/**
 * BeWriter.app - Styles principaux
 * Design: Noir / Blanc / Gris — Corporate
 */

:root {
    /* Couleurs principales */
    --bg-white: #ffffff;
    --bg-gray-50: #fafafa;
    --bg-gray-100: #f4f4f5;
    --bg-gray-200: #e4e4e7;
    
    --text-primary: #18181b;
    --text-secondary: #52525b;
    --text-muted: #a1a1aa;
    
    --accent-blue: #18181b;
    --accent-blue-dark: #000000;
    --accent-blue-light: #f4f4f5;
    
    --success: #22c55e;
    --warning: #eab308;
    --error: #ef4444;
    
    --border: #e4e4e7;
    --shadow: rgba(0, 0, 0, 0.06);
    --shadow-lg: rgba(0, 0, 0, 0.1);
    
    /* Polices */
    --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', 'Helvetica', sans-serif;
    
    /* Espacements */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    
    /* Animations */
    --transition: all 0.15s ease;
}

/* === DARK MODE === */
[data-theme="dark"] {
    --bg-white: #18181b;
    --bg-gray-50: #111113;
    --bg-gray-100: #27272a;
    --bg-gray-200: #3f3f46;
    
    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    
    --accent-blue: #fafafa;
    --accent-blue-dark: #ffffff;
    --accent-blue-light: #27272a;
    
    --border: #3f3f46;
    --shadow: rgba(0, 0, 0, 0.3);
    --shadow-lg: rgba(0, 0, 0, 0.5);
    
    color-scheme: dark;
}

/* Theme toggle button */
.theme-toggle {
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.375rem;
    cursor: pointer;
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.theme-toggle:hover {
    background: var(--bg-gray-100);
    color: var(--text-primary);
    border-color: var(--text-muted);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    background: var(--bg-gray-50);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}

/* === CONTAINER === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container-wide {
    max-width: 1400px;
}

/* === HEADER === */
.app-header {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
    padding: var(--space-lg) var(--space-xl);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px var(--shadow);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.025em;
}

.logo-icon {
    font-size: 1rem;
    font-weight: 800;
    background: var(--text-primary);
    color: white;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    font-size: 0.75rem;
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.625rem 1.25rem;
    border-radius: 8px;
    border: none;
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--accent-blue-dark);
    box-shadow: 0 2px 8px var(--shadow);
}

.btn-secondary {
    background: var(--bg-white);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-gray-50);
    border-color: var(--text-muted);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    background: var(--bg-gray-100);
    color: var(--text-primary);
}

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

.btn-success:hover {
    background: #059669;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

.btn-icon {
    padding: 0.5rem;
    border-radius: 6px;
}

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

/* === CARDS === */
.card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: var(--space-xl);
    transition: var(--transition);
}

.card:hover {
    box-shadow: 0 4px 20px var(--shadow);
}

.card-header {
    margin-bottom: var(--space-lg);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-description {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-top: var(--space-sm);
}

/* === GRID === */
.grid {
    display: grid;
    gap: var(--space-lg);
}

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

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

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
    .grid-3, .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* === ONBOARDING STEPS === */
.onboarding-steps {
    display: flex;
    gap: var(--space-lg);
    margin: var(--space-2xl) 0;
}

.step-card {
    flex: 1;
    background: var(--bg-white);
    border: 2px solid var(--border);
    border-radius: 16px;
    padding: var(--space-xl);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.step-card:hover {
    border-color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px var(--shadow-lg);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--text-primary);
    color: var(--bg-white);
    border-radius: 50%;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.step-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.step-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.step-description {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

/* === FORMS === */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    font-size: 0.9375rem;
}

.form-label-required::after {
    content: ' *';
    color: var(--error);
}

.form-help {
    display: block;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.9375rem;
    color: var(--text-primary);
    transition: var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--text-primary);
    box-shadow: 0 0 0 2px var(--shadow);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

/* === MODAL === */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--space-lg);
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal {
    background: var(--bg-white);
    border-radius: 16px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px var(--shadow-lg);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    padding: var(--space-xl);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 600;
}

.modal-body {
    padding: var(--space-xl);
}

.modal-footer {
    padding: var(--space-xl);
    border-top: 1px solid var(--border);
    display: flex;
    gap: var(--space-md);
    justify-content: flex-end;
}

/* === QUALITY SCORE === */
.quality-score-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-white);
    border: 2px solid var(--border);
    border-radius: 12px;
    font-weight: 600;
}

.quality-score-value {
    font-size: 2rem;
}

.quality-score-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* === RECOMMENDATIONS === */
.recommendation-item {
    background: var(--bg-gray-50);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: var(--space-md);
    margin-bottom: var(--space-md);
    display: flex;
    gap: var(--space-md);
}

.recommendation-item.priority-high {
    border-left: 4px solid var(--error);
}

.recommendation-item.priority-medium {
    border-left: 4px solid var(--warning);
}

