/* L'Assistant ERP - Dashboard Styles */

/* Variables CSS */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #06b6d4;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-dark: #0f172a;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    --transition: all 0.2s ease-in-out;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
}

.logo i {
    font-size: 1.5rem;
    color: #fbbf24;
}

.nav {
    display: flex;
    gap: 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition);
    font-weight: 500;
}

.nav-link:hover,
.nav-link.active {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    backdrop-filter: blur(10px);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.notifications {
    position: relative;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.notifications:hover {
    background: rgba(255, 255, 255, 0.1);
}

.notification-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--danger-color);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.125rem 0.375rem;
    border-radius: 9999px;
    min-width: 1.25rem;
    text-align: center;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.user-profile:hover {
    background: rgba(255, 255, 255, 0.1);
}

.user-profile i {
    font-size: 1.5rem;
}

/* Main Content */
.main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Welcome Section */
.welcome-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.welcome-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.welcome-content p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 1rem;
}

.quick-stats {
    display: flex;
    gap: 2rem;
}

.quick-stat {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

.weather-widget {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
}

.weather-widget i {
    font-size: 2rem;
    color: #fbbf24;
}

.weather-widget span {
    font-size: 1.5rem;
    font-weight: 600;
}

/* KPI Section */
.kpi-section {
    margin-bottom: 1rem;
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.kpi-card {
    background: var(--bg-primary);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
    border-left: 4px solid;
}

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

.kpi-card.clients {
    border-left-color: var(--primary-color);
}

.kpi-card.devis {
    border-left-color: var(--warning-color);
}

.kpi-card.revenue {
    border-left-color: var(--success-color);
}

.kpi-card.conversion {
    border-left-color: var(--info-color);
}

.kpi-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.kpi-card.clients .kpi-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

.kpi-card.devis .kpi-icon {
    background: linear-gradient(135deg, var(--warning-color), #d97706);
}

.kpi-card.revenue .kpi-icon {
    background: linear-gradient(135deg, var(--success-color), #059669);
}

.kpi-card.conversion .kpi-icon {
    background: linear-gradient(135deg, var(--info-color), #0891b2);
}

.kpi-content h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.kpi-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.kpi-change {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.kpi-change.positive {
    color: var(--success-color);
}

.kpi-change.negative {
    color: var(--danger-color);
}

/* Widgets Section */
.widgets-section {
    flex: 1;
}

.widgets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
    align-items: start;
}

.widget {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition);
}

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

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

.widget-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.widget-header i {
    color: var(--primary-color);
}

.widget-content {
    padding: 1.5rem;
}

/* Quick Actions Widget */
.action-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem 1rem;
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.action-btn.secondary {
    background: linear-gradient(135deg, var(--success-color), #059669);
    color: white;
}

.action-btn.tertiary {
    background: linear-gradient(135deg, var(--warning-color), #d97706);
    color: white;
}

.action-btn.quaternary {
    background: linear-gradient(135deg, var(--info-color), #0891b2);
    color: white;
}

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

.action-btn i {
    font-size: 1.5rem;
}

/* Recent Activity Widget */
.activity-list {
    max-height: 300px;
    overflow-y: auto;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-light);
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: white;
    flex-shrink: 0;
}

.activity-icon.appel {
    background: var(--primary-color);
}

.activity-icon.email {
    background: var(--info-color);
}

.activity-icon.creation {
    background: var(--success-color);
}

.activity-icon.modification {
    background: var(--warning-color);
}

.activity-details {
    flex: 1;
}

.activity-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.activity-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.activity-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Charts Widget */
.chart-tabs {
    display: flex;
    gap: 0.5rem;
}

.chart-tab {
    padding: 0.5rem 1rem;
    border: none;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.chart-tab.active,
.chart-tab:hover {
    background: var(--primary-color);
    color: white;
}

/* Alerts Widget */
.alert-count {
    background: var(--danger-color);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 9999px;
    min-width: 1.5rem;
    text-align: center;
}

.alerts-list {
    max-height: 250px;
    overflow-y: auto;
}

.alert-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: 0.75rem;
    border-left: 4px solid var(--warning-color);
}

.alert-item.danger {
    border-left-color: var(--danger-color);
}

.alert-item.info {
    border-left-color: var(--info-color);
}

.no-alerts {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 2rem;
    color: var(--text-muted);
}

.no-alerts i {
    font-size: 2rem;
    color: var(--success-color);
}

/* Performance Widget */
.performance-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.metric {
    text-align: center;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.metric-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Calendar Widget */
.calendar-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.calendar-nav button {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

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

.calendar-events {
    max-height: 300px;
    overflow-y: auto;
}

.event {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-light);
}

.event:last-child {
    border-bottom: none;
}

.event-time {
    font-weight: 600;
    color: var(--primary-color);
    min-width: 60px;
}

.event-details {
    flex: 1;
}

.event-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.event-client {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.event-status {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.event-status.pending {
    background: #fef3c7;
    color: #92400e;
}

.event-status.confirmed {
    background: #d1fae5;
    color: #065f46;
}

.event-status.cancelled {
    background: #fee2e2;
    color: #991b1b;
}

/* Utilities */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 2rem;
    color: var(--text-muted);
}

.refresh-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    .main {
        padding: 1rem;
    }
    
    .widgets-grid {
        grid-template-columns: 1fr;
    }
    
    .kpi-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .header-content {
        padding: 0 1rem;
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .nav {
        order: 3;
        width: 100%;
        justify-content: center;
    }
    
    .welcome-section {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    
    .quick-stats {
        justify-content: center;
    }
    
    .kpi-grid {
        grid-template-columns: 1fr;
    }
    
    .action-buttons {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .performance-metrics {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .main {
        padding: 0.5rem;
    }
    
    .welcome-section {
        padding: 1.5rem;
    }
    
    .widget-header,
    .widget-content {
        padding: 1rem;
    }
    
    .action-buttons {
        grid-template-columns: 1fr;
    }
    
    .nav {
        gap: 0.25rem;
    }
    
    .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
    }
}

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

.widget,
.kpi-card {
    animation: fadeIn 0.5s ease-out;
}

.widget:nth-child(1) { animation-delay: 0.1s; }
.widget:nth-child(2) { animation-delay: 0.2s; }
.widget:nth-child(3) { animation-delay: 0.3s; }
.widget:nth-child(4) { animation-delay: 0.4s; }
.widget:nth-child(5) { animation-delay: 0.5s; }
.widget:nth-child(6) { animation-delay: 0.6s; }

/* Scrollbar personnalisé */
::-webkit-scrollbar {
    width: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

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