/* ─── Glass Calm — opt-in via body.theme-glass ─────────────────────────── */

body.theme-glass {
  color: var(--gc-ink);
  background:
    radial-gradient(120% 80% at 0% 0%, #d9e6df 0%, transparent 55%),
    radial-gradient(100% 90% at 100% 10%, #e4dcef 0%, transparent 55%),
    radial-gradient(80% 60% at 100% 100%, #f4e9d8 0%, transparent 50%),
    radial-gradient(60% 50% at 30% 100%, #d8e3f0 0%, transparent 55%),
    linear-gradient(180deg, #eef1f5 0%, #f5f1ec 100%);
  background-attachment: fixed;
}

body.theme-glass .shell {
  padding: 20px;
  gap: 20px;
  height: auto;
  min-height: 100vh;
  overflow: visible;
}

/* Glass sidebar: white panel with soft shadow (brand mode keeps navy) */
body.theme-glass .sidebar {
  background: #ffffff;
  backdrop-filter: blur(28px) saturate(160%);
  -webkit-backdrop-filter: blur(28px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.95);
  border-radius: 24px;
  box-shadow:
    0 1px 3px rgba(28, 31, 41, 0.04),
    0 8px 32px rgba(28, 31, 41, 0.1),
    0 24px 64px rgba(28, 31, 41, 0.06);
  position: sticky;
  top: 20px;
  height: fit-content;
  max-height: calc(100vh - 40px);
}

body.theme-glass .sidebar-logo {
  flex-direction: column;
  align-items: flex-start;
  border-bottom: 1px solid var(--gc-divider);
}
body.theme-glass .sidebar-logo-mark {
  background: transparent;
  box-shadow: none;
  padding: 6px 4px;
}

body.theme-glass .sidebar-logo-img {
  filter: none;
  height: 36px;
}

body.theme-glass .nav-section-label {
  color: var(--gc-ink-3);
}
body.theme-glass .sidebar-footer {
  border-top: 1px solid var(--gc-divider);
  color: var(--gc-ink-3);
}
body.theme-glass .nav-item {
  color: var(--gc-ink-2);
  border-radius: 12px;
}
body.theme-glass .nav-item:hover {
  background: var(--signo-blue-20);
  color: var(--signo-blue);
}
body.theme-glass .nav-item.active {
  background: var(--signo-blue-20);
  color: var(--signo-blue);
  font-weight: 700;
  box-shadow: inset 0 0 0 1px rgba(10, 68, 121, 0.08);
}
body.theme-glass .nav-item.active::before {
  display: block;
  background: var(--signo-green);
}
body.theme-glass .nav-item.active .nav-icon,
body.theme-glass .nav-item:hover .nav-icon {
  color: var(--signo-blue);
  opacity: 1;
}

body.theme-glass .topbar {
  backdrop-filter: blur(28px) saturate(160%);
  -webkit-backdrop-filter: blur(28px) saturate(160%);
  border: 1px solid var(--gc-glass-edge);
  border-bottom: 1px solid var(--gc-glass-edge);
  border-radius: 20px;
  box-shadow: var(--gc-glass-shadow);
}

body.theme-glass .topbar-chip { display: inline-flex; }
body.theme-glass .content { padding: 4px 2px 24px; }

body.theme-glass .page-title {
  font-size: 36px;
  letter-spacing: -0.02em;
  border-bottom: none;
  padding-bottom: 0;
  display: block;
}

body.theme-glass .card,
body.theme-glass .stat-card {
  background: var(--gc-glass-strong);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border: 1px solid var(--gc-glass-edge);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
}
body.theme-glass .stat-card::before {
  display: block;
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 70%;
  height: 140%;
  background: radial-gradient(closest-side, rgba(137,183,156,0.22), transparent);
  pointer-events: none;
}
body.theme-glass .stat-card:hover { transform: translateY(-2px); }
body.theme-glass .stat-value { font-size: 48px; letter-spacing: -0.025em; }
body.theme-glass .stat-label {
  font-size: 13px;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--gc-ink-2);
}

body.theme-glass .btn-primary {
  background: var(--signo-blue);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 12px rgba(10, 68, 121, 0.25);
}
body.theme-glass .btn-primary:hover {
  background: var(--signo-blue-dark);
  transform: translateY(-1px);
}
body.theme-glass .btn-secondary {
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: var(--signo-blue);
  color: var(--signo-blue);
  box-shadow: var(--gc-glass-shadow);
}
body.theme-glass .btn-secondary:hover {
  background: var(--signo-blue-20);
}
body.theme-glass .btn-ghost {
  background: var(--gc-glass-strong);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--gc-glass-shadow);
}
body.theme-glass .btn { border-radius: 14px; }

body.theme-glass .tabs {
  background: var(--gc-glass);
  backdrop-filter: blur(16px) saturate(160%);
  border: 1px solid var(--gc-glass-edge);
  border-radius: 18px;
  border-bottom: 1px solid var(--gc-glass-edge);
  padding: 6px;
}
body.theme-glass .tab-btn.active {
  background: var(--gc-glass-strong);
  box-shadow: var(--gc-glass-shadow);
  border-bottom-color: transparent;
  color: var(--signo-blue);
}
body.theme-glass .tab-btn:hover {
  color: var(--signo-blue);
}
body.theme-glass .page-title {
  color: var(--text-body);
  border-bottom-color: var(--signo-blue);
}
body.theme-glass .topbar-title {
  color: var(--signo-blue);
}
body.theme-glass .topbar-avatar {
  background: var(--signo-blue);
}

body.theme-glass .form-control {
  background: rgba(255,255,255,0.55);
  border-color: rgba(255,255,255,0.70);
  border-radius: 12px;
}

body.theme-glass .badge {
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.55);
}
body.theme-glass .badge::before { display: block; }