/**
 * Theme Variables - Custom Theming System
 * 
 * Defines CSS custom properties for all 8 theme variants:
 * - Summer (Light/Dark)
 * - Autumn (Light/Dark)
 * - Winter (Light/Dark)
 * - Spring (Light/Dark)
 * 
 * Uses Bootstrap 5.3 CSS custom property naming convention
 */

/* ===== SUMMER LIGHT ===== */
[data-theme="summer-light"] {
  --bs-primary: #FF9F40;
  --bs-secondary: #FFD93D;
  --bs-success: #6BCF7F;
  --bs-danger: #E74C3C;
  --bs-warning: #F39C12;
  --bs-info: #3498DB;
  --bs-body-bg: #FFFEF7;
  --bs-body-color: #2C2416;
  --bs-secondary-color: #6C5D4F;
  --bs-secondary-bg: #FFF8E7;
  --bs-border-color: #FFE8B3;
  --bs-link-color: #E67E22;
  --bs-link-hover-color: #D35400;
  --bs-card-bg: #FFFFFF;
}

/* ===== SUMMER DARK ===== */
[data-theme="summer-dark"] {
  --bs-primary: #FF9F40;
  --bs-secondary: #FFD93D;
  --bs-success: #6BCF7F;
  --bs-danger: #E74C3C;
  --bs-warning: #F39C12;
  --bs-info: #3498DB;
  --bs-body-bg: #2C2416;
  --bs-body-color: #FFFEF7;
  --bs-secondary-color: #B8A890;
  --bs-secondary-bg: #3D3020;
  --bs-border-color: #4A3D2A;
  --bs-link-color: #FFB366;
  --bs-link-hover-color: #FFD699;
  --bs-card-bg: #342A1A;
}

/* ===== AUTUMN LIGHT ===== */
[data-theme="autumn-light"] {
  --bs-primary: #E67E22;
  --bs-secondary: #D35400;
  --bs-success: #27AE60;
  --bs-danger: #C0392B;
  --bs-warning: #F39C12;
  --bs-info: #8E44AD;
  --bs-body-bg: #FFF8F0;
  --bs-body-color: #4A3020;
  --bs-secondary-color: #7D5A3A;
  --bs-secondary-bg: #FFE8D6;
  --bs-border-color: #F0D0B0;
  --bs-link-color: #A04000;
  --bs-link-hover-color: #803300;
  --bs-card-bg: #FFFFFF;
}

/* ===== AUTUMN DARK ===== */
[data-theme="autumn-dark"] {
  --bs-primary: #E67E22;
  --bs-secondary: #D35400;
  --bs-success: #27AE60;
  --bs-danger: #C0392B;
  --bs-warning: #F39C12;
  --bs-info: #8E44AD;
  --bs-body-bg: #231A14;
  --bs-body-color: #FFF8F0;
  --bs-secondary-color: #C9B299;
  --bs-secondary-bg: #2F231A;
  --bs-border-color: #3D2E20;
  --bs-link-color: #FF9F5C;
  --bs-link-hover-color: #FFB580;
  --bs-card-bg: #2A1F16;
}

/* ===== WINTER LIGHT ===== */
[data-theme="winter-light"] {
  --bs-primary: #3498DB;
  --bs-secondary: #5DADE2;
  --bs-success: #1ABC9C;
  --bs-danger: #E74C3C;
  --bs-warning: #F39C12;
  --bs-info: #9B59B6;
  --bs-body-bg: #F0F4F8;
  --bs-body-color: #1C2833;
  --bs-secondary-color: #546E7A;
  --bs-secondary-bg: #E8EFF5;
  --bs-border-color: #BDC3C7;
  --bs-link-color: #2874A6;
  --bs-link-hover-color: #1F5A7F;
  --bs-card-bg: #FFFFFF;
}

/* ===== WINTER DARK ===== */
[data-theme="winter-dark"] {
  --bs-primary: #3498DB;
  --bs-secondary: #5DADE2;
  --bs-success: #1ABC9C;
  --bs-danger: #E74C3C;
  --bs-warning: #F39C12;
  --bs-info: #9B59B6;
  --bs-body-bg: #1A252F;
  --bs-body-color: #F0F4F8;
  --bs-secondary-color: #90A4AE;
  --bs-secondary-bg: #243342;
  --bs-border-color: #34495E;
  --bs-link-color: #5DADE2;
  --bs-link-hover-color: #85C1E9;
  --bs-card-bg: #1F2A36;
}

/* ===== SPRING LIGHT ===== */
[data-theme="spring-light"] {
  --bs-primary: #27AE60;
  --bs-secondary: #2ECC71;
  --bs-success: #1ABC9C;
  --bs-danger: #E74C3C;
  --bs-warning: #F39C12;
  --bs-info: #9B59B6;
  --bs-body-bg: #F4FFF8;
  --bs-body-color: #1E3A2A;
  --bs-secondary-color: #4A7C59;
  --bs-secondary-bg: #E8F8F0;
  --bs-border-color: #C7CEEA;
  --bs-link-color: #1E8449;
  --bs-link-hover-color: #186A3B;
  --bs-card-bg: #FFFFFF;
}

/* ===== SPRING DARK ===== */
[data-theme="spring-dark"] {
  --bs-primary: #27AE60;
  --bs-secondary: #2ECC71;
  --bs-success: #1ABC9C;
  --bs-danger: #E74C3C;
  --bs-warning: #F39C12;
  --bs-info: #9B59B6;
  --bs-body-bg: #182420;
  --bs-body-color: #F4FFF8;
  --bs-secondary-color: #A8C9B5;
  --bs-secondary-bg: #213429;
  --bs-border-color: #2E4A3A;
  --bs-link-color: #58D68D;
  --bs-link-hover-color: #7DCEA0;
  --bs-card-bg: #1D2B26;
}