/* Admin Styles - APEITE Backoffice */

:root {
    --admin-primary: #1B5E20;
    --admin-primary-dark: #0D3D11;
    --admin-primary-light: #2E7D32;
    --admin-white: #FFFFFF;
    --admin-light-bg: #F5F7FA;
    --admin-sidebar-bg: #1B5E20;
    --admin-sidebar-text: #FFFFFF;
    --admin-text: #212121;
    --admin-text-light: #757575;
    --admin-border: #E0E0E0;
    --admin-border-focus: #1B5E20;
    --admin-error: #C62828;
    --admin-error-bg: #FBE9E7;
    --admin-success: #2E7D32;
    --admin-success-bg: #E8F5E9;
    --admin-warning: #F57F17;
    --admin-warning-bg: #FFF8E1;
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 72px;
    --topbar-height: 64px;
    --transition: 0.2s ease;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--admin-light-bg);
    color: var(--admin-text);
    font-size: 14px;
    line-height: 1.5;
    min-height: 100vh;
}

/* Layout */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
    width: var(--sidebar-width);
    background-color: var(--admin-sidebar-bg);
    color: var(--admin-sidebar-text);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 1000;
    transition: width var(--transition);
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar-logo-img {
    height: 36px;
    width: auto;
}

.sidebar-logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0;
    overflow-y: auto;
}

.sidebar-menu {
    list-style: none;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    width: 100%;
    padding: 0.875rem 1.5rem;
    color: rgba(255,255,255,0.8);
    font-size: 0.9375rem;
    font-weight: 500;
    border: none;
    background: transparent;
    text-align: left;
    cursor: pointer;
    transition: all var(--transition);
}

.sidebar-link:hover {
    background-color: rgba(255,255,255,0.1);
    color: var(--admin-white);
}

.sidebar-link.active {
    background-color: rgba(255,255,255,0.15);
    color: var(--admin-white);
    border-left: 3px solid var(--admin-white);
}

.sidebar-link svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.logout-btn {
    width: 100%;
    color: rgba(255,255,255,0.7);
}

.logout-btn:hover {
    background-color: rgba(255,255,255,0.1);
    color: var(--admin-white);
}

/* Sidebar Overlay for mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0,0,0,0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity var(--transition);
}

.sidebar-overlay.active {
    display: block;
    opacity: 1;
}

/* Main Content */
.admin-main {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: margin-left var(--transition);
}

/* Top Bar */
.admin-topbar {
    height: var(--topbar-height);
    background-color: var(--admin-white);
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--admin-text);
}

.menu-toggle:hover {
    background-color: var(--admin-light-bg);
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.topbar-user span {
    font-weight: 500;
    font-size: 0.9375rem;
}

/* Admin Content */
.admin-content {
    flex: 1;
    padding: 2rem;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

.admin-section {
    display: none;
}

.admin-section.active {
    display: block;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

.section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--admin-border);
}

.section-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--admin-primary);
}

.section-subtitle {
    color: var(--admin-text-light);
    font-size: 0.9375rem;
    margin-top: 0.25rem;
}

/* Cards */
.card {
    background-color: var(--admin-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--admin-border);
    overflow: hidden;
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--admin-border);
    color: var(--admin-text);
}

/* Forms */
.admin-form {
    padding: 1.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: var(--admin-text);
}

.required {
    color: var(--admin-error);
    margin-left: 2px;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--admin-border);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-family: inherit;
    transition: all var(--transition);
    background-color: var(--admin-white);
}

.form-control:focus {
    outline: none;
    border-color: var(--admin-border-focus);
    box-shadow: 0 0 0 3px rgba(27, 94, 32, 0.15);
}

.form-control.error {
    border-color: var(--admin-error);
}

.form-hint {
    display: block;
    margin-top: 0.375rem;
    font-size: 0.8125rem;
    color: var(--admin-text-light);
}

.editor-textarea {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    min-height: 200px;
    resize: vertical;
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    padding-top: 1rem;
    margin-top: 1rem;
    border-top: 1px solid var(--admin-border);
    flex-wrap: wrap;
}

.form-message {
    padding: 0.875rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    display: none;
    margin-top: 1rem;
}

.form-message.success {
    display: block;
    background-color: var(--admin-success-bg);
    color: var(--admin-success);
    border: 1px solid var(--admin-success);
}

.form-message.error {
    display: block;
    background-color: var(--admin-error-bg);
    color: var(--admin-error);
    border: 1px solid var(--admin-error);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    transition: all var(--transition);
    cursor: pointer;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--admin-primary-dark);
    border-color: var(--admin-primary-dark);
}

.btn-secondary {
    background-color: transparent;
    color: var(--admin-primary);
    border-color: var(--admin-primary);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--admin-primary);
    color: var(--admin-white);
}

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

.btn-danger:hover:not(:disabled) {
    background-color: #B71C1C;
    border-color: #B71C1C;
}

.btn-sm {
    padding: 0.5rem 0.875rem;
    font-size: 0.8125rem;
}

/* Dashboard */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--admin-white);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    gap: 1.25rem;
    transition: transform var(--transition), box-shadow var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background-color: rgba(27, 94, 32, 0.1);
    color: var(--admin-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-info {
    flex: 1;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--admin-text);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--admin-text-light);
    margin-top: 0.25rem;
}

.quick-actions {
    background-color: var(--admin-white);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--admin-border);
}

.quick-actions h2 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--admin-text);
}

.action-buttons {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
}

.admin-table th,
.admin-table td {
    padding: 1rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--admin-border);
}

