/* ============================================
   Theme CSS Custom Properties
   Centralized design tokens for the entire app.
   Change these values to re-theme instantly.
   ============================================ */

:root {
    /* Primary palette (Teal) */
    --color-primary-50:  #f0fdfa;
    --color-primary-100: #ccfbf1;
    --color-primary-200: #99f6e4;
    --color-primary-300: #5eead4;
    --color-primary-400: #2dd4bf;
    --color-primary-500: #2D8A8A;
    --color-primary-600: #0d9488;
    --color-primary-700: #0f766e;
    --color-primary-800: #115e59;
    --color-primary-900: #134e4a;

    /* Semantic colors */
    --color-success: #16a34a;
    --color-danger:  #dc2626;
    --color-warning: #f59e0b;
    --color-info:    #0ea5e9;

    /* Neutrals */
    --color-gray-50:  #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;

    /* Typography */
    --font-sans:    'Inter', system-ui, -apple-system, sans-serif;
    --font-heading: 'Manrope', system-ui, -apple-system, sans-serif;

    /* Border radius */
    --radius-sm:  0.375rem;
    --radius-md:  0.5rem;
    --radius-lg:  0.75rem;
    --radius-xl:  1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-xs:  0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm:  0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --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);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

/* ============================================
   Global reusable utility classes using vars
   ============================================ */

/* Custom confirmation dialog */
.confirm-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9998;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.confirm-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.confirm-dialog {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 400px;
    width: calc(100% - 2rem);
    padding: 2rem;
    text-align: center;
    transform: scale(0.95) translateY(10px);
    transition: transform var(--transition-base);
}

.confirm-overlay.visible .confirm-dialog {
    transform: scale(1) translateY(0);
}

.confirm-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.confirm-icon.danger { background: #fef2f2; color: var(--color-danger); }
.confirm-icon.warning { background: #fffbeb; color: var(--color-warning); }
.confirm-icon.info { background: #eff6ff; color: var(--color-info); }
.confirm-icon.success { background: #f0fdf4; color: var(--color-success); }

.confirm-title {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: 0.5rem;
}

.confirm-message {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

.confirm-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
}

.confirm-btn {
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.confirm-btn-secondary {
    background: white;
    color: var(--color-gray-600);
    border: 1px solid var(--color-gray-300);
}

.confirm-btn-secondary:hover {
    background: var(--color-gray-50);
}

.confirm-btn-danger {
    background: var(--color-danger);
    color: white;
}

.confirm-btn-danger:hover {
    background: #b91c1c;
}

.confirm-btn-primary {
    background: var(--color-primary-500);
    color: white;
}

.confirm-btn-primary:hover {
    background: var(--color-primary-600);
}

/* Toast notifications */
.toast-notification {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 9999;
    min-width: 300px;
    max-width: 420px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--color-primary-500);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    transform: translateX(120%);
    transition: transform var(--transition-slow);
}

.toast-notification.show {
    transform: translateX(0);
}

.toast-notification.toast-success { border-left-color: var(--color-success); }
.toast-notification.toast-danger  { border-left-color: var(--color-danger); }
.toast-notification.toast-warning { border-left-color: var(--color-warning); }

.toast-notification .toast-content {
    flex: 1;
}

.toast-notification .toast-title {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-gray-900);
}

.toast-notification .toast-text {
    font-size: 0.8rem;
    color: var(--color-gray-500);
    margin-top: 0.25rem;
}

.toast-notification .toast-close {
    background: none;
    border: none;
    color: var(--color-gray-400);
    cursor: pointer;
    padding: 0;
    line-height: 1;
}