/**
 * French Video Converter - Frontend Styles
 * Styles modernes et responsifs
 */

/* CSS Variables */
:root {
    --fvc-primary: #2563eb;
    --fvc-primary-dark: #1d4ed8;
    --fvc-primary-light: #3b82f6;
    --fvc-secondary: #64748b;
    --fvc-success: #10b981;
    --fvc-warning: #f59e0b;
    --fvc-danger: #ef4444;
    --fvc-bg: #f8fafc;
    --fvc-bg-white: #ffffff;
    --fvc-text: #1e293b;
    --fvc-text-light: #64748b;
    --fvc-border: #e2e8f0;
    --fvc-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --fvc-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --fvc-radius: 12px;
    --fvc-radius-sm: 8px;
    --fvc-transition: all 0.3s ease;
}

/* Reset & Base */
.fvc-converter-wrapper {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    color: var(--fvc-text);
    line-height: 1.6;
}

.fvc-converter-wrapper * {
    box-sizing: border-box;
}

/* Header */
.fvc-header {
    text-align: center;
    margin-bottom: 40px;
}

.fvc-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 10px;
    background: linear-gradient(135deg, var(--fvc-primary) 0%, var(--fvc-primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.fvc-title .fvc-icon {
    display: inline-block;
    margin-right: 10px;
    -webkit-text-fill-color: initial;
}

.fvc-subtitle {
    font-size: 1.125rem;
    color: var(--fvc-text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Main Converter */
.fvc-main-converter {
    background: var(--fvc-bg-white);
    border-radius: var(--fvc-radius);
    padding: 30px;
    box-shadow: var(--fvc-shadow-lg);
    margin-bottom: 40px;
}

/* Input Group */
.fvc-input-group {
    margin-bottom: 25px;
}

.fvc-label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--fvc-text);
}

.fvc-input-wrapper {
    display: flex;
    gap: 10px;
}

.fvc-input {
    flex: 1;
    padding: 15px 20px;
    border: 2px solid var(--fvc-border);
    border-radius: var(--fvc-radius-sm);
    font-size: 1rem;
    transition: var(--fvc-transition);
    background: var(--fvc-bg);
}

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

.fvc-paste-btn {
    padding: 15px 20px;
    border: 2px solid var(--fvc-border);
    border-radius: var(--fvc-radius-sm);
    background: var(--fvc-bg-white);
    cursor: pointer;
    transition: var(--fvc-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--fvc-text-light);
}

.fvc-paste-btn:hover {
    border-color: var(--fvc-primary);
    color: var(--fvc-primary);
}

/* Options Grid */
.fvc-options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.fvc-option-card {
    background: var(--fvc-bg);
    padding: 20px;
    border-radius: var(--fvc-radius-sm);
    border: 1px solid var(--fvc-border);
}

.fvc-option-label {
    display: block;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--fvc-text);
}

/* Format Tabs */
.fvc-format-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.fvc-format-tab {
    flex: 1;
    padding: 12px 20px;
    border: 2px solid var(--fvc-border);
    border-radius: var(--fvc-radius-sm);
    background: var(--fvc-bg-white);
    cursor: pointer;
    font-weight: 500;
    transition: var(--fvc-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.fvc-format-tab:hover {
    border-color: var(--fvc-primary-light);
}

.fvc-format-tab.active {
    border-color: var(--fvc-primary);
    background: var(--fvc-primary);
    color: white;
}

.fvc-format-tab .icon {
    font-size: 1.2rem;
}

/* Select */
.fvc-select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--fvc-border);
    border-radius: var(--fvc-radius-sm);
    font-size: 1rem;
    background: var(--fvc-bg-white);
    cursor: pointer;
    transition: var(--fvc-transition);
}

.fvc-select:focus {
    outline: none;
    border-color: var(--fvc-primary);
}

.fvc-select.fvc-small {
    width: auto;
    display: inline-block;
}

/* Quality Buttons */
.fvc-quality-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.fvc-quality-btn {
    padding: 10px;
    border: 2px solid var(--fvc-border);
    border-radius: var(--fvc-radius-sm);
    background: var(--fvc-bg-white);
    cursor: pointer;
    font-weight: 500;
    transition: var(--fvc-transition);
    text-align: center;
}

