/**
 * Styles du Simulateur Woyofal
 * Thème inspiré de Senelec (bleu/vert)
 * Mobile-first responsive design
 */

/* Variables CSS */
:root {
    --primary: #0066B3;
    --primary-dark: #004d86;
    --primary-light: #3399cc;
    --success: #28A745;
    --success-light: #d4edda;
    --warning: #FFC107;
    --warning-light: #fff3cd;
    --danger: #DC3545;
    --danger-light: #f8d7da;
    --info: #17A2B8;
    --info-light: #d1ecf1;
    --light: #F8F9FA;
    --dark: #343A40;
    --gray: #6c757d;
    --gray-light: #e9ecef;
    --white: #ffffff;

    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --border-radius: 8px;
    --shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.6;
    min-height: 100vh;
}

/* Container principal */
.app-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0;
    background-color: var(--white);
    min-height: 100vh;
}

/* Header */
.app-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 1.5rem 1rem;
    text-align: center;
}

.app-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.app-header .subtitle {
    font-size: 0.875rem;
    opacity: 0.9;
}

/* Navigation par onglets */
.nav-tabs {
    display: flex;
    background-color: var(--white);
    border-bottom: 2px solid var(--gray-light);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.nav-tab {
    flex: 1;
    min-width: fit-content;
    padding: 0.75rem 1rem;
    text-align: center;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--gray);
    background: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
}

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

.nav-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.nav-tab i {
    display: block;
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

/* Sections */
.section {
    display: none;
    padding: 1rem;
}

.section.active {
    display: block;
}

.section-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary);
}

/* Cartes */
.card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid var(--gray-light);
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--dark);
}

/* Barre de consommation par tranches */
.tranches-bar-container {
    position: relative;
    margin: 0.5rem 0;
}

.tranches-bar {
    display: flex;
    background-color: var(--gray-light);
    border-radius: 10px;
    height: 24px;
    overflow: hidden;
}

.bar-segment {
    height: 100%;
    transition: width 0.5s ease;
}

.bar-segment.tranche1 { background-color: var(--success); }
.bar-segment.tranche2 { background-color: var(--warning); }
.bar-segment.tranche3 { background-color: var(--danger); }

.seuil-marker {
    position: absolute;
    top: 0;
    width: 2px;
    height: 24px;
    background-color: var(--dark);
    opacity: 0.3;
}

/* Labels des tranches */
.tranches-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    position: relative;
    margin-top: 0.25rem;
    color: var(--gray);
    height: 1.2em;
}

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

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

.form-input {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    border: 2px solid var(--gray-light);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 179, 0.1);
}

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

select.form-input {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

.input-group {
    display: flex;
    gap: 0.5rem;
}

.input-group .form-input {
    flex: 1;
}

/* Boutons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

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

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

.btn-success:hover {
    background-color: #218838;
}

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

.btn-danger:hover {
    background-color: #c82333;
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

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

.btn-block {
    width: 100%;
}

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

.btn-group {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.btn-group .btn {
    flex: 1;
}

/* Alertes */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.alert-success {
    background-color: var(--success-light);
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-warning {
    background-color: var(--warning-light);
    color: #856404;
    border: 1px solid #ffeeba;
}

.alert-danger {
    background-color: var(--danger-light);
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-info {
    background-color: var(--info-light);
    color: #0c5460;
    border: 1px solid #bee5eb;
}

.alert.hidden {
    display: none;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
}

.badge-tranche1 {
    background-color: var(--success);
    color: var(--white);
}

.badge-tranche2 {
    background-color: var(--warning);
    color: var(--dark);
}

.badge-tranche3 {
    background-color: var(--danger);
    color: var(--white);
}

/* Résultats de simulation */
.simulation-result {
    background-color: var(--light);
    border-radius: var(--border-radius);
    padding: 1rem;
}

.result-header {
    text-align: center;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--border-radius);
    color: var(--white);
    margin-bottom: 1rem;
}

.result-kwh {
    font-size: 2rem;
    font-weight: 700;
}

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

.calculation-detail {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 1rem;
}

.calculation-detail h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.calc-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--gray-light);
    font-size: 0.875rem;
}

.calc-row:last-child {
    border-bottom: none;
}

.calc-row.redevance {
    color: var(--danger);
}

.calc-row.total {
    font-weight: 600;
    font-size: 1rem;
    border-top: 2px solid var(--dark);
    margin-top: 0.5rem;
    padding-top: 0.75rem;
}

.calc-label {
    color: var(--gray);
}

.calc-value {
    font-weight: 500;
    color: var(--dark);
}

.calc-summary {
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px dashed var(--gray-light);
}

