/* /css/nova-shared.css — Shared tokens + components for Nova surfaces */

/* ── Tokens (dark default) ── */
:root {
  --nv-bg: #071019;
  --nv-text: #e2e8f0;
  --nv-text-secondary: rgba(148, 163, 184, 0.65);
  --nv-text-tertiary: rgba(148, 163, 184, 0.45);
  --nv-accent: #a78bfa;
  --nv-accent-deep: #7c3aed;
  --nv-accent-muted: rgba(167, 139, 250, 0.8);
  --nv-border: rgba(148, 163, 184, 0.1);
  --nv-border-strong: rgba(148, 163, 184, 0.14);
  --nv-border-hover: rgba(167, 139, 250, 0.24);
  --nv-card-bg: rgba(15, 23, 42, 0.46);
  --nv-card-bg-alt: rgba(15, 20, 35, 0.35);
  --nv-hero-grad-from: rgba(167, 139, 250, 0.08);
  --nv-hero-grad-to: rgba(15, 20, 35, 0);
  --nv-hero-border: rgba(148, 163, 184, 0.06);
  --nv-icon-dim: 0.3;
  --nv-pill-bg: rgba(15, 20, 35, 0.35);
  --nv-pill-text: rgba(203, 213, 225, 0.72);
  --nv-pill-border: rgba(148, 163, 184, 0.14);
  --nv-pill-hover-bg: rgba(167, 139, 250, 0.06);
  --nv-pill-active-bg: rgba(167, 139, 250, 0.08);
  --nv-pill-active-text: rgba(167, 139, 250, 0.9);
  --nv-pill-active-border: rgba(167, 139, 250, 0.28);
  --nv-chip-bg: rgba(148, 163, 184, 0.08);
  --nv-chip-text: rgba(148, 163, 184, 0.7);
}

/* ── Light overrides ── */
[data-theme="light"] {
  --nv-bg: #EDEEF1;
  --nv-text: #1a2a44;
  --nv-text-secondary: #475569;
  --nv-text-tertiary: #94a3b8;
  --nv-accent: #7c3aed;
  --nv-accent-deep: #5b21b6;
  --nv-accent-muted: #6d28d9;
  --nv-border: rgba(0, 0, 0, 0.08);
  --nv-border-strong: rgba(0, 0, 0, 0.1);
  --nv-border-hover: rgba(124, 58, 237, 0.25);
  --nv-card-bg: rgba(255, 255, 255, 0.8);
  --nv-card-bg-alt: rgba(255, 255, 255, 0.6);
  --nv-hero-grad-from: rgba(124, 58, 237, 0.06);
  --nv-hero-grad-to: rgba(237, 238, 241, 0);
  --nv-hero-border: rgba(0, 0, 0, 0.06);
  --nv-icon-dim: 0.5;
  --nv-pill-bg: rgba(255, 255, 255, 0.7);
  --nv-pill-text: #475569;
  --nv-pill-border: rgba(0, 0, 0, 0.1);
  --nv-pill-hover-bg: rgba(124, 58, 237, 0.06);
  --nv-pill-active-bg: rgba(124, 58, 237, 0.08);
  --nv-pill-active-text: #6d28d9;
  --nv-pill-active-border: rgba(124, 58, 237, 0.25);
  --nv-chip-bg: rgba(0, 0, 0, 0.06);
  --nv-chip-text: #64748b;
}

/* ── Icon Utility ── */
.cf-ico {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: -0.125em;
  flex-shrink: 0;
}

/* ── Breadcrumb ── */
.nv-breadcrumb {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--nv-text-tertiary);
  margin: 0 0 0.45rem;
}

.nv-breadcrumb a {
  color: var(--nv-text-tertiary);
  text-decoration: none;
  transition: color 0.15s;
}

.nv-breadcrumb a:hover {
  color: var(--nv-accent-muted);
}

/* ── Hero ── */
.nv-hero {
  padding: 7rem 1.5rem 2.15rem;
  background: linear-gradient(180deg, var(--nv-hero-grad-from) 0%, var(--nv-hero-grad-to) 100%);
  border-bottom: 1px solid var(--nv-hero-border);
}

.nv-hero-inner {
  max-width: 960px;
  margin: 0 auto;
}

.nv-title {
  margin: 0;
  font-size: 1.72rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--nv-text);
}

.nv-title .cf-ico {
  opacity: var(--nv-icon-dim);
}

.nv-subtitle {
  margin: 0.45rem 0 0.8rem;
  font-size: 0.9rem;
  color: var(--nv-text-secondary);
}

/* ── Chips ── */
.nv-chip-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.nv-chip {
  font-size: 0.56rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border-radius: 5px;
  font-weight: 600;
  color: var(--nv-chip-text);
  background: var(--nv-chip-bg);
}

/* ── Pill Link ── */
.nv-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  font-size: 0.76rem;
  color: var(--nv-pill-text);
  border: 1px solid var(--nv-pill-border);
  border-radius: 8px;
  padding: 6px 12px;
  background: var(--nv-pill-bg);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.nv-pill:hover {
  border-color: var(--nv-border-hover);
  color: var(--nv-text);
  background: var(--nv-pill-hover-bg);
}

.nv-pill--active {
  border-color: var(--nv-pill-active-border);
  color: var(--nv-pill-active-text);
  background: var(--nv-pill-active-bg);
}

.nv-pill--ghost {
  color: var(--nv-text-tertiary);
  border-color: var(--nv-border);
  background: var(--nv-card-bg-alt);
}

.nv-pill-badge {
  font-size: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 1px 5px;
  border-radius: 3px;
  background: var(--nv-chip-bg);
  color: var(--nv-text-tertiary);
}

/* ── Content Shell ── */
.nv-shell {
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem 1.5rem 3rem;
}

/* ── Top Nav ── */
.nv-top-nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

/* ── Section ── */
.nv-section {
  margin-bottom: 2.5rem;
}

.nv-section-title {
  margin: 0 0 0.8rem;
  font-size: 1.32rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--nv-text);
}

.nv-section-title .cf-ico {
  opacity: var(--nv-icon-dim);
}

/* ── Card ── */
.nv-card {
  border: 1px solid var(--nv-border);
  border-radius: 12px;
  background: var(--nv-card-bg);
  padding: 1rem;
}

/* ── Surfaces Nav ── */
.nv-surfaces {
  margin-top: 0.5rem;
  padding: 1.2rem 1.3rem;
  border-radius: 12px;
  border: 1px solid var(--nv-border);
  background: var(--nv-card-bg-alt);
}

.nv-surfaces-label {
  margin: 0 0 0.15rem;
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--nv-text-tertiary);
  font-weight: 600;
}

.nv-surfaces-sub {
  margin: 0 0 0.85rem;
  font-size: 0.75rem;
  color: var(--nv-text-tertiary);
}

.nv-surfaces-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ── Responsive ── */
@media (max-width: 760px) {
  .nv-shell {
    padding: 0.9rem 1rem 2.4rem;
  }

  .nv-hero {
    padding: 6rem 1rem 1.8rem;
  }

  .nv-title {
    font-size: 1.42rem;
  }

  .nv-surfaces {
    padding: 1rem;
  }
}