.recommendation-item.priority-low {
    border-left: 4px solid #a1a1aa;
}

.recommendation-icon {
    flex-shrink: 0;
    font-size: 1.5rem;
}

.recommendation-content {
    flex: 1;
}

.recommendation-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.recommendation-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* === TOAST === */
.toast {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: var(--space-md) var(--space-lg);
    box-shadow: 0 10px 40px var(--shadow-lg);
    z-index: 2000;
    animation: slideIn 0.3s ease;
}

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

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

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

.toast.info {
    border-left: 4px solid var(--text-primary);
}

/* === LOADING === */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border);
    border-top-color: var(--text-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* === UTILITY === */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.hidden { display: none !important; }
.flex { display: flex; }
.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* Modal Avant/Après */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 1200px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    padding: 2rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.2s;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 2rem;
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.comparison-panel {
    display: flex;
    flex-direction: column;
}

.comparison-panel h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border);
}

.comparison-panel.before h3 {
    color: var(--warning);
    border-bottom-color: var(--warning);
}

.comparison-panel.after h3 {
    color: var(--success);
    border-bottom-color: var(--success);
}

.comparison-content {
    flex: 1;
    background: var(--bg-gray-50);
    padding: 1.5rem;
    border-radius: 8px;
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--text-primary);
    overflow-y: auto;
    max-height: 400px;
}

.comparison-content p {
    margin-bottom: 1rem;
}

.comparison-content h1,
.comparison-content h2,
.comparison-content h3 {
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.comparison-content strong {
    font-weight: 700;
    background: rgba(34, 197, 94, 0.1);
    padding: 0.1rem 0.3rem;
    border-radius: 3px;
}

.modal-footer {
    padding: 2rem;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

.modal-footer button {
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.modal-footer .btn-cancel {
    background: var(--bg-gray-100);
    color: var(--text-primary);
}

.modal-footer .btn-cancel:hover {
    background: var(--border);
}

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

.modal-footer .btn-validate:hover {
    background: #059669;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

@media (max-width: 768px) {
    .comparison-grid {
        grid-template-columns: 1fr;
    }

    .modal-content {
        width: 95%;
        max-height: 95vh;
    }
}

/* === PAGE LOGIQUE / TRAÇABILITÉ === */

.logic-timeline {
    position: relative;
    padding-left: 3rem;
}

.logic-step {
    position: relative;
    margin-bottom: 2rem;
    padding-bottom: 0.5rem;
}

.logic-step::before {
    content: attr(data-step);
    position: absolute;
    left: -3rem;
    top: 0;
    width: 2.25rem;
    height: 2.25rem;
    background: var(--text-primary);
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 700;
    z-index: 1;
}

.logic-step::after {
    content: '';
    position: absolute;
    left: -1.875rem;
    top: 2.25rem;
    bottom: -2rem;
    width: 2px;
    background: var(--border);
}

.logic-step:last-child::after {
    display: none;
}

.logic-step-title {
    font-weight: 600;
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.logic-step-source {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    font-style: italic;
}

.logic-step-content {
    background: var(--bg-gray-50);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem 1.25rem;
    font-size: 0.875rem;
}

.logic-step-content dl {
    margin: 0;
}

.logic-step-content dt {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.125rem;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.logic-step-content dd {
    margin-left: 0;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    line-height: 1.5;
}

.logic-step-content dd:last-child {
    margin-bottom: 0;
}

.code-block-wrapper {
    position: relative;
    margin-bottom: 2rem;
}

.code-block-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.code-block-header h3 {
    margin: 0;
    font-size: 1.25rem;
}

.code-block {
    background: #1e293b;
    color: #e2e8f0;
    border-radius: 10px;
    padding: 1.5rem;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', 'Courier New', monospace;
    font-size: 0.8125rem;
    line-height: 1.8;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 500px;
    overflow-y: auto;
}

.code-block .code-section-label {
    color: #60a5fa;
    font-weight: 700;
}

.code-block .code-key {
    color: #a78bfa;
}

.code-block .code-value {
    color: #34d399;
}

.code-block-copy {
    background: rgba(255, 255, 255, 0.1);
    color: #e2e8f0;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8125rem;
    transition: var(--transition);
}

.code-block-copy:hover {
    background: rgba(255, 255, 255, 0.2);
}

.logic-meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.logic-meta-item {
    background: var(--bg-gray-50);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
}

.logic-meta-item .meta-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.375rem;
}

.logic-meta-item .meta-value {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logic-badge {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.logic-badge-active {
    background: #dcfce7;
    color: #166534;
}

.logic-badge-inactive {
    background: var(--bg-gray-100);
    color: var(--text-muted);
}

.logic-no-context {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    background: var(--bg-gray-50);
    border-radius: 8px;
    border: 1px dashed var(--border);
}