/* ===========================
   ThirdSpace - CSS Custom Properties
   Dynamic theming foundation
   =========================== */

:root {
    /* Primary brand colors */
    --color-primary: #6B8E6B;
    --color-primary-dark: #4A634A;
    --color-primary-light: #8BAF8B;
    --color-primary-rgb: 107, 142, 107;

    /* Secondary/Accent */
    --color-secondary: #D7C9AA;
    --color-secondary-dark: #C4B48E;
    --color-accent: #F4F1EA;

    /* Neutral palette */
    --color-bg: #FFFFFF;
    --color-bg-secondary: #F9FAFB;
    --color-bg-tertiary: #F3F4F6;
    --color-surface: #FFFFFF;
    --color-border: #E5E7EB;
    --color-border-light: #F3F4F6;

    /* Text colors */
    --color-text: #1F2937;
    --color-text-secondary: #6B7280;
    --color-text-muted: #9CA3AF;
    --color-text-inverse: #FFFFFF;

    /* Semantic colors */
    --color-success: #059669;
    --color-error: #DC2626;
    --color-warning: #D97706;
    --color-info: #2563EB;

    /* Component tokens */
    --nav-active: var(--color-primary);
    --btn-primary-bg: var(--color-primary);
    --btn-primary-hover: var(--color-primary-dark);
    --chat-mine-bg: var(--color-primary);
    --report-btn-active-bg: var(--color-primary);
    --tap-highlight: rgba(var(--color-primary-rgb), 0.2);
    --focus-ring: rgba(var(--color-primary-rgb), 0.15);

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.03);

    /* Border radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.25rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

/* Dark mode overrides */
.dark {
    --color-primary: #9333EA;
    --color-primary-dark: #7C3AED;
    --color-primary-light: #A855F7;
    --color-primary-rgb: 147, 51, 234;

    --color-secondary: #4C1D95;
    --color-secondary-dark: #3B0764;
    --color-accent: #1E1B4B;

    --color-bg: #111827;
    --color-bg-secondary: #1F2937;
    --color-bg-tertiary: #374151;
    --color-surface: #1F2937;
    --color-border: #374151;
    --color-border-light: #4B5563;

    --color-text: #F3F4F6;
    --color-text-secondary: #9CA3AF;
    --color-text-muted: #6B7280;
    --color-text-inverse: #111827;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3);
}