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

:root {
    /* Apple-inspired Color Palette */
    --primary-blue: #007AFF;
    --primary-blue-dark: #0056CC;
    --secondary-blue: #5AC8FA;
    --success-green: #34C759;
    --warning-orange: #FF9500;
    --error-red: #FF3B30;
    --purple: #AF52DE;
    --pink: #FF2D92;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --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;
    
    /* Background Colors */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8F9FA;
    --bg-tertiary: #F1F3F4;
    --bg-card: #FFFFFF;
    --bg-overlay: rgba(0, 0, 0, 0.1);
    
    /* Text Colors */
    --text-primary: #1D1D1F;
    --text-secondary: #86868B;
    --text-tertiary: #6E6E73;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    
    /* Typography */
    --font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
    font-family: var(--font-family);
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.logo-text {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.nav-tabs {
    display: flex;
    gap: var(--spacing-xs);
    background: var(--gray-100);
    padding: 4px;
    border-radius: var(--radius-md);
}

.nav-tab {
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.nav-tab.active {
    background: var(--white);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

.nav-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.export-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--primary-blue);
    color: var(--white);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.export-btn:hover {
    background: var(--primary-blue-dark);
    transform: translateY(-1px);
}

/* Main Content */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
    color: var(--white);
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
    font-size: 20px;
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.metric-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.metric-card.primary {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.metric-value {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.metric-label {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: var(--spacing-xs);
}

.metric-change {
    font-size: 14px;
    opacity: 0.8;
    background: rgba(255, 255, 255, 0.1);
    padding: 4px 8px;
    border-radius: 12px;
    display: inline-block;
}

/* Section Headers */
.section-header {
    margin-bottom: var(--spacing-xl);
}

.section-header h2 {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: 18px;
    color: var(--text-secondary);
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    grid-column: span 4;
}

.card.large {
    grid-column: span 8;
}

.card.xlarge {
    grid-column: span 12;
}

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.card-content {
    padding: var(--spacing-lg);
}

/* Conteneurs spécifiques pour les camemberts - ANTI-RÉTRÉCISSEMENT */
.doughnut-container {
    width: 400px !important;
    height: 400px !important;
    min-width: 400px !important;
    min-height: 400px !important;
    max-width: 400px !important;
    max-height: 400px !important;
    margin: 20px auto !important;
    position: relative !important;
    display: block !important;
    overflow: visible !important;
    flex-shrink: 0 !important;
    flex-grow: 0 !important;
}

#productMixChart,
#supplierChart {
    width: 400px !important;
    height: 400px !important;
    max-width: 400px !important;
    max-height: 400px !important;
    min-width: 400px !important;
    min-height: 400px !important;
    display: block !important;
    position: static !important;
    flex-shrink: 0 !important;
    flex-grow: 0 !important;
}

/* Empêcher toute transformation CSS */
.doughnut-container *,
#productMixChart,
#supplierChart {
    transform: none !important;
    transition: none !important;
    animation: none !important;
}

/* Autres graphiques restent responsive */
canvas:not(#productMixChart):not(#supplierChart) {
    width: 100% !important;
    height: 300px !important;
}

/* Supplier Costs Grid */
.supplier-costs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.supplier-cost-item {
    background: var(--bg-card);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: all 0.3s ease;
}

.supplier-cost-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.supplier-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--gray-200);
}

.supplier-color {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    flex-shrink: 0;
}

.supplier-header h4 {
    flex: 1;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.supplier-total {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-blue);
    background: rgba(0, 122, 255, 0.1);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
}

.supplier-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.cost-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs) 0;
    font-size: 14px;
}

.cost-line span:first-child {
    color: var(--text-secondary);
    flex: 1;
}

.cost-line span:last-child {
    font-weight: 600;
    color: var(--text-primary);
    font-family: 'SF Pro Display', monospace;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .supplier-costs-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .supplier-header {
        flex-wrap: wrap;
    }
    
    .supplier-total {
        font-size: 16px;
    }
}

/* Chart Controls */
.chart-controls {
    display: flex;
    gap: var(--spacing-xs);
    background: var(--gray-100);
    padding: 4px;
    border-radius: var(--radius-sm);
}

.chart-btn {
    padding: 6px 12px;
    border: none;
    background: transparent;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.chart-btn.active {
    background: var(--white);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

/* Metrics Grid */
.metrics-grid {
    grid-column: span 4;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.metric-item {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.metric-icon {
    font-size: 24px;
    width: 48px;
    height: 48px;
    background: var(--gray-100);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.metric-number {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.metric-desc {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Geographic Distribution */
.geo-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.geo-item {
    display: grid;
    grid-template-columns: 32px 1fr auto;
    gap: var(--spacing-md);
    align-items: center;
}

.geo-flag {
    font-size: 20px;
}

.geo-name {
    font-weight: 500;
}

.geo-value {
    font-weight: 600;
    color: var(--primary-blue);
}

.geo-bar {
    grid-column: 2 / 4;
    height: 4px;
    background: var(--gray-200);
    border-radius: 2px;
    overflow: hidden;
    margin-top: var(--spacing-xs);
}

.geo-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 2px;
    transition: width 0.3s ease;
}

/* Growth Rates */
.growth-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.growth-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-sm);
}

.growth-product {
    font-weight: 500;
}

.growth-rate {
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 14px;
}

.growth-rate.positive {
    background: rgba(52, 199, 89, 0.1);
    color: var(--success-green);
}

