/* ============================================
   STYLE PRINCIPAL - GestionDette
   Version: 2.0 - Mobile First
============================================ */

/* Reset et Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Couleurs principales */
    --primary: #667eea;
    --primary-dark: #764ba2;
    --success: #2ed573;
    --success-dark: #1dd1a1;
    --danger: #ff4757;
    --warning: #ff9f43;
    --info: #9c88ff;
    --dark: #2f3542;
    --light: #f8f9fa;
    
    /* Couleurs neutres */
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    
    /* Bordures et ombres */
    --border-radius: 15px;
    --border-radius-sm: 10px;
    --box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    --box-shadow-lg: 0 8px 16px rgba(0,0,0,0.1);
    
    /* Transitions */
    --transition: all 0.3s ease;

    /* Thème UI */
    --bg: var(--light);
    --surface: #ffffff;
    --text: var(--gray-800);
    --text-muted: var(--gray-600);
    --input-bg: #ffffff;
    --input-border: var(--gray-300);
    --auth-bg: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}



:root[data-theme="dark"] {
    --light: #0e1116;
    --bg: #0e1116;
    --surface: #151a21;
    --text: #e8edf2;
    --text-muted: #b6c1cf;
    --gray-900: #f1f5f9;
    --gray-800: #e8edf2;
    --gray-700: #d1d9e6;
    --gray-600: #b6c1cf;
    --gray-500: #9aa6b2;
    --gray-400: #4b5563;
    --gray-300: #2a3441;
    --gray-200: #24303d;
    --box-shadow: 0 4px 6px rgba(0,0,0,0.35);
    --box-shadow-lg: 0 10px 24px rgba(0,0,0,0.45);
    --input-bg: #0e1116;
    --input-border: #2a3441;
    --auth-bg: linear-gradient(135deg, #1f2a63 0%, #2d1a3d 100%);
}
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    padding-top: 70px; /* Topbar */
    padding-bottom: 80px; /* Pour la navigation fixe */
}

/* Container principal */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header et Navigation */
.header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 20px;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    margin-bottom: 20px;
    box-shadow: var(--box-shadow-lg);
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.boutique-name {
    font-size: 1.125rem;
    font-weight: 600;
}

.logout-btn {
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.875rem;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
}

.logout-btn:hover {
    background: rgba(255,255,255,0.3);
}

.welcome {
    font-size: 0.875rem;
    opacity: 0.9;
}

.date-info {
    font-size: 0.75rem;
    opacity: 0.8;
    margin-top: 5px;
}

/* Cartes de statistiques */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 25px;
}

.stat-card {
    background: var(--surface);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-lg);
}

.stat-card h3 {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: 10px;
    font-weight: 500;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.stat-number.debt { color: var(--danger); }
.stat-number.ca { color: var(--success); }
.stat-number.marge { color: var(--primary); }
.stat-number.banque { color: var(--info); }

.stat-trend {
    font-size: 0.75rem;
    margin-top: 5px;
}

.trend-up { color: var(--success); }
.trend-down { color: var(--danger); }

/* Boutons d'action */
.action-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 15px;
    margin-bottom: 25px;
}

.action-btn {
    background: var(--surface);
    border: none;
    padding: 20px 15px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-lg);
}

.action-btn.dette {
    background: linear-gradient(135deg, var(--danger), #ff6b6b);
    color: white;
}

.action-btn.vente {
    background: linear-gradient(135deg, var(--success), var(--success-dark));
    color: white;
}

.action-btn.payer {
    background: linear-gradient(135deg, var(--warning), #ff7f00);
    color: white;
}

.action-btn.banque {
    background: linear-gradient(135deg, var(--info), #8c7ae6);
    color: white;
}

/* Graphiques */
.charts-container {
    display: grid;
    gap: 20px;
    margin-bottom: 25px;
}

.chart-box {
    background: var(--surface);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--box-shadow);
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
}

.chart-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
}

.chart-controls {
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
}

.chart-btn {
    padding: 6px 12px;
    border: 1px solid var(--gray-300);
    background: var(--surface);
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    cursor: pointer;
    transition: var(--transition);
}

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

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

.chart-canvas {
    width: 100%;
    height: 250px;
    position: relative;
}

/* Historique */
.history-section {
    margin-bottom: 25px;
}

.section-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.view-all {
    font-size: 0.875rem;
    color: var(--primary);
    text-decoration: none;
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.history-item {
    background: var(--surface);
    padding: 15px;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--box-shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.history-item:hover {
    transform: translateX(5px);
}

