/* Variables CSS */
:root {
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --success-color: #059669;
    --warning-color: #d97706;
    --danger-color: #dc2626;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.app-header {
    text-align: center;
    margin-bottom: 2rem;
    padding: 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.app-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.app-header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Onglets */
.tabs {
    display: flex;
    margin-bottom: 2rem;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.tab-btn {
    flex: 1;
    padding: 1rem 1.5rem;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
}

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

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    background-color: var(--bg-color);
}

.tab-btn i {
    margin-right: 0.5rem;
}

/* Contenu des onglets */
.tab-content {
    display: none;
}

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

/* Formulaire */
.form-container {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 2rem;
}

.form-container h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 1.8rem;
    font-weight: 600;
}

.form-section {
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.form-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.form-section h3 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    font-weight: 600;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.form-group input,
.form-group select {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input[type="checkbox"] {
    width: auto;
    margin-right: 0.5rem;
}

/* Boutons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background-color: #1d4ed8;
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background-color: #475569;
    transform: translateY(-1px);
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

/* Rapport généré */
.report-container {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.report-placeholder {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.report-placeholder i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* Styles pour le rapport */
.pv-report {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    font-family: 'Inter', sans-serif;
}

.report-header {
    background: linear-gradient(135deg, #1e40af, #f59e0b);
    color: white;
    padding: 3rem 2rem;
    text-align: center;
}

.report-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.report-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

.report-body {
    padding: 2rem;
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.kpi-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
}

.kpi-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.kpi-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.kpi-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.report-section {
    margin: 2rem 0;
    padding: 1.5rem;
    border-left: 4px solid var(--primary-color);
    background: #f8fafc;
}

.section-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

.feature-tag {
    background: var(--success-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.technical-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid #e2e8f0;
}

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

.detail-value {
    font-weight: 600;
    color: var(--text-primary);
}

/* Export */
.export-container {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 2rem;
    text-align: center;
}

.export-container h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

.export-options {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.export-options .btn {
    width: 250px;
    justify-content: center;
}

.btn-info {
    background-color: #0ea5e9;
    color: white;
}

.btn-info:hover {
    background-color: #0284c7;
    transform: translateY(-1px);
}

/* URL de partage */
.url-result {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--bg-color);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 600px;
}

.url-result h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.url-container {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.url-container input {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    background: white;
}

.url-container .btn {
    white-space: nowrap;
    width: auto;
    padding: 0.75rem 1rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.export-info {
    margin-top: 2rem;
    padding: 1rem;
    background: var(--bg-color);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .app-header {
        padding: 1.5rem 1rem;
    }
    
    .app-header h1 {
        font-size: 1.8rem;
    }
    
    .tabs {
        flex-direction: column;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .kpi-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 1rem;
    }
    
    .export-options {
        width: 100%;
    }
}

/* Nouveaux styles pour le rapport avancé */
.header-badges {
    margin-top: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.badge {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Situation actuelle */
.current-situation {
    background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
    border-left: 4px solid var(--secondary-color);
}

.current-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* KPI Cards améliorées */
.kpi-card.highlight {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    border: none;
}

.kpi-card.highlight .kpi-value {
    color: white;
}

.kpi-card.highlight .kpi-label {
    color: rgba(255, 255, 255, 0.9);
}

/* Répartition énergétique */
.energy-breakdown {
    background: linear-gradient(135deg, #ecfdf5, #d1fae5);
    border-left: 4px solid var(--success-color);
}

.energy-flow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    margin: 2rem 0;
}

.energy-box {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    min-width: 200px;
}

.energy-box.production {
    background: linear-gradient(135deg, var(--accent-color), #fbbf24);
    color: white;
}

.energy-box.autoconso {
    background: linear-gradient(135deg, var(--success-color), #059669);
    color: white;
}

.energy-box.injection {
    background: linear-gradient(135deg, var(--primary-color), #1d4ed8);
    color: white;
}

.energy-value {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.energy-label {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.energy-benefit {
    font-size: 1.1rem;
    font-weight: 600;
}

.energy-split {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

/* Indicateurs financiers */
.financial-kpis {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    border-left: 4px solid var(--accent-color);
}

.financial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.financial-card {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.financial-card.positive {
    border-left: 4px solid var(--success-color);
}

.financial-card.highlight {
    background: linear-gradient(135deg, var(--success-color), #10b981);
    color: white;
}

.financial-value {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.financial-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.financial-card.highlight .financial-label {
    color: rgba(255, 255, 255, 0.9);
}

.tariff-info {
    margin-top: 1.5rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 8px;
}

.tariff-info ul {
    margin: 0.5rem 0;
    padding-left: 1.5rem;
}

/* Tableau financier */
.financial-table-section {
    background: linear-gradient(135deg, #ede9fe, #ddd6fe);
    border-left: 4px solid var(--primary-color);
}

.table-container {
    overflow-x: auto;
    margin: 1rem 0;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.financial-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    font-size: 0.9rem;
}