/* Unit Economics */
.unit-economics {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.unit-product {
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border-radius: var(--radius-md);
}

.unit-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.unit-header h4 {
    font-size: 16px;
    font-weight: 600;
}

.unit-evolution {
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--white);
    padding: 4px 8px;
    border-radius: 8px;
}

.unit-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.unit-metric {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.unit-label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.unit-value {
    font-size: 14px;
    font-weight: 600;
}

/* Optimization List */
.optimization-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.optimization-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-sm);
}

.opt-category {
    font-weight: 500;
}

.opt-saving {
    font-weight: 600;
    color: var(--success-green);
    background: rgba(52, 199, 89, 0.1);
    padding: 4px 8px;
    border-radius: 8px;
    font-size: 14px;
}

/* Supply Chain Metrics */
.supply-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.supply-metric {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.supply-icon {
    font-size: 24px;
    width: 48px;
    height: 48px;
    background: var(--gray-100);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.supply-title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.supply-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
}

.supply-desc {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Profitability Grid */
.profitability-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.profit-metric {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border-radius: var(--radius-md);
}

.profit-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
}

.profit-label {
    font-size: 14px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Ratios List */
.ratios-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.ratio-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-sm);
}

.ratio-name {
    font-weight: 500;
}

.ratio-value {
    font-weight: 600;
    color: var(--primary-blue);
}

/* Timeline */
.timeline {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.timeline-item {
    display: grid;
    grid-template-columns: 80px 1fr auto auto;
    gap: var(--spacing-md);
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    position: relative;
}

.timeline-item.active {
    background: rgba(0, 122, 255, 0.1);
    border: 2px solid var(--primary-blue);
}

.timeline-item.active::before {
    content: '●';
    position: absolute;
    left: -8px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary-blue);
    font-size: 16px;
}

.timeline-year {
    font-weight: 700;
    color: var(--primary-blue);
}

.timeline-event {
    font-weight: 600;
}

.timeline-amount {
    font-weight: 600;
    color: var(--success-green);
}

.timeline-valuation {
    font-weight: 600;
    color: var(--text-secondary);
}

/* ROI Metrics */
.roi-metrics {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.roi-metric {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border-radius: var(--radius-md);
}

.roi-metric.primary {
    background: rgba(0, 122, 255, 0.1);
    border: 2px solid var(--primary-blue);
}

.roi-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
}

.roi-label {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Sensitivity Table */
.sensitivity-table {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background: var(--gray-200);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.sensitivity-header,
.sensitivity-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: var(--white);
}

.sensitivity-header {
    background: var(--gray-100);
}

.sensitivity-cell {
    padding: var(--spacing-md);
    text-align: center;
    font-weight: 500;
}

.sensitivity-row.base {
    background: rgba(0, 122, 255, 0.05);
}

.sensitivity-row.optimistic .sensitivity-cell:nth-child(3),
.sensitivity-row.optimistic .sensitivity-cell:nth-child(4) {
    color: var(--success-green);
    font-weight: 600;
}

.sensitivity-row.pessimistic .sensitivity-cell:nth-child(3),
.sensitivity-row.pessimistic .sensitivity-cell:nth-child(4) {
    color: var(--warning-orange);
    font-weight: 600;
}

/* Recommendation */
.recommendation {
    text-align: center;
}

.rec-status {
    font-size: 18px;
    font-weight: 700;
    color: var(--success-green);
    background: rgba(52, 199, 89, 0.1);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.rec-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.rec-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-sm);
}

.rec-label {
    font-weight: 500;
    color: var(--text-secondary);
}

.rec-value {
    font-weight: 600;
    color: var(--primary-blue);
}

/* Chart Containers */
canvas {
    max-width: 100%;
    height: 300px !important;
    min-height: 300px !important;
}

.card-content canvas {
    width: 100% !important;
    height: 300px !important;
    min-height: 300px !important;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .dashboard-grid {
        grid-template-columns: repeat(8, 1fr);
    }
    
    .card {
        grid-column: span 4;
    }
    
    .card.large {
        grid-column: span 8;
    }
    
    .card.xlarge {
        grid-column: span 8;
    }
    
    .metrics-grid {
        grid-column: span 8;
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        height: auto;
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }
    
    .nav-tabs {
        order: 2;
        width: 100%;
        overflow-x: auto;
    }
    
    .nav-actions {
        order: 3;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .card,
    .card.large,
    .card.xlarge {
        grid-column: span 1;
    }
    
    .metrics-grid {
        grid-column: span 1;
        grid-template-columns: repeat(2, 1fr);
    }
    
    .supply-metrics {
        grid-template-columns: 1fr;
    }
    
    .profitability-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .unit-metrics {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: var(--spacing-md);
    }
    
    .hero-section {
        padding: var(--spacing-lg);
    }
    
    .hero-metrics {
        grid-template-columns: 1fr;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .profitability-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline-item {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-sm);
    }
}

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

.tab-content.active {
    animation: fadeIn 0.3s ease-out;
}

.card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

/* Loading States */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 200px;
    color: var(--text-secondary);
}

.loading::after {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-300);
    border-top: 2px solid var(--primary-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: var(--spacing-sm);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Print Styles */
@media print {
    .navbar,
    .nav-actions,
    .chart-controls {
        display: none;
    }
    
    .main-content {
        max-width: none;
        padding: 0;
    }
    
    .card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid var(--gray-300);
    }
    
    .hero-section {
        background: var(--gray-100) !important;
        color: var(--text-primary) !important;
    }
}