/* ============================================
   THEMES — Color schemes, menu variants, layouts
   ============================================ */

/* ---------- THEME: AQUAMARINE (default) ---------- */
:root,
[data-theme="aquamarine"] {
  --color-primary: #0E5E6F;
  --color-primary-hover: #0a4a58;
  --color-accent: #17A2B8;
  --color-accent-hover: #138a9c;
  --color-secondary: #6CC4A1;
  --color-secondary-hover: #5ab08d;
  --color-bg: #F8F6F0;
  --color-bg-alt: #FFFFFF;
  --color-text: #2D3748;
  --color-text-light: #718096;
  --color-border: #E2E8F0;
  --color-error: #E53E3E;
  --color-success: #38A169;
  --color-warning: #D69E2E;

  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
  --gradient-accent: linear-gradient(135deg, var(--color-accent) 0%, var(--color-secondary) 100%);

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
}

/* ---------- THEME: LAVENDER ---------- */
[data-theme="lavender"] {
  --color-primary: #6C5B7B;
  --color-primary-hover: #5a4a66;
  --color-accent: #6CC4A1;
  --color-accent-hover: #5ab08d;
  --color-secondary: #F8B195;
  --color-secondary-hover: #f69a7a;
  --color-bg: #FDFBF7;
  --color-bg-alt: #FFFFFF;
  --color-text: #2D3748;
  --color-text-light: #718096;
  --color-border: #E2E8F0;
  --color-error: #E53E3E;
  --color-success: #38A169;
  --color-warning: #D69E2E;

  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
  --gradient-accent: linear-gradient(135deg, var(--color-accent) 0%, var(--color-secondary) 100%);
}

/* ---------- THEME: SEABREEZE ---------- */
[data-theme="seabreeze"] {
  --color-primary: #1A3A5C;
  --color-primary-hover: #142e4a;
  --color-accent: #00B4D8;
  --color-accent-hover: #0096b7;
  --color-secondary: #FF6B6B;
  --color-secondary-hover: #e55555;
  --color-bg: #F0F7FA;
  --color-bg-alt: #FFFFFF;
  --color-text: #2D3748;
  --color-text-light: #718096;
  --color-border: #E2E8F0;
  --color-error: #E53E3E;
  --color-success: #38A169;
  --color-warning: #D69E2E;

  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
  --gradient-accent: linear-gradient(135deg, var(--color-accent) 0%, var(--color-secondary) 100%);
}

/* ---------- MENU VARIANTS ---------- */

/* Classic menu — solid background, standard links */
[data-menu="classic"] .header {
  background: var(--color-bg-alt);
  box-shadow: var(--shadow-sm);
}

[data-menu="classic"] .nav-link {
  color: var(--color-text);
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

[data-menu="classic"] .nav-link:hover,
[data-menu="classic"] .nav-link.active {
  color: var(--color-primary);
  background: var(--color-bg);
}

/* Glass menu — frosted glass effect */
[data-menu="glass"] .header {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

[data-menu="glass"] .nav-link {
  color: var(--color-text);
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  transition: all 0.2s ease;
}

[data-menu="glass"] .nav-link:hover,
[data-menu="glass"] .nav-link.active {
  color: var(--color-primary);
  background: rgba(14, 94, 111, 0.08);
}

/* Minimal menu — no background, underline links */
[data-menu="minimal"] .header {
  background: transparent;
  box-shadow: none;
  border-bottom: 1px solid var(--color-border);
}

[data-menu="minimal"] .nav-link {
  color: var(--color-text-light);
  font-weight: 500;
  padding: 0.5rem 0;
  margin: 0 1rem;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
}

[data-menu="minimal"] .nav-link:hover,
[data-menu="minimal"] .nav-link.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* ---------- LAYOUT WIDTHS ---------- */

/* Full width — no max-width constraint */
[data-layout="full"] .container {
  max-width: 100%;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Boxed — standard max-width */
[data-layout="boxed"] .container {
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Narrow — reading-optimized width */
[data-layout="narrow"] .container {
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* ---------- BACKGROUND PATTERNS ---------- */

/* Grid pattern */
[data-bg="grid"] .hero,
[data-bg="grid"] .section-alt {
  background-image:
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* Dots pattern */
[data-bg="dots"] .hero,
[data-bg="dots"] .section-alt {
  background-image: radial-gradient(var(--color-border) 1px, transparent 1px);
  background-size: 20px 20px;
}

/* Clean — no pattern */
[data-bg="clean"] .hero,
[data-bg="clean"] .section-alt {
  background-image: none;
}