.fvc-quality-btn:hover {
    border-color: var(--fvc-primary-light);
}

.fvc-quality-btn.active {
    border-color: var(--fvc-primary);
    background: var(--fvc-primary);
    color: white;
}

/* Advanced Options */
.fvc-advanced-options {
    grid-column: 1 / -1;
}

.fvc-advanced-panel {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--fvc-border);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.fvc-sub-label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    font-weight: 500;
    color: var(--fvc-text);
}

.fvc-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Trim Inputs */
.fvc-trim-inputs {
    display: flex;
    align-items: center;
    gap: 10px;
}

.fvc-trim-input {
    flex: 1;
    padding: 10px 15px;
    border: 2px solid var(--fvc-border);
    border-radius: var(--fvc-radius-sm);
    font-size: 0.9rem;
}

.fvc-trim-separator {
    color: var(--fvc-text-light);
    font-weight: bold;
}

/* Convert Button */
.fvc-convert-btn {
    width: 100%;
    padding: 18px 30px;
    border: none;
    border-radius: var(--fvc-radius-sm);
    background: linear-gradient(135deg, var(--fvc-primary) 0%, var(--fvc-primary-dark) 100%);
    color: white;
    font-size: 1.125rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--fvc-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
}

.fvc-convert-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.5);
}

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

.fvc-convert-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.fvc-convert-btn.fvc-small {
    width: auto;
    padding: 12px 25px;
    font-size: 1rem;
}

/* Spinner */
@keyframes spin {
    to { transform: rotate(360deg); }
}

.spinner {
    animation: spin 1s linear infinite;
}

/* Progress Section */
.fvc-progress-section {
    margin-top: 25px;
    padding: 20px;
    background: var(--fvc-bg);
    border-radius: var(--fvc-radius-sm);
}

.fvc-progress-bar {
    height: 8px;
    background: var(--fvc-border);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 10px;
}

.fvc-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--fvc-primary) 0%, var(--fvc-primary-light) 100%);
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 4px;
}

.fvc-progress-text {
    text-align: center;
    font-weight: 500;
    color: var(--fvc-text-light);
}

/* Result Section */
.fvc-result-section {
    margin-top: 25px;
}

.fvc-result-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 20px;
    padding: 20px;
    background: var(--fvc-bg);
    border-radius: var(--fvc-radius-sm);
    border: 2px solid var(--fvc-success);
}

.fvc-result-thumbnail {
    width: 120px;
    height: 120px;
    border-radius: var(--fvc-radius-sm);
    overflow: hidden;
    background: var(--fvc-border);
}

.fvc-result-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.fvc-result-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.fvc-result-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--fvc-text);
}

.fvc-result-meta {
    display: flex;
    gap: 15px;
    color: var(--fvc-text-light);
    font-size: 0.9rem;
}

.fvc-result-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.fvc-result-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    justify-content: center;
}

.fvc-download-btn {
    padding: 12px 25px;
    border: none;
    border-radius: var(--fvc-radius-sm);
    background: var(--fvc-success);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: var(--fvc-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
}

.fvc-download-btn:hover {
    background: #059669;
    transform: translateY(-2px);
}

.fvc-secondary-btn {
    padding: 12px 25px;
    border: 2px solid var(--fvc-border);
    border-radius: var(--fvc-radius-sm);
    background: var(--fvc-bg-white);
    color: var(--fvc-text);
    font-weight: 600;
    cursor: pointer;
    transition: var(--fvc-transition);
}

.fvc-secondary-btn:hover {
    border-color: var(--fvc-primary);
    color: var(--fvc-primary);
}

/* Batch Section */
.fvc-batch-section {
    background: var(--fvc-bg-white);
    padding: 30px;
    border-radius: var(--fvc-radius);
    box-shadow: var(--fvc-shadow);
    margin-bottom: 40px;
}

