/* Variables CSS */
:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #059669;
    --danger-color: #dc2626;
    --warning-color: #d97706;
    --info-color: #0891b2;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-color: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --border-radius: 12px;
    --shadow: 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);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 16px;
    --line-height: 1.6;
}

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height);
    color: var(--text-color);
    background-color: var(--bg-color);
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    padding: 20px;
    text-align: center;
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.header p {
    font-size: 1.2rem;
    color: var(--text-muted);
    font-weight: 400;
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: all 0.3s ease;
    margin-bottom: 30px;
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: white;
    padding: 20px 30px;
}

.card-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.card-header h2 {
    font-size: 1.3rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
}

.card-header select.form-control {
    max-width: 180px;
    min-width: 120px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    font-size: 0.9rem;
}

.card-header select.form-control:focus {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.card-header select.form-control option {
    background: var(--primary-color);
    color: white;
}

.card-body {
    padding: 30px;
}

/* Form elements */
.form-group {
    margin-bottom: 25px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: var(--font-size-base);
    font-family: inherit;
    transition: all 0.3s ease;
    background: var(--card-bg);
    color: var(--text-color);
    resize: vertical;
    min-height: 120px;
}

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

/* Settings grid */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
    padding: 20px;
    background: var(--bg-color);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: var(--font-size-base);
    font-family: inherit;
    background: var(--card-bg);
    color: var(--text-color);
    transition: all 0.3s ease;
}

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

/* Character counter */
.char-counter {
    margin-top: 8px;
    font-size: 0.9rem;
    color: var(--text-muted);
    text-align: right;
}

/* Buttons */
.action-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: var(--font-size-base);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    min-height: 48px;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: #475569;
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover {
    background: var(--bg-color);
    border-color: var(--text-color);
    transform: translateY(-1px);
}

/* Result area */
.result-area {
    margin-top: 20px;
}

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

#result-content {
    line-height: 1.6;
}

/* General settings */
.general-settings {
    margin: 20px 0;
    padding: 20px;
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    border-radius: var(--border-radius);
    border: 1px solid #cbd5e1;
}

.general-settings h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.general-settings .settings-grid {
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid #e2e8f0;
}

/* Advanced settings */
.advanced-settings {
    margin: 20px 0;
    padding: 20px;
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    border-radius: var(--border-radius);
    border: 1px solid #cbd5e1;
}

.advanced-settings h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.advanced-settings .settings-grid {
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid #e2e8f0;
}

/* Naturality settings */
.naturality-settings {
    margin: 20px 0;
    padding: 20px;
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    border-radius: var(--border-radius);
    border: 1px solid #bae6fd;
}

.naturality-settings h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.naturality-settings .settings-grid {
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid #e0f2fe;
}

/* Slider controls */
.slider-control {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 8px;
}

.slider-btn {
    width: 32px;
    height: 32px;
    border: 2px solid var(--primary-color);
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-weight: bold;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn:hover {
    background: var(--primary-hover);
    transform: scale(1.1);
}

.slider-btn:active {
    transform: scale(0.95);
}

.slider {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: #e2e8f0;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.slider::-webkit-slider-thumb:hover {
    background: var(--primary-hover);
    transform: scale(1.2);
}

.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.slider::-moz-range-thumb:hover {
    background: var(--primary-hover);
}

/* Presets section */
.presets-section {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #bae6fd;
}

.presets-section h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.preset-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.preset-btn {
    padding: 8px 16px;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.preset-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
}

.preset-btn:active {
    transform: translateY(0);
}

/* Value display */
.naturality-settings label span {
    font-weight: 600;
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.9rem;
}

/* Pitch labels */
.pitch-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 5px;
    font-size: 0.8rem;
    color: #6b7280;
}

.pitch-label {
    text-align: center;
    flex: 1;
    padding: 2px 4px;
    border-radius: 4px;
    background: rgba(107, 114, 128, 0.1);
}

/* Notifications */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 12px 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 1000;
    animation: slideIn 0.3s ease-out;
    max-width: 300px;
}

.notification-success {
    border-left: 4px solid #10b981;
    background: #f0fdf4;
}

.notification-info {
    border-left: 4px solid #3b82f6;
    background: #eff6ff;
}

.notification-error {
    border-left: 4px solid #ef4444;
    background: #fef2f2;
}

.notification i {
    font-size: 1.1rem;
}

.notification-success i {
    color: #10b981;
}

.notification-info i {
    color: #3b82f6;
}

.notification-error i {
    color: #ef4444;
}

.notification-close {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: #6b7280;
    margin-left: auto;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.notification-close:hover {
    background: #f3f4f6;
    color: #374151;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Audio player */
.audio-player {
    margin: 15px 0;
    width: 100%;
}

.download-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--success-color);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.download-link:hover {
    background: #047857;
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.error-message {
    color: var(--danger-color);
    background: #fef2f2;
    border: 1px solid #fecaca;
    padding: 15px;
    border-radius: 6px;
    margin: 10px 0;
}

.success-message {
    color: var(--success-color);
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    padding: 15px;
    border-radius: 6px;
    margin: 10px 0;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .settings-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .card-body {
        padding: 20px;
    }
    
