/* ============================================================
   AnalyZe Compta - Styles CSS
   ============================================================ */

:root {
    --primary: #0B3D5B;
    --primary-dark: #062940;
    --primary-light: #1a5a7a;
    --accent: #E67E22;
    --accent-hover: #D35400;
    --success: #27AE60;
    --warning: #F39C12;
    --danger: #E74C3C;
    --info: #3498DB;
    
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    --white: #FFFFFF;
    --sidebar-width: 260px;
    --header-height: 64px;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    
    --radius: 8px;
    --radius-lg: 12px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 14px;
    color: var(--gray-800);
    background: var(--gray-100);
    line-height: 1.5;
}

/* ============================================================
   SIDEBAR
   ============================================================ */

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--primary-dark);
    color: var(--white);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 1.25rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--white);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: all 0.2s;
    font-size: 0.9rem;
}

.nav-item:hover {
    background: rgba(255,255,255,0.1);
    color: var(--white);
}

.nav-item.active {
    background: rgba(255,255,255,0.15);
    color: var(--white);
    border-left: 3px solid var(--accent);
}

.nav-icon {
    font-size: 1.1rem;
    width: 24px;
    text-align: center;
}

.nav-divider {
    height: 1px;
    background: rgba(255,255,255,0.1);
    margin: 0.75rem 1.25rem;
}

.sidebar-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-name {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.9);
}

.btn-logout {
    width: 100%;
    padding: 0.5rem;
    background: rgba(255,255,255,0.1);
    border: none;
    border-radius: var(--radius);
    color: rgba(255,255,255,0.8);
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.btn-logout:hover {
    background: rgba(255,255,255,0.2);
    color: var(--white);
}

/* ============================================================
   MAIN CONTENT
   ============================================================ */

.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

.header {
    height: var(--header-height);
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    gap: 1rem;
    position: sticky;
    top: 0;
    z-index: 50;
}

.header h1 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    flex: 1;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray-700);
}

.select-exercice {
    padding: 0.5rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    background: var(--white);
    font-size: 0.9rem;
    min-width: 150px;
}

.content {
    padding: 1.5rem;
}

/* ============================================================
   STATS GRID
   ============================================================ */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-sm);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.blue { background: rgba(59, 130, 246, 0.1); }
.stat-icon.green { background: rgba(34, 197, 94, 0.1); }
.stat-icon.orange { background: rgba(249, 115, 22, 0.1); }
.stat-icon.purple { background: rgba(139, 92, 246, 0.1); }

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* ============================================================
   CARDS
   ============================================================ */

.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
}

.card-body {
    padding: 1.5rem;
}

.charts-row {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.chart-card {
    min-height: 300px;
}

/* ============================================================
   CHART BARS
   ============================================================ */

.chart-bars {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.chart-bar-item {
    display: grid;
    grid-template-columns: 80px 1fr 100px;
    align-items: center;
    gap: 1rem;
}

.chart-bar-label {
    font-size: 0.85rem;
    color: var(--gray-600);
}

.chart-bar-wrapper {
    display: flex;
    gap: 2px;
    height: 24px;
    background: var(--gray-100);
    border-radius: 4px;
    overflow: hidden;
}

.chart-bar {
    height: 100%;
    border-radius: 4px;
    transition: width 0.5s ease;
}

.chart-bar.debit {
    background: var(--primary);
}

.chart-bar.credit {
    background: var(--accent);
}

.chart-bar-value {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gray-700);
    text-align: right;
}

/* ============================================================
   QUICK ACTIONS
   ============================================================ */

.quick-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s;
}

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

.action-btn.primary:hover {
    background: var(--primary-dark);
}

.action-btn.secondary {
    background: var(--gray-100);
    color: var(--gray-700);
}

.action-btn.secondary:hover {
    background: var(--gray-200);
}

.action-btn.outline {
    background: transparent;
    border: 1px solid var(--gray-300);
    color: var(--gray-700);
}

.action-btn.outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.action-icon {
    font-size: 1.25rem;
}

/* ============================================================
   TABLES
   ============================================================ */

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-100);
}

.table th {
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--gray-500);
    background: var(--gray-50);
}

.table tbody tr:hover {
    background: var(--gray-50);
}

.table .text-right {
    text-align: right;
}

.table .text-center {
    text-align: center;
}

.text-muted {
    color: var(--gray-400);
}

/* ============================================================
   BADGES
   ============================================================ */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 4px;
    background: var(--gray-100);
    color: var(--gray-700);
}

.badge.success { background: rgba(34, 197, 94, 0.1); color: var(--success); }
.badge.warning { background: rgba(249, 115, 22, 0.1); color: var(--warning); }
.badge.danger { background: rgba(239, 68, 68, 0.1); color: var(--danger); }
.badge.info { background: rgba(59, 130, 246, 0.1); color: var(--info); }

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
}

.btn-secondary:hover {
    background: var(--gray-200);
}

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

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

.btn-outline {
    background: transparent;
    border: 1px solid var(--gray-300);
    color: var(--gray-700);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ============================================================
   FORMS
   ============================================================ */

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 0.9rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(11, 61, 91, 0.1);
}

.form-group input::placeholder {
    color: var(--gray-400);
}

.form-row {
    display: grid;
    gap: 1rem;
}

.form-row.cols-2 { grid-template-columns: repeat(2, 1fr); }
.form-row.cols-3 { grid-template-columns: repeat(3, 1fr); }
.form-row.cols-4 { grid-template-columns: repeat(4, 1fr); }

.error-text {
    color: var(--danger);
    font-size: 0.85rem;
}

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

/* ============================================================
   MODAL
   ============================================================ */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    transform: translateY(-20px);
    transition: transform 0.3s;
}

.modal.active .modal-content {
    transform: translateY(0);
}

.modal-sm { max-width: 400px; }
.modal-lg { max-width: 800px; }
.modal-xl { max-width: 1000px; }

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--gray-100);
}

.modal-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--gray-100);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* ============================================================
   TOAST NOTIFICATIONS
   ============================================================ */

.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    background: var(--white);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 300px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.warning { border-left: 4px solid var(--warning); }
.toast.info { border-left: 4px solid var(--info); }

.toast-icon {
    font-size: 1.25rem;
}

.toast-message {
    flex: 1;
    font-size: 0.9rem;
}

.toast-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gray-400);
    font-size: 1.25rem;
}

/* ============================================================
   UPLOAD ZONE
   ============================================================ */

.upload-zone {
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-lg);
    padding: 3rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--primary);
    background: rgba(11, 61, 91, 0.02);
}

.upload-zone-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.upload-zone-text {
    color: var(--gray-600);
    margin-bottom: 0.5rem;
}

.upload-zone-hint {
    font-size: 0.8rem;
    color: var(--gray-400);
}

/* ============================================================
   PAGINATION
   ============================================================ */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    margin-top: 1.5rem;
}

.pagination-btn {
    padding: 0.5rem 0.875rem;
    border: 1px solid var(--gray-300);
    background: var(--white);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
}

.pagination-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.pagination-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1200px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .charts-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row.cols-2,
    .form-row.cols-3,
    .form-row.cols-4 {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        margin: 1rem;
        max-height: calc(100vh - 2rem);
    }
}

/* ============================================================
   UTILITIES
   ============================================================ */

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 2rem; }

.text-right { text-align: right; }
.text-center { text-align: center; }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 1rem; }

.hidden { display: none !important; }