.fvc-section-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.fvc-section-title .icon {
    font-size: 1.5rem;
}

.fvc-batch-input {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.fvc-textarea {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid var(--fvc-border);
    border-radius: var(--fvc-radius-sm);
    font-size: 1rem;
    font-family: inherit;
    resize: vertical;
    transition: var(--fvc-transition);
}

.fvc-textarea:focus {
    outline: none;
    border-color: var(--fvc-primary);
}

.fvc-batch-info {
    margin-top: 10px;
    font-size: 0.875rem;
    color: var(--fvc-text-light);
}

/* Platforms Section */
.fvc-platforms-section {
    background: var(--fvc-bg-white);
    padding: 30px;
    border-radius: var(--fvc-radius);
    box-shadow: var(--fvc-shadow);
    margin-bottom: 40px;
}

.fvc-platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
}

.fvc-platform-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    background: var(--fvc-bg);
    border-radius: var(--fvc-radius-sm);
    border: 1px solid var(--fvc-border);
    transition: var(--fvc-transition);
}

.fvc-platform-card:hover {
    border-color: var(--fvc-primary);
    transform: translateY(-3px);
    box-shadow: var(--fvc-shadow);
}

.fvc-platform-icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.fvc-platform-name {
    font-weight: 600;
    color: var(--fvc-text);
}

/* Features Section */
.fvc-features-section {
    background: var(--fvc-bg-white);
    padding: 30px;
    border-radius: var(--fvc-radius);
    box-shadow: var(--fvc-shadow);
    margin-bottom: 40px;
}

.fvc-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.fvc-feature-card {
    padding: 25px;
    background: var(--fvc-bg);
    border-radius: var(--fvc-radius-sm);
    border: 1px solid var(--fvc-border);
    text-align: center;
    transition: var(--fvc-transition);
}

.fvc-feature-card:hover {
    border-color: var(--fvc-primary);
    transform: translateY(-5px);
    box-shadow: var(--fvc-shadow-lg);
}

.fvc-feature-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.fvc-feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
    color: var(--fvc-text);
}

.fvc-feature-card p {
    color: var(--fvc-text-light);
    font-size: 0.95rem;
}

/* FAQ Section */
.fvc-faq-section {
    background: var(--fvc-bg-white);
    padding: 30px;
    border-radius: var(--fvc-radius);
    box-shadow: var(--fvc-shadow);
}

.fvc-faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.fvc-faq-item {
    padding: 20px;
    background: var(--fvc-bg);
    border-radius: var(--fvc-radius-sm);
    border-left: 4px solid var(--fvc-primary);
}

.fvc-faq-item h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--fvc-text);
}

.fvc-faq-item p {
    color: var(--fvc-text-light);
    font-size: 0.95rem;
}

/* Toast Notifications */
.fvc-toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.fvc-toast {
    padding: 15px 20px;
    border-radius: var(--fvc-radius-sm);
    background: var(--fvc-bg-white);
    box-shadow: var(--fvc-shadow-lg);
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 300px;
    animation: slideIn 0.3s ease;
}

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

.fvc-toast.success {
    border-left: 4px solid var(--fvc-success);
}

.fvc-toast.error {
    border-left: 4px solid var(--fvc-danger);
}

.fvc-toast.warning {
    border-left: 4px solid var(--fvc-warning);
}

/* Responsive */
@media (max-width: 768px) {
    .fvc-converter-wrapper {
        padding: 20px 15px;
    }

    .fvc-title {
        font-size: 1.75rem;
    }

    .fvc-main-converter {
        padding: 20px;
    }

    .fvc-result-card {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .fvc-result-thumbnail {
        width: 100%;
        height: 200px;
    }

    .fvc-result-actions {
        flex-direction: row;
    }

    .fvc-features-grid,
    .fvc-faq-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 480px) {
    .fvc-platforms-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .fvc-quality-buttons {
        grid-template-columns: repeat(2, 1fr);
    }
}