/**
 * Tom's Java Jive - Admin Stylesheet
 */

:root {
    --admin-primary: #E86A33;
    --admin-primary-dark: #C4562A;
    --admin-secondary: #8B4513;
    --admin-success: #10B981;
    --admin-warning: #F59E0B;
    --admin-error: #EF4444;
    --admin-info: #3B82F6;
    
    --admin-bg: #F3F4F6;
    --admin-surface: #FFFFFF;
    --admin-border: #E5E7EB;
    --admin-text: #111827;
    --admin-text-muted: #6B7280;
    --admin-text-light: #9CA3AF;
    
    --admin-sidebar-bg: #1F2937;
    --admin-sidebar-text: #E5E7EB;
    --admin-sidebar-active: rgba(232, 106, 51, 0.2);
    
    --admin-radius: 8px;
    --admin-shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --admin-shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
}

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

body.admin-body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 0.9375rem;
    background: var(--admin-bg);
    color: var(--admin-text);
    line-height: 1.5;
}

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

/* Sidebar */
.admin-sidebar {
    width: 260px;
    background: var(--admin-sidebar-bg);
    color: var(--admin-sidebar-text);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 1.25rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.admin-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.125rem;
}

.admin-logo .logo-img {
    height: 32px;
    width: auto;
}

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

.nav-group {
    margin-bottom: 0.5rem;
}

.nav-group-title {
    display: block;
    padding: 0.5rem 1.25rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--admin-text-light);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1.25rem;
    color: var(--admin-sidebar-text);
    text-decoration: none;
    transition: all 0.15s ease;
}

.nav-item:hover {
    background: rgba(255,255,255,0.05);
    color: white;
}

.nav-item.active {
    background: var(--admin-sidebar-active);
    color: var(--admin-primary);
    border-right: 3px solid var(--admin-primary);
}

.nav-item i {
    width: 20px;
    text-align: center;
    opacity: 0.7;
}

.nav-item.active i {
    opacity: 1;
}

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

/* Main Content */
.admin-main {
    flex: 1;
    margin-left: 260px;
    display: flex;
    flex-direction: column;
}

/* Header */
.admin-header {
    background: var(--admin-surface);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid var(--admin-border);
    position: sticky;
    top: 0;
    z-index: 50;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--admin-text);
}

.header-search {
    flex: 1;
    max-width: 400px;
    position: relative;
}

.header-search i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--admin-text-light);
}

.header-search input {
    width: 100%;
    padding: 0.5rem 0.75rem 0.5rem 2.5rem;
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    font-size: 0.875rem;
    background: var(--admin-bg);
}

.header-search input:focus {
    outline: none;
    border-color: var(--admin-primary);
    background: var(--admin-surface);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-left: auto;
}

.admin-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Content Area */
.admin-content {
    flex: 1;
    padding: 1.5rem;
}

/* Page Header */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--admin-text);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--admin-surface);
    border-radius: var(--admin-radius);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--admin-shadow);
}

.stat-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--admin-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.stat-card-icon.primary { background: rgba(232, 106, 51, 0.15); color: var(--admin-primary); }
.stat-card-icon.success { background: rgba(16, 185, 129, 0.15); color: var(--admin-success); }
.stat-card-icon.warning { background: rgba(245, 158, 11, 0.15); color: var(--admin-warning); }
.stat-card-icon.error { background: rgba(239, 68, 68, 0.15); color: var(--admin-error); }

.stat-card-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--admin-text);
}

.stat-card-label {
    font-size: 0.875rem;
    color: var(--admin-text-muted);
}

/* Admin Cards */
.admin-card {
    background: var(--admin-surface);
    border-radius: var(--admin-radius);
    box-shadow: var(--admin-shadow);
    margin-bottom: 1rem;
}

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

.admin-card-title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}

.admin-card-body {
    padding: 1.25rem;
}

/* Tables */
.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th,
.admin-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--admin-border);
}

.admin-table th {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--admin-text-muted);
    background: var(--admin-bg);
}

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--admin-radius);
    border: none;
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
}

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

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

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

.btn-secondary {
    background: var(--admin-surface);
    color: var(--admin-text);
    border: 1px solid var(--admin-border);
}

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

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

.btn-danger:hover:not(:disabled) {
    background: #DC2626;
    color: white;
}

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

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

.btn-block {
    display: flex;
    width: 100%;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.375rem;
    color: var(--admin-text);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.9375rem;
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    background: var(--admin-surface);
    transition: border-color 0.15s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(232, 106, 51, 0.1);
}

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

.form-error {
    font-size: 0.8125rem;
    color: var(--admin-error);
    margin-top: 0.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 9999px;
}

.badge-primary {
    background: rgba(232, 106, 51, 0.15);
    color: var(--admin-primary);
}

.badge-success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--admin-success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--admin-warning);
}

.badge-error {
    background: rgba(239, 68, 68, 0.15);
    color: var(--admin-error);
}

/* Alerts */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--admin-radius);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--admin-success);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--admin-error);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--admin-warning);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

/* Utilities */
.text-muted { color: var(--admin-text-muted); }
.text-error { color: var(--admin-error); }
.text-success { color: var(--admin-success); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 1.5rem; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 1.5rem; }

/* Responsive */
@media (max-width: 1024px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }
    
    .admin-sidebar.open {
        transform: translateX(0);
    }
    
    .admin-main {
        margin-left: 0;
    }
    
    .sidebar-toggle {
        display: block;
    }
}

@media (max-width: 640px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .admin-table {
        font-size: 0.8125rem;
    }
    
    .admin-table th,
    .admin-table td {
        padding: 0.5rem;
    }
}

/* Loading */
.loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.8s linear infinite;
}

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

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--admin-surface);
    border-radius: var(--admin-radius);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal {
    transform: scale(1);
}

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

.modal-title {
    font-size: 1.125rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--admin-text-muted);
}

.modal-body {
    padding: 1.25rem;
}

.modal-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--admin-border);
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
}