.financial-table th,
.financial-table td {
    padding: 0.8rem 0.5rem;
    text-align: center;
    border: 1px solid #e2e8f0;
}

.financial-table th {
    background: linear-gradient(135deg, var(--primary-color), #3b82f6);
    color: white;
    font-weight: 600;
    font-size: 0.8rem;
}

.financial-table td.positive {
    color: var(--success-color);
    font-weight: 600;
}

.financial-table td.negative {
    color: var(--danger-color);
    font-weight: 600;
}

.financial-table tbody tr:nth-child(even) {
    background-color: #f8fafc;
}

.financial-table tbody tr:hover {
    background-color: #f1f5f9;
}

/* Impact environnemental */
.environmental-section {
    background: linear-gradient(135deg, #ecfdf5, #d1fae5);
    border-left: 4px solid #059669;
}

.environmental-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.env-card {
    background: white;
    padding: 2rem 1.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease;
}

.env-card:hover {
    transform: translateY(-2px);
}

.env-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.env-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--success-color);
    margin-bottom: 0.5rem;
}

.env-label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.env-detail {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.env-note {
    margin-top: 1.5rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 8px;
    font-size: 0.9rem;
}

/* Graphiques */
.charts-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.chart-container {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    height:320px; 
    position:relative;
}

.chart-container h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
    text-align: center;
    font-weight: 600;
}

/* Upload de fichier */
input[type="file"] {
    padding: 0.5rem;
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-color);
    width: 100%;
}

input[type="file"]:focus {
    border-color: var(--primary-color);
}

input[type="file"]:hover {
    border-color: var(--primary-color);
    background: #f0f9ff;
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* Section d'implantation */
.implantation-section {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    border-left: 4px solid var(--primary-color);
}

.implantation-container {
    margin: 1.5rem 0;
    text-align: center;
}

.implantation-image {
    max-width: 100%;
    height: auto;
    max-height: 500px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    margin-bottom: 1rem;
    border: 2px solid #e2e8f0;
}

.pdf-placeholder {
    background: white;
    padding: 3rem 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    margin: 1rem 0;
    text-align: center;
    border: 2px dashed var(--border-color);
}

.image-caption {
    font-style: italic;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.5rem;
    background: rgba(255, 255, 255, 0.8);
    padding: 0.5rem;
    border-radius: 4px;
    display: inline-block;
}

/* Conformité réglementaire améliorée */
.regulatory-details {
    margin-top: 1rem;
    background: rgba(255, 255, 255, 0.7);
    padding: 1.5rem;
    border-radius: 8px;
}

.regulatory-details ul {
    list-style: none;
    padding: 0;
}

.regulatory-details li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.regulatory-details li:last-child {
    border-bottom: none;
}

/* Responsive amélioré */
@media (max-width: 768px) {
    .energy-split {
        flex-direction: column;
        gap: 1rem;
    }
    
    .charts-section {
        grid-template-columns: 1fr;
    }
    
    .financial-table {
        font-size: 0.8rem;
    }
    
    .financial-table th,
    .financial-table td {
        padding: 0.5rem 0.3rem;
    }
    
    .environmental-grid {
        grid-template-columns: 1fr;
    }
}

/* Styles d'impression */
@media print {
    .app-header,
    .tabs,
    .form-container,
    .export-container,
    .report-placeholder {
        display: none !important;
    }
    
    .report-container {
        box-shadow: none;
        border-radius: 0;
    }
    
    .pv-report {
        max-width: 100%;
        box-shadow: none;
    }
}

.chart-container { height: 320px; position: relative; }
  /* style d'impression propre si tu passes par le navigateur ensuite */
  @media print {
    body * { visibility: hidden !important; }
    #generated-report, #generated-report * { visibility: visible !important; }
    #generated-report { position: absolute; inset: 0; margin: 0; }
  }

/* HEADER — écran */
.report-header{
  position: relative;
  padding: 3rem 2rem;
  color:#fff;
  background: linear-gradient(135deg,#1e3a8a 0%,#0ea5e9 40%,#f59e0b 100%);
  overflow:hidden;
}
.report-header::before{
  content:"";
  position:absolute; inset:0;
  /* voile sombre progressif pour augmenter le contraste du texte */
  background:
    radial-gradient(120% 90% at 70% 10%, rgba(0,0,0,.25) 0%, rgba(0,0,0,.45) 70%, rgba(0,0,0,.55) 100%),
    linear-gradient(180deg, rgba(0,0,0,.15), rgba(0,0,0,.35));
  pointer-events:none;
}
.report-header > *{ position:relative; z-index:1; }
.report-title{ text-shadow:0 2px 6px rgba(0,0,0,.35); }
.report-subtitle{ text-shadow:0 1px 3px rgba(0,0,0,.35); }

/* badges plus contrastés sur fond gradient */
.header-badges .badge{
  background: rgba(255,255,255,.16);
  border: 1px solid rgba(255,255,255,.32);
  color:#fff;
  backdrop-filter: saturate(1.1) blur(.5px);
}




/* Fin des styles pour le rapport avancé */