/**
 * Theme Analytics - Dark & Light Mode
 * Inspiré de la maquette 4
 */

/* ============================================
   VARIABLES - DARK MODE (par défaut)
   ============================================ */
:root[data-theme="dark"],
:root {
    /* Backgrounds */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-hover: #475569;
    
    /* Text */
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-tertiary: #64748b;
    
    /* Accents */
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --accent-green: #10b981;
    --accent-orange: #f59e0b;
    --accent-red: #ef4444;
    
    /* Borders */
    --border-color: #334155;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3);
    
    /* Overlays */
    --overlay-bg: rgba(0, 0, 0, 0.5);
}

/* ============================================
   VARIABLES - LIGHT MODE
   ============================================ */
:root[data-theme="light"] {
    /* Backgrounds */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-hover: #e2e8f0;
    
    /* Text */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #94a3b8;
    
    /* Accents - restent les mêmes */
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --accent-green: #10b981;
    --accent-orange: #f59e0b;
    --accent-red: #ef4444;
    
    /* Borders */
    --border-color: #e2e8f0;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    
    /* Overlays */
    --overlay-bg: rgba(0, 0, 0, 0.3);
}

/* ============================================
   VARIABLES - HIGH CONTRAST MODE
   ============================================ */
:root[data-theme="contrast"] {
    /* Backgrounds */
    --bg-primary: #000000;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #2d2d2d;
    --bg-hover: #404040;
    
    /* Text */
    --text-primary: #ffffff;
    --text-secondary: #ffffff;
    --text-tertiary: #e0e0e0;
    
    /* Accents - Plus contrastés */
    --accent-blue: #4da6ff;
    --accent-purple: #b380ff;
    --accent-green: #00ff88;
    --accent-orange: #ffb84d;
    --accent-red: #ff4d4d;
    
    /* Borders - Plus visibles */
    --border-color: #ffffff;
    
    /* Shadows - Plus prononcées */
    --shadow-sm: 0 2px 4px rgba(255, 255, 255, 0.1);
    --shadow-md: 0 4px 8px rgba(255, 255, 255, 0.15);
    --shadow-lg: 0 10px 20px rgba(255, 255, 255, 0.2);
    
    /* Overlays */
    --overlay-bg: rgba(0, 0, 0, 0.9);
}

/* Styles spécifiques au mode contrasté */
:root[data-theme="contrast"] .menu-item:hover,
:root[data-theme="contrast"] .icon-btn:hover,
:root[data-theme="contrast"] .btn-sm:hover {
    border: 2px solid var(--accent-blue);
}

:root[data-theme="contrast"] .menu-item.active {
    border-left: 4px solid var(--accent-blue);
    background: var(--bg-tertiary);
}

:root[data-theme="contrast"] input:focus,
:root[data-theme="contrast"] textarea:focus,
:root[data-theme="contrast"] select:focus {
    border: 2px solid var(--accent-blue);
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

:root[data-theme="contrast"] .kpi-card,
:root[data-theme="contrast"] .chart-card,
:root[data-theme="contrast"] .table-card {
    border: 2px solid var(--border-color);
}

:root[data-theme="contrast"] .btn-primary {
    border: 2px solid var(--accent-blue);
}

:root[data-theme="contrast"] .status-badge {
    border: 1px solid currentColor;
    font-weight: 700;
}

/* ============================================
   GLOBAL STYLES
   ============================================ */
body {
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar {
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
}

.sidebar-header {
    border-bottom: 1px solid var(--border-color);
}

.menu-item {
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.menu-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.menu-item.active {
    background: var(--bg-tertiary);
    color: var(--accent-blue);
}

.menu-section {
    color: var(--text-tertiary);
}

/* ============================================
   HEADER
   ============================================ */
.header,
.main-nav {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    background: var(--bg-secondary);
}

.app-title {
    color: var(--text-primary);
}

.nav-link {
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.nav-link.active {
    color: var(--accent-blue);
    background: var(--bg-tertiary);
}

.search-box input {
    background: var(--bg-tertiary);
    border: 1px solid transparent;
    color: var(--text-primary);
}

.search-box input:focus {
    border-color: var(--accent-blue);
    background: var(--bg-primary);
}

.search-box input::placeholder {
    color: var(--text-tertiary);
}

.icon-btn {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.icon-btn:hover {
    background: var(--bg-hover);
}

.user-menu {
    background: var(--bg-tertiary);
}

.user-menu:hover {
    background: var(--bg-hover);
}

/* ============================================
   CARDS
   ============================================ */
.kpi-card,
.chart-card,
.table-card,
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.kpi-card:hover,
.chart-card:hover,
.card:hover {
    box-shadow: var(--shadow-md);
}

.kpi-title,
.chart-title,
.card-subtitle {
    color: var(--text-secondary);
}

.kpi-value,
.card-value {
    color: var(--text-primary);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-sm {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.btn-sm:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.btn-sm.active {
    background: var(--accent-blue);
    color: white;
}

.btn-primary {
    background: var(--accent-blue);
    color: white;
}

.btn-primary:hover {
    background: #2563eb;
}

/* ============================================
   TABLE
   ============================================ */
.table-header {
    border-bottom: 1px solid var(--border-color);
}

th {
    background: var(--bg-primary);
    color: var(--text-tertiary);
}

tr {
    border-bottom: 1px solid var(--border-color);
}

tr:hover {
    background: var(--bg-primary);
}

/* ============================================
   THEME TOGGLE BUTTON
   ============================================ */
.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: var(--bg-tertiary);
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.theme-toggle:hover {
    background: var(--bg-hover);
    transform: rotate(180deg);
}

/* ============================================
   CHARTS
   ============================================ */
.chart-placeholder {
    background: var(--bg-primary);
    color: var(--text-secondary);
}

/* ============================================
   BADGES
   ============================================ */
.status-badge {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-green);
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-green);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--accent-orange);
}

.badge-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--accent-red);
}

.badge-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-blue);
}

/* ============================================
   FORMS
   ============================================ */
.form,
.section-content,
.content-section {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-fieldset {
    border-color: var(--border-color);
}

.form-fieldset legend {
    color: var(--text-primary);
}

label {
    color: var(--text-secondary);
}

input,
textarea,
select {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--accent-blue);
    background: var(--bg-primary);
}

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

.form-help {
    color: var(--text-tertiary);
}

/* ============================================
   MODALS
   ============================================ */
.modal {
    background: var(--overlay-bg);
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--bg-hover);
}

/* ============================================
   TRANSITIONS
   ============================================ */
* {
    transition-property: background-color, border-color, color;
    transition-duration: 0.3s;
    transition-timing-function: ease;
}

/* Exclure certains éléments des transitions */
.no-transition,
.no-transition * {
    transition: none !important;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .theme-toggle {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }
}

/* ============================================
   UTILITIES
   ============================================ */
.text-primary {
    color: var(--text-primary);
}

.text-secondary {
    color: var(--text-secondary);
}

.text-tertiary {
    color: var(--text-tertiary);
}

.bg-primary {
    background: var(--bg-primary);
}

.bg-secondary {
    background: var(--bg-secondary);
}

.bg-tertiary {
    background: var(--bg-tertiary);
}

.border-color {
    border-color: var(--border-color);
}