba(94, 197, 214, 0.1);
}

.atlas-nav-link[data-emphasis="primary"] {
  border-color: rgba(94, 197, 214, 0.4);
  color: var(--accent-ui);
}

.atlas-nav-link[data-emphasis="download"] {
  border-color: rgba(22, 163, 74, 0.4);
  color: #86efac;
}

.atlas-owner-nav .atlas-nav-link {
  border-color: transparent;
  color: var(--muted);
  background: transparent;
  font-size: 12px;
  letter-spacing: 0;
}

.atlas-owner-nav .atlas-nav-link:hover,
.atlas-owner-nav .atlas-nav-link:focus-visible,
.atlas-owner-nav .atlas-nav-link[aria-current="page"] {
  border-color: var(--border-strong);
  color: var(--fg);
  background: var(--surface-2);
}

.atlas-action-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
}

.atlas-account-nav {
  width: min(100%, 960px);
  max-width: 100%;
  min-width: 0;
  margin: 0 0 32px;
  padding: 0;
}

.atlas-account-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

a.action,
button.action,
.btn-import,
.btn-sign,
.btn-extract,
.btn-approve {
  min-height: 44px;
  justify-content: center;
  border-radius: var(--sys-radius-card);
}

.breadcrumb a,
.back-link,
footer a,
.page-footer a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
}

@media (max-width: 900px) {
  .atlas-nav-actions,
  .atlas-nav-links {
    justify-content: flex-start;
    overflow-x: auto;
    scrollbar-width: thin;
  }

  .atlas-account-nav-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .atlas-owner-nav.topbar {
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px 12px;
  }

  .atlas-owner-nav .atlas-nav-actions,
  .atlas-account-nav .atlas-nav-links {
    flex: 1 1 100%;
    width: 100%;
  }

  .atlas-owner-nav .atlas-nav-links,
  .atlas-account-nav .atlas-nav-links {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: 100%;
    overflow-x: visible;
  }

  .atlas-owner-nav .atlas-nav-links::-webkit-scrollbar,
  .atlas-account-nav .atlas-nav-links::-webkit-scrollbar {
    display: none;
  }

  .atlas-owner-nav .atlas-nav-link,
  .atlas-account-nav .atlas-nav-link {
    min-height: 42px;
    padding: 0 10px;
    font-size: 11px;
  }
}