/**
 * Altaprod Knowledge Builder - Style principal
 * Version simple et épurée
 */

/* Variables CSS */
:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-secondary: #6b7280;
    --color-secondary-dark: #4b5563;
    --color-bg-page: #f9fafb;
    --color-bg-card: #ffffff;
    --color-text-primary: #1f2937;
    --color-text-secondary: #374151;
    --color-text-muted: #6b7280;
    --color-text-light: #9ca3af;
    --color-border: #e5e7eb;
    --color-success: #10b981;
    --color-error: #ef4444;
    --color-warning: #f59e0b;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--color-bg-page);
    color: var(--color-text-primary);
    line-height: 1.6;
    padding: 20px;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
}

.container-narrow {
    max-width: 1000px;
    margin: 0 auto;
}

/* Header */
header {
    background-color: var(--color-bg-card);
    padding: 24px 32px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text-primary);
}

.user-info {
    color: var(--color-text-muted);
    font-size: 14px;
}

/* Navigation */
.nav {
    background-color: var(--color-bg-card);
    padding: 0;
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 24px;
    display: flex;
    overflow-x: auto;
}

.nav a {
    padding: 16px 24px;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    border-bottom: 3px solid transparent;
    transition: all 0.2s;
    white-space: nowrap;
}

.nav a:hover {
    background-color: var(--color-bg-page);
    color: var(--color-primary);
}

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

/* Breadcrumb */
.breadcrumb {
    background-color: var(--color-bg-card);
    padding: 12px 20px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 14px;
    box-shadow: var(--shadow-sm);
}

.breadcrumb a {
    color: var(--color-primary);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb span {
    color: var(--color-text-muted);
    margin: 0 8px;
}

/* Boutons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--color-primary);
    color: white;
    text-decoration: none;
    border: none;
    border-radius: 6px;
    font-weight: 500;
    font-size: 14px;
    transition: background-color 0.2s;
    cursor: pointer;
}

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

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

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

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

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

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

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-small {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* Cards */
.card {
    background-color: var(--color-bg-card);
    border-radius: 8px;
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: 24px;
}

.card-header {
    background-color: var(--color-text-primary);
    color: white;
    padding: 16px 24px;
    font-size: 18px;
    font-weight: 600;
}

.card-body {
    padding: 24px;
}

.info-bar {
    background-color: var(--color-bg-card);
    padding: 16px 24px;
    border-radius: 8px;
    margin-bottom: 16px;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Statistiques */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background-color: var(--color-bg-card);
    padding: 20px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
}

.stat-card .stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.stat-card .stat-label {
    font-size: 14px;
    color: var(--color-text-muted);
    font-weight: 500;
}

/* Formulaires */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 8px;
    font-size: 14px;
}

.form-group label .required {
    color: var(--color-error);
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.checkbox-item input[type="checkbox"] {
    width: 16px;
    height: 16px;
}

.checkbox-item label {
    margin: 0;
    font-weight: 400;
    cursor: pointer;
}

/* Tables */
table {
    width: 100%;
    background-color: var(--color-bg-card);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border-collapse: collapse;
}

thead {
    background-color: var(--color-text-primary);
    color: white;
}

thead th {
    padding: 16px 12px;
    text-align: left;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

tbody tr {
    border-bottom: 1px solid var(--color-border);
    transition: background-color 0.15s;
}

tbody tr:nth-child(even) {
    background-color: var(--color-bg-page);
}

tbody tr:hover {
    background-color: #dbeafe;
}

tbody td {
    padding: 14px 12px;
    font-size: 14px;
    color: var(--color-text-secondary);
}

tbody td a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

tbody td a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.details-table {
    width: 100%;
    border-collapse: collapse;
}

.details-table tr {
    border-bottom: 1px solid var(--color-border);
}

.details-table tr:last-child {
    border-bottom: none;
}

.details-table td {
    padding: 16px 24px;
    vertical-align: top;
}

.details-table td:first-child {
    font-weight: 600;
    color: var(--color-text-primary);
    width: 200px;
    background-color: var(--color-bg-page);
}

.details-table td:last-child {
    color: var(--color-text-secondary);
}

/* Messages */
.message {
    padding: 16px;
    border-radius: 6px;
    margin-bottom: 24px;
    border-left: 4px solid;
}

.message-success {
    background-color: #d1fae5;
    border-color: var(--color-success);
    color: #065f46;
}

.message-error {
    background-color: #fef2f2;
    border-color: var(--color-error);
    color: #991b1b;
}

.message-warning {
    background-color: #fef3c7;
    border-color: var(--color-warning);
    color: #92400e;
}

.message-info {
    background-color: #dbeafe;
    border-color: var(--color-primary);
    color: #1e40af;
}

/* Empty state */
.empty-state {
    background-color: var(--color-bg-card);
    padding: 60px 40px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
}

.empty-state h2 {
    font-size: 20px;
    color: var(--color-text-muted);
    margin-bottom: 12px;
}

.empty-state p {
    color: var(--color-text-light);
    margin-bottom: 24px;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 13px;
    font-weight: 500;
}

.badge-primary {
    background-color: #dbeafe;
    color: #1e40af;
}

.badge-success {
    background-color: #d1fae5;
    color: #065f46;
}

.badge-error {
    background-color: #fef2f2;
    color: #991b1b;
}

.id-badge {
    display: inline-block;
    background-color: #dbeafe;
    color: #1e40af;
    padding: 4px 12px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 13px;
}

/* Utilitaires */
.text-center {
    text-align: center;
}

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

.text-muted {
    color: var(--color-text-muted);
}

.text-long {
    white-space: pre-wrap;
    line-height: 1.8;
}

.link {
    color: var(--color-primary);
    text-decoration: none;
    word-break: break-all;
}

.link:hover {
    text-decoration: underline;
}

.mb-1 {
    margin-bottom: 8px;
}

.mb-2 {
    margin-bottom: 16px;
}

.mb-3 {
    margin-bottom: 24px;
}

.mt-1 {
    margin-top: 8px;
}

.mt-2 {
    margin-top: 16px;
}

.mt-3 {
    margin-top: 24px;
}

/* Footer */
footer {
    text-align: center;
    margin-top: 48px;
    padding: 24px;
    color: var(--color-text-muted);
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    body {
        padding: 12px;
    }

    header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .nav {
        flex-direction: column;
    }

    .nav a {
        border-bottom: none;
        border-left: 3px solid transparent;
    }

    .nav a.active {
        border-bottom: none;
        border-left-color: var(--color-primary);
    }

    .info-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }

    thead th {
        padding: 12px 8px;
        font-size: 12px;
    }

    tbody td {
        padding: 12px 8px;
        font-size: 13px;
    }

    .details-table td {
        display: block;
        width: 100%;
        padding: 12px 16px;
    }

    .details-table td:first-child {
        background-color: #f3f4f6;
        font-weight: 700;
        border-bottom: none;
        padding-bottom: 8px;
    }

    .details-table td:last-child {
        padding-top: 8px;
    }

    .details-table tr {
        border-bottom: 2px solid var(--color-border);
    }

    .btn-group {
        width: 100%;
    }

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