.history-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.history-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
}

.history-icon.vente { background: rgba(46, 213, 115, 0.1); color: var(--success); }
.history-icon.dette { background: rgba(255, 71, 87, 0.1); color: var(--danger); }
.history-icon.paiement { background: rgba(255, 159, 67, 0.1); color: var(--warning); }
.history-icon.versement { background: rgba(156, 136, 255, 0.1); color: var(--info); }

.history-details h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 3px;
}

.history-time {
    font-size: 0.75rem;
    color: var(--gray-600);
}

.history-amount {
    font-weight: 600;
    font-size: 1rem;
}

.history-amount.positive { color: var(--success); }
.history-amount.negative { color: var(--danger); }

/* Formulaires */
.form-container {
    background: var(--surface);
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--box-shadow);
    margin-bottom: 25px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--gray-700);
    font-weight: 500;
    font-size: 0.875rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--surface);
}

.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(102, 126, 234, 0.1);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

/* Boutons de formulaire */
.btn-submit {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    padding: 18px;
    width: 100%;
    border-radius: var(--border-radius);
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 20px;
    transition: var(--transition);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-lg);
}

/* Messages */
.success-message {
    background: rgba(46, 213, 115, 0.1);
    color: var(--success);
    padding: 15px;
    border-radius: var(--border-radius-sm);
    margin-bottom: 20px;
    text-align: center;
    border-left: 4px solid var(--success);
}

.error-message {
    background: rgba(255, 71, 87, 0.1);
    color: var(--danger);
    padding: 15px;
    border-radius: var(--border-radius-sm);
    margin-bottom: 20px;
    text-align: center;
    border-left: 4px solid var(--danger);
}

/* Navigation fixe */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface);
    display: flex;
    justify-content: space-around;
    padding: 15px 10px;
    box-shadow: 0 -4px 12px rgba(0,0,0,0.1);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    z-index: 1000;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--gray-600);
    font-size: 0.75rem;
    transition: var(--transition);
}

.nav-item:hover {
    color: var(--primary);
}

.nav-item.active {
    color: var(--primary);
}

.nav-icon {
    font-size: 1.25rem;
    margin-bottom: 5px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-content {
    background: var(--surface);
    border-radius: var(--border-radius);
    padding: 25px;
    width: 100%;
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--box-shadow-lg);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.close-modal {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray-600);
}

/* État vide */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--gray-500);
}

.empty-state .icon {
    font-size: 3rem;
    margin-bottom: 15px;
    opacity: 0.5;
}

/* Responsive Design */
@media (min-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    .charts-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .action-buttons {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .header {
        padding: 25px 30px;
    }
    
    .boutique-name {
        font-size: 1.25rem;
    }
}

@media (min-width: 1024px) {
    .container {
        max-width: 1200px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* Utilitaires */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-none { display: none; }
.w-100 { width: 100%; }
.h-100 { height: 100%; }

/* ==================== Topbar (Logo + Thème) ==================== */
.app-topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 14px;
    background: var(--surface);
    border-bottom: 1px solid var(--gray-200);
    z-index: 9999;
    box-shadow: var(--box-shadow);
}
.app-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text);
    font-weight: 800;
}
.app-logo {
    width: 50px;
    height: 50px;
    border-radius: 10px;
}
.app-name {
    font-size: 0.95rem;
    letter-spacing: 0.2px;
}
.theme-toggle {
    background: transparent;
    border: 1px solid var(--gray-200);
    color: var(--text);
    border-radius: 12px;
    height: 40px;
    width: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}
.theme-toggle:hover {
    transform: translateY(-1px);
    box-shadow: var(--box-shadow);
}
.theme-toggle-icon {
    font-size: 18px;
}

.topbar-actions{display:flex;gap:10px;align-items:center;}
.icon-link{background:transparent;border:1px solid var(--gray-200);color:var(--text);border-radius:12px;height:40px;width:44px;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;cursor:pointer;transition:var(--transition);} 
.icon-link:hover{transform:translateY(-1px);box-shadow:var(--box-shadow);} 
.icon-link span{font-size:18px;}


/* Réserve en haut pour la topbar */
body {
    padding-top: 70px;
}

/* Ajustement sur pages d'auth */
body.auth-page {
    padding-top: 0;
}