/* Shared Vadi-Pehn color system — matches the child portal.
   Dark is the default. Add html.light-theme for the light variant.
   The marketing homepage at / keeps its own light look. */

:root {
  --brand-primary: #7c3aed;
  --brand-primary-hover: #6d28d9;
  --brand-primary-light: #a78bfa;
  --brand-secondary: #00bbf9;
  --accent-pink: #ec4899;
  --bg-stage: linear-gradient(135deg, #2e1065 0%, #1e1b4b 50%, #0f172a 100%);
  --card-glass: rgba(255, 255, 255, 0.12);
  --card-border: rgba(255, 255, 255, 0.18);
  --text-main: #f8fafc;
  --text-muted: #cbd5e1;
  --input-bg: rgba(255, 255, 255, 0.08);
  --input-surface: #1e1b4b;
  --danger: #f87171;
  --success: #34d399;
  --overlay: rgba(15, 10, 40, 0.72);

  --bg: var(--bg-stage);
  --bg-dark: #1e1b4b;
  --card: rgba(30, 27, 75, 0.78);
  --border: var(--card-border);
  --text: var(--text-main);
  --muted: var(--text-muted);
  --accent: var(--brand-secondary);
  --accent-2: var(--accent-pink);
  --bg-sidebar: rgba(30, 27, 75, 0.78);
  --bg-main: transparent;
  --card-bg: var(--card-glass);
  --border-color: var(--card-border);
  --text-dark: var(--text-main);
  --surface: rgba(255, 255, 255, 0.12);
  --surface-2: rgba(255, 255, 255, 0.08);
  --hover: rgba(255, 255, 255, 0.1);
  --nav-active-bg: rgba(167, 139, 250, 0.22);
  --nav-active-text: #e9d5ff;
  --font-display: "Outfit", sans-serif;
  --font-body: "Inter", "Source Sans 3", sans-serif;
  color-scheme: dark;
}

html {
  background: var(--bg-stage);
}

html.light-theme {
  --bg-stage: linear-gradient(135deg, #e0e7ff 0%, #ddd6fe 40%, #bae6fd 100%);
  --card-glass: rgba(255, 255, 255, 0.75);
  --card-border: rgba(255, 255, 255, 0.6);
  --text-main: #0f172a;
  --text-muted: #475569;
  --input-bg: rgba(255, 255, 255, 0.85);
  --input-surface: #ffffff;
  --danger: #dc2626;
  --success: #059669;
  --overlay: rgba(224, 231, 255, 0.62);
  --card: rgba(255, 255, 255, 0.82);
  --bg-dark: #e0e7ff;
  --bg-sidebar: rgba(255, 255, 255, 0.78);
  --card-bg: rgba(255, 255, 255, 0.82);
  --surface: rgba(255, 255, 255, 0.88);
  --surface-2: rgba(241, 245, 249, 0.9);
  --hover: rgba(241, 245, 249, 0.95);
  --nav-active-bg: #f3e8ff;
  --nav-active-text: #7c3aed;
  color-scheme: light;
}

.vadi-theme-toggle {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 50;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--card-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--card-border);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
  transition: transform 0.2s ease;
}

.vadi-theme-toggle:hover {
  transform: scale(1.08);
}

.vadi-theme-toggle:focus-visible {
  outline: 2px solid var(--brand-secondary);
  outline-offset: 2px;
}