.tranches-detail {
    margin: 0.5rem 0;
    padding: 0.5rem;
    background-color: var(--light);
    border-radius: var(--border-radius);
}

.tranche-row {
    font-size: 0.8rem;
}

/* Historique */
.historique-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.historique-item {
    background-color: var(--white);
    border: 1px solid var(--gray-light);
    border-radius: var(--border-radius);
    padding: 0.75rem;
}

.historique-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.historique-date {
    font-size: 0.75rem;
    color: var(--gray);
}

.btn-delete {
    background: none;
    border: none;
    color: var(--danger);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.historique-content {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0.5rem;
    text-align: center;
}

.historique-montant {
    font-weight: 600;
    color: var(--primary);
}

.historique-kwh {
    font-weight: 500;
    color: var(--success);
}

.historique-tranche {
    font-size: 0.75rem;
    color: var(--gray);
}

/* Tableau de comparaison */
.comparison-table {
    overflow-x: auto;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

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

.comparison-table th {
    background-color: var(--light);
    font-weight: 600;
    color: var(--dark);
}

.comparison-table tr.best-scenario {
    background-color: var(--success-light);
}

/* Stats Dashboard */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.stat-card {
    background-color: var(--white);
    border: 1px solid var(--gray-light);
    border-radius: var(--border-radius);
    padding: 1rem;
    text-align: center;
}

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

.stat-label {
    font-size: 0.75rem;
    color: var(--gray);
    margin-top: 0.25rem;
}

/* Graphique */
.chart-container {
    position: relative;
    height: 250px;
    margin: 1rem 0;
}

/* Toast notifications */
.toast {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    background-color: var(--dark);
    color: var(--white);
    font-size: 0.875rem;
    z-index: 1000;
    opacity: 0;
    transition: all 0.3s ease;
    max-width: 90%;
    text-align: center;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

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

.toast-error {
    background-color: var(--danger);
}

/* Utilitaires */
.text-muted {
    color: var(--gray);
}

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

.hidden {
    display: none !important;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }

/* Info box */
.info-box {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem;
    background-color: var(--info-light);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    color: #0c5460;
}

.info-box i {
    font-size: 1.25rem;
    flex-shrink: 0;
}

/* Responsive - Tablette */
@media (min-width: 600px) {
    .app-container {
        margin: 1rem auto;
        border-radius: var(--border-radius);
        box-shadow: var(--shadow-lg);
        min-height: auto;
    }

    .app-header {
        border-radius: var(--border-radius) var(--border-radius) 0 0;
    }

    .nav-tab {
        font-size: 0.875rem;
        padding: 1rem;
    }

    .section {
        padding: 1.5rem;
    }

    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Responsive - Desktop */
@media (min-width: 900px) {
    .app-container {
        max-width: 900px;
    }

    .stats-grid {
        grid-template-columns: repeat(5, 1fr);
    }

    .historique-content {
        display: flex;
        justify-content: space-between;
        text-align: left;
    }
}

/* Animation pulse pour les alertes */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

.alert-warning {
    animation: pulse 2s infinite;
}

/* Effet de brillance sur les boutons */
.btn-primary {
    position: relative;
    overflow: hidden;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 40%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 60%
    );
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.btn-primary:hover::after {
    transform: translateX(100%);
}

/* Header avec logo */
.header-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.app-logo {
    width: 50px;
    height: 50px;
    object-fit: contain;
    border-radius: 8px;
    background-color: var(--white);
    padding: 4px;
}

/* Footer */
.app-footer {
    background-color: var(--dark);
    color: var(--white);
    text-align: center;
    padding: 1rem;
    font-size: 0.875rem;
}

.app-footer p {
    margin: 0;
    opacity: 0.9;
}

.app-footer .disclaimer {
    font-size: 0.75rem;
    opacity: 0.7;
    margin-bottom: 0.5rem;
    font-style: italic;
}

.app-footer a {
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 500;
}

.app-footer a:hover {
    text-decoration: underline;
    color: var(--white);
}

/* Guide d'utilisation */
.guide-example {
    background-color: var(--gray-light);
    border-left: 4px solid var(--primary);
    padding: 1rem;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    margin-top: 0.5rem;
    font-size: 0.9rem;
    line-height: 1.7;
}

.guide-example strong {
    color: var(--primary-dark);
}

#guide .card {
    margin-bottom: 1rem;
}

#guide .card-title {
    color: var(--primary);
    border-bottom: 2px solid var(--primary-light);
    padding-bottom: 0.5rem;
    margin-bottom: 0.75rem;
}

/* Responsive logo */
@media (max-width: 480px) {
    .app-logo {
        width: 40px;
        height: 40px;
    }

    .header-content {
        gap: 0.75rem;
    }
}