    .header {
        padding: 20px 0;
        margin-bottom: 20px;
    }
}

@media (max-width: 600px) {
    .card-header-content {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    .card-header select.form-control {
        max-width: 100%;
        min-width: 0;
    }
}

/* Ajout pour aligner label et sélecteur de langue */
.text-lang-row {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 8px;
}
.text-lang-row label {
    margin-bottom: 0;
    font-weight: 500;
    white-space: nowrap;
}
.text-lang-row select.form-control {
    max-width: 180px;
    min-width: 100px;
    flex-shrink: 0;
}
@media (max-width: 600px) {
    .text-lang-row {
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
    }
    .text-lang-row select.form-control {
        max-width: 100%;
        min-width: 0;
    }
}

/* Drapeaux dans le sélecteur de langue */
.custom-select-flag-wrapper {
    position: relative;
    display: inline-block;
    width: 180px;
}
.custom-select-flag {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.3);
    color: white;
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.95rem;
    min-height: 36px;
    transition: background 0.2s;
}
.custom-select-flag:hover {
    background: rgba(255,255,255,0.2);
}
.flag-icon {
    width: 22px;
    height: 16px;
    object-fit: contain;
    border-radius: 2px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.08);
    background: #fff;
}
#lang-select.with-flags {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    z-index: 10;
    background: #fff;
    color: #222;
    border-radius: 6px;
    border: 1px solid #ccc;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    font-size: 0.95rem;
    padding: 6px 0;
}
#lang-select.with-flags option {
    padding-left: 32px;
}
@media (max-width: 600px) {
    .custom-select-flag-wrapper {
        width: 100%;
    }
}

/* Liste déroulante custom pour les langues avec drapeaux */
#lang-select-custom-wrapper {
    position: relative;
    min-width: 180px;
    z-index: 20;
}
.custom-select-flag-list {
    position: absolute;
    left: 0;
    top: 110%;
    width: 100%;
    background: #fff;
    color: #222;
    border-radius: 6px;
    border: 1px solid #ccc;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    font-size: 0.95rem;
    margin: 0;
    padding: 4px 0;
    list-style: none;
    max-height: 260px;
    overflow-y: auto;
    z-index: 100;
}
.custom-select-flag-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 16px;
    cursor: pointer;
    transition: background 0.15s;
}
.custom-select-flag-item.selected,
.custom-select-flag-item:hover {
    background: #e5e7eb;
    color: #111;
}
.custom-select-flag-item img.flag-icon {
    width: 22px;
    height: 16px;
    object-fit: contain;
    border-radius: 2px;
    background: #fff;
    box-shadow: 0 1px 2px rgba(0,0,0,0.08);
}
@media (max-width: 600px) {
    #lang-select-custom-wrapper {
        min-width: 100%;
    }
}

/* Correction largeur sélecteur langue audio dans le formulaire */
.audio-lang-select-group .custom-select-flag {
    max-width: 200px;
    min-width: 140px;
    width: 100%;
    margin: 0;
    display: flex;
    align-items: center;
}
.audio-lang-select-group {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
@media (max-width: 600px) {
    .audio-lang-select-group .custom-select-flag {
        max-width: 100%;
        min-width: 0;
    }
}

/* Harmonisation du style Langue du son avec Voice selection */
.audio-lang-select-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
    font-size: 1rem;
    line-height: 1.3;
}
.audio-lang-select-group .custom-select-flag,
.audio-lang-select-group .custom-select-flag-wrapper,
.audio-lang-select-group .custom-select-flag-list {
    min-width: 120px;
    max-width: 180px;
    width: 100%;
    box-sizing: border-box;
}
.audio-lang-select-group .custom-select-flag {
    min-height: 44px;
    font-size: 1rem;
    background: var(--card-bg);
    color: var(--text-color);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    padding: 10px 12px;
    transition: border 0.2s;
}
.audio-lang-select-group .custom-select-flag-list {
    min-width: 120px;
    max-width: 180px;
    width: 100%;
}
@media (max-width: 600px) {
    .audio-lang-select-group .custom-select-flag,
    .audio-lang-select-group .custom-select-flag-wrapper,
    .audio-lang-select-group .custom-select-flag-list {
        min-width: 0;
        max-width: 100%;
        width: 100%;
    }
}

/* Style pour le sélecteur de langue d'interface (header) */
.interface-lang-select-group {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    min-width: 180px;
    margin-left: 20px;
}
.interface-lang-select-group .custom-select-flag-wrapper {
    width: 180px;
    max-width: 220px;
}
@media (max-width: 600px) {
    .interface-lang-select-group {
        align-items: stretch;
        margin-left: 0;
        margin-top: 10px;
    }
    .interface-lang-select-group .custom-select-flag-wrapper {
        width: 100%;
        max-width: 100%;
    }
}

/* Style pour le sélecteur de langue audio (formulaire) */
.audio-lang-select-group {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    min-width: 160px;
    max-width: 220px;
    margin-bottom: 0;
}
.audio-lang-select-group .custom-select-flag-wrapper {
    width: 180px;
    max-width: 220px;
}
@media (max-width: 600px) {
    .audio-lang-select-group {
        max-width: 100%;
        min-width: 0;
    }
    .audio-lang-select-group .custom-select-flag-wrapper {
        width: 100%;
        max-width: 100%;
    }
}