.admin-table th {
    background-color: var(--admin-light-bg);
    font-weight: 600;
    color: var(--admin-text);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.admin-table tbody tr:hover {
    background-color: var(--admin-light-bg);
}

.admin-table td:first-child,
.admin-table th:first-child {
    padding-left: 1.5rem;
}

.admin-table td:last-child,
.admin-table th:last-child {
    padding-right: 1.5rem;
}

.table-image {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.btn-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--admin-text-light);
    background-color: transparent;
    border: 1px solid var(--admin-border);
    transition: all var(--transition);
}

.btn-icon:hover {
    background-color: var(--admin-light-bg);
    color: var(--admin-text);
}

.btn-icon.delete:hover {
    background-color: var(--admin-error-bg);
    color: var(--admin-error);
    border-color: var(--admin-error);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--admin-text-light);
}

.empty-state svg {
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--admin-text);
    margin-bottom: 0.5rem;
}

/* Logos Grid */
.logos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1.5rem;
    padding: 1.5rem;
}

.logo-card {
    background-color: var(--admin-white);
    border: 1px solid var(--admin-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all var(--transition);
    position: relative;
}

.logo-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--admin-primary-light);
}

.logo-card-image {
    max-width: 100%;
    max-height: 80px;
    object-fit: contain;
    margin-bottom: 0.75rem;
}

.logo-card-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--admin-text);
    margin-bottom: 0.5rem;
    word-break: break-word;
}

.logo-card-actions {
    display: flex;
    gap: 0.5rem;
    width: 100%;
    justify-content: center;
}

/* File Upload */
.file-upload {
    position: relative;
}

.file-input {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 10;
}

.file-upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    border: 2px dashed var(--admin-border);
    border-radius: var(--radius-lg);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    background-color: var(--admin-light-bg);
}

.file-upload-label:hover,
.file-upload.dragover .file-upload-label {
    border-color: var(--admin-primary);
    background-color: rgba(27, 94, 32, 0.05);
}

.file-upload-label svg {
    color: var(--admin-primary);
    margin-bottom: 0.75rem;
}

.file-upload-label span {
    font-weight: 500;
    color: var(--admin-text);
}

.file-upload-label small {
    color: var(--admin-text-light);
    margin-top: 0.25rem;
}

.file-preview {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    background-color: var(--admin-light-bg);
    border: 1px solid var(--admin-border);
    border-radius: var(--radius-md);
    margin-top: 0.75rem;
}

.preview-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--admin-text);
    max-width: 70%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.current-file {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--admin-light-bg);
    border: 1px solid var(--admin-border);
    border-radius: var(--radius-md);
    margin-top: 0.75rem;
}

.current-file svg {
    color: var(--admin-primary);
    width: 32px;
    height: 32px;
}

.file-info {
    flex: 1;
}

.file-name {
    font-weight: 500;
    color: var(--admin-text);
}

.file-meta {
    font-size: 0.8125rem;
    color: var(--admin-text-light);
}

/* Danger Zone */
.danger-zone {
    border-color: var(--admin-error) !important;
}

.danger-zone .card-title {
    color: var(--admin-error);
    border-bottom-color: var(--admin-error);
}

.danger-actions {
    padding: 1.5rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

.modal-overlay:not([hidden]) {
    opacity: 1;
    visibility: visible;
}

.modal {
    background-color: var(--admin-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.95) translateY(10px);
    transition: transform var(--transition);
}

.modal-overlay:not([hidden]) .modal {
    transform: scale(1) translateY(0);
}

.modal-lg {
    max-width: 800px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--admin-border);
}

.modal-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--admin-text);
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--admin-text-light);
    background-color: transparent;
    border: none;
    transition: all var(--transition);
}

.modal-close:hover {
    background-color: var(--admin-light-bg);
    color: var(--admin-text);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--admin-border);
    background-color: var(--admin-light-bg);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* Confirm Modal */
.modal-body p {
    color: var(--admin-text);
    line-height: 1.6;
}

/* Logo Preview in Config */
.current-logo {
    margin-bottom: 1.5rem;
}

.current-logo img {
    max-height: 100px;
    max-width: 100%;
    border-radius: var(--radius-md);
    border: 1px solid var(--admin-border);
}

/* Responsive */
@media (max-width: 1024px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }
    
    .admin-sidebar.open {
        transform: translateX(0);
    }
    
    .admin-main {
        margin-left: 0;
    }
    
    .sidebar-overlay.active {
        display: block;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .admin-topbar {
        padding: 0 1rem;
    }
    
    .admin-content {
        padding: 1.5rem 1rem;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .section-header > div:last-child {
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }
    
    .action-buttons .btn {
        width: 100%;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .logos-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }
    
    .admin-table th,
    .admin-table td {
        padding: 0.75rem 1rem;
    }
    
    .admin-table th:first-child,
    .admin-table td:first-child {
        padding-left: 1rem;
    }
    
    .admin-table th:last-child,
    .admin-table td:last-child {
        padding-right: 1rem;
    }
    
    .modal {
        margin: 1rem;
        max-height: calc(100vh - 2rem);
    }
}

/* Utility */
.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Loading */
.loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 24px;
    height: 24px;
    margin: -12px 0 0 -12px;
    border: 3px solid var(--admin-border);
    border-top-color: var(--admin-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Drag and Drop */
.file-upload.dragover .file-upload-label {
    border-color: var(--admin-primary);
    background-color: rgba(27, 94, 32, 0.1);
}