/* ============================================
   AP Annotator - Dark Mode
   Système de thème sombre complet
   Date : 27 janvier 2026
   ============================================ */

/* ========== ROOT VARIABLES - DARK MODE ========== */
:root {
    /* Light Mode (Default) */
    --bg-primary: #F3F4F6;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #E5E7EB;
    
    --text-primary: #0A0D17;
    --text-secondary: #4B5563;
    --text-tertiary: #6B7280;
    
    --border-color: #D1D5DB;
    --border-hover: #9CA3AF;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* CED-IT Colors (unchanged in dark mode) */
    --cyan-cedit: #00C6FF;
    --pink-cedit: #FF5A5F;
    --green-cedit: #00ED64;
    --blue-gradient: linear-gradient(135deg, #00C6FF 0%, #0099CC 50%, #0066CC 100%);
}

/* Dark Mode Theme */
[data-theme="dark"] {
    --bg-primary: #0A0D17;
    --bg-secondary: #152238;
    --bg-tertiary: #1E2D47;
    
    --text-primary: #F9FAFB;
    --text-secondary: #D1D5DB;
    --text-tertiary: #9CA3AF;
    
    --border-color: #374151;
    --border-hover: #4B5563;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
}

/* ========== SMOOTH TRANSITION ========== */
* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Disable transitions on page load to prevent flash */
.preload * {
    transition: none !important;
}

/* ========== BODY ========== */
body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

/* ========== CONTAINERS ========== */
.container,
.card,
.section,
.panel {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

/* ========== CARDS & PANELS ========== */
.bg-white,
.card,
.modal-content,
.dropdown-menu {
    background-color: var(--bg-secondary) !important;
    color: var(--text-primary);
    border-color: var(--border-color);
}

/* ========== TEXT COLORS ========== */
.text-gray-600,
.text-secondary {
    color: var(--text-secondary) !important;
}

.text-gray-500,
.text-tertiary {
    color: var(--text-tertiary) !important;
}

.text-gray-800,
.text-gray-900 {
    color: var(--text-primary) !important;
}

/* ========== BORDERS ========== */
.border,
.border-t,
.border-b,
.border-l,
.border-r {
    border-color: var(--border-color) !important;
}

/* ========== INPUTS & FORMS ========== */
input,
textarea,
select {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

input:focus,
textarea:focus,
select:focus {
    background-color: var(--bg-secondary) !important;
    border-color: var(--cyan-cedit) !important;
}

input::placeholder,
textarea::placeholder {
    color: var(--text-tertiary) !important;
}

/* ========== BUTTONS ========== */
button:not(.btn-primary):not(.btn-danger):not(.btn-success) {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

button:not(.btn-primary):not(.btn-danger):not(.btn-success):hover {
    background-color: var(--bg-secondary);
    border-color: var(--border-hover);
}

/* ========== MODALS ========== */
.modal-backdrop {
    background-color: rgba(10, 13, 23, 0.75);
}

[data-theme="dark"] .modal-backdrop {
    background-color: rgba(0, 0, 0, 0.85);
}

/* ========== CANVAS CONTAINER ========== */
#canvasContainer {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
}

/* ========== TOOLBAR ========== */
.toolbar,
.toolbar-section {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

/* ========== DROPDOWN ========== */
.dropdown-menu {
    box-shadow: var(--shadow-lg);
}

/* ========== SHADOWS ========== */
.shadow-sm {
    box-shadow: var(--shadow-sm);
}

.shadow,
.shadow-md {
    box-shadow: var(--shadow-md);
}

.shadow-lg {
    box-shadow: var(--shadow-lg);
}

.shadow-xl {
    box-shadow: var(--shadow-xl);
}

/* ========== SCROLLBAR (Dark Mode) ========== */
[data-theme="dark"] ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

[data-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--border-hover);
    border-radius: 4px;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* ========== TOGGLE BUTTON ========== */
.dark-mode-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
}

.dark-mode-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
    border-color: var(--cyan-cedit);
}

.dark-mode-toggle i {
    font-size: 1.5rem;
    color: var(--text-primary);
}

/* Sun icon in light mode */
[data-theme="light"] .dark-mode-toggle .fa-moon {
    display: inline-block;
}

[data-theme="light"] .dark-mode-toggle .fa-sun {
    display: none;
}

/* Moon icon in dark mode */
[data-theme="dark"] .dark-mode-toggle .fa-moon {
    display: none;
}

[data-theme="dark"] .dark-mode-toggle .fa-sun {
    display: inline-block;
    color: #FBBF24;
}

/* ========== MOBILE ADJUSTMENTS ========== */
@media (max-width: 768px) {
    .dark-mode-toggle {
        top: 10px;
        right: 10px;
        width: 44px;
        height: 44px;
    }
    
    .dark-mode-toggle i {
        font-size: 1.25rem;
    }
}

/* ========== ACCESSIBILITY ========== */
@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
    }
}

/* ========== LEGEND IN DARK MODE ========== */
[data-theme="dark"] #legend {
    background-color: rgba(21, 34, 56, 0.95) !important;
    border-color: var(--border-color);
}

[data-theme="dark"] #legend .legend-item {
    color: var(--text-secondary);
}

/* ========== TABLE DARK MODE ========== */
[data-theme="dark"] table {
    background-color: var(--bg-secondary);
}

[data-theme="dark"] table thead {
    background-color: var(--bg-tertiary);
}

[data-theme="dark"] table tbody tr:hover {
    background-color: var(--bg-tertiary);
}

/* ========== TOAST NOTIFICATIONS IN DARK MODE ========== */
[data-theme="dark"] .toast {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] .toast.success {
    border-left-color: var(--green-cedit);
}

[data-theme="dark"] .toast.error {
    border-left-color: var(--pink-cedit);
}

[data-theme="dark"] .toast.info {
    border-left-color: var(--cyan-cedit);
}