/**
 * Admin Panel Styles - Enhanced Readability
 */

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --admin-primary: #1a1a2e;
    --admin-secondary: #c9a227;
    --admin-accent: #16213e;
    --admin-sidebar: #0f0f1a;
    --admin-bg: #f5f6fa;
    --admin-white: #ffffff;
    --admin-text: #333333;
    --admin-muted: #6c757d;
    --admin-border: #dee2e6;
    --admin-success: #28a745;
    --admin-warning: #ffc107;
    --admin-danger: #dc3545;
    --admin-info: #17a2b8;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    color: var(--admin-text);
    background: var(--admin-bg);
    line-height: 1.6;
}

/* Login Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--admin-primary) 0%, var(--admin-accent) 100%);
}

.login-container {
    background: var(--admin-white);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 440px;
}

.login-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.login-header h1 {
    color: var(--admin-primary);
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--admin-muted);
    font-size: 1.1rem;
}

.login-form .form-group {
    margin-bottom: 1.5rem;
}

.login-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--admin-border);
}

.login-footer a {
    color: var(--admin-muted);
    text-decoration: none;
    font-size: 1rem;
}

.login-footer a:hover {
    color: var(--admin-primary);
}

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

/* Sidebar */
.admin-sidebar {
    width: 280px;
    background: var(--admin-sidebar);
    color: #fff;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    overflow-y: auto;
    z-index: 1000;
}

.sidebar-header {
    padding: 1.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h2 {
    font-size: 1.5rem;
    color: var(--admin-secondary);
    margin: 0;
}

.sidebar-header span {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.6);
}

.sidebar-nav {
    padding: 1.25rem 0;
}

.nav-section {
    margin-bottom: 2rem;
}

.nav-section-title {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.4);
    padding: 0.75rem 1.75rem;
    margin-bottom: 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.75rem;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    transition: all 0.2s ease;
    font-size: 1.05rem;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.nav-link.active {
    background: var(--admin-secondary);
    color: var(--admin-primary);
}

.nav-link svg {
    width: 22px;
    height: 22px;
}

/* Main Content */
.admin-main {
    flex: 1;
    margin-left: 280px;
    min-height: 100vh;
}

.admin-header {
    background: var(--admin-white);
    padding: 1.25rem 2.5rem;
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.admin-header h1 {
    font-size: 1.75rem;
    font-weight: 600;
    margin: 0;
    color: var(--admin-primary);
}

.header-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
    font-size: 1rem;
}

.admin-content {
    padding: 2.5rem;
}

/* Cards */
.card {
    background: var(--admin-white);
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    margin-bottom: 2rem;
}

.card-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h2 {
    font-size: 1.35rem;
    font-weight: 600;
    margin: 0;
}

.card-body {
    padding: 2rem;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.75rem;
    margin-bottom: 2.5rem;
}

.stat-card {
    background: var(--admin-white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.stat-card h3 {
    font-size: 1rem;
    color: var(--admin-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.75rem;
}

.stat-card .value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--admin-primary);
}

/* Forms */
.form-group {
    margin-bottom: 1.75rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.6rem;
    font-weight: 500;
    color: var(--admin-text);
    font-size: 1rem;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="url"],
input[type="number"],
input[type="date"],
input[type="time"],
input[type="file"],
select,
textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    border: 1px solid var(--admin-border);
    border-radius: 6px;
    transition: border-color 0.2s, box-shadow 0.2s;
    font-family: inherit;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--admin-secondary);
    box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.15);
}

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

select {
    appearance: none;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 8L1 3h10z'/%3E%3C/svg%3E") no-repeat right 1rem center;
    background-color: #fff;
    padding-right: 2.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    cursor: pointer;
    font-size: 1rem;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

small.text-muted,
.form-hint {
    font-size: 0.9rem;
    color: var(--admin-muted);
    margin-top: 0.4rem;
    display: block;
}

/* Color Picker */
input[type="color"] {
    width: 60px;
    height: 45px;
    padding: 0;
    border: 1px solid var(--admin-border);
    border-radius: 6px;
    cursor: pointer;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
    font-family: inherit;
}

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

.btn-primary:hover {
    background: #b8922a;
}

.btn-secondary {
    background: var(--admin-primary);
    color: #fff;
}

.btn-secondary:hover {
    background: #12121f;
}

.btn-danger {
    background: var(--admin-danger);
    color: #fff;
}

.btn-danger:hover {
    background: #c82333;
}

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

.btn-outline:hover {
    background: var(--admin-bg);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

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

.form-actions {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--admin-border);
    display: flex;
    gap: 1rem;
    align-items: center;
}

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

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

th, td {
    padding: 1.1rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--admin-border);
    font-size: 1rem;
}

th {
    font-weight: 600;
    color: var(--admin-muted);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    background: var(--admin-bg);
}

tbody tr:hover {
    background: #fafafa;
}

.table-actions {
    display: flex;
    gap: 0.6rem;
}

/* Alerts */
.alert {
    padding: 1.25rem 1.5rem;
    border-radius: 6px;
    margin-bottom: 2rem;
    font-size: 1rem;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.35rem 0.7rem;
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: 4px;
}

.badge-success {
    background: #d4edda;
    color: #155724;
}

.badge-warning {
    background: #fff3cd;
    color: #856404;
}

.badge-danger {
    background: #f8d7da;
    color: #721c24;
}

.badge-info {
    background: #d1ecf1;
    color: #0c5460;
}

.badge-secondary {
    background: #e9ecef;
    color: #495057;
}

/* Drag and Drop */
.sortable-list .card {
    margin-bottom: 0.75rem;
}

.sortable-item {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.25rem;
    background: var(--admin-white);
    border: 1px solid var(--admin-border);
    border-radius: 6px;
    margin-bottom: 0.6rem;
    cursor: move;
}

.sortable-item:hover {
    background: #fafafa;
}

.drag-handle {
    color: var(--admin-muted);
    font-size: 1.25rem;
}

.sortable-ghost {
    opacity: 0.4;
}

.program-item .card-body {
    padding: 1.25rem;
}

.program-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.program-item-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

.soloists {
    margin-top: 0.75rem;
}

.soloists .badge {
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.soloist-form {
    margin-top: 1rem;
    padding: 1.25rem;
    background: #f8f9fa;
    border-radius: 6px;
}

.form-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: flex-end;
}

.form-inline .form-group {
    margin-bottom: 0;
}

.form-inline select,
.form-inline input {
    min-width: 180px;
}

/* Photo Upload */
.photo-upload {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.photo-preview {
    width: 150px;
    height: 200px;
    background: var(--admin-bg);
    border: 2px dashed var(--admin-border);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.photo-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-preview-placeholder {
    color: var(--admin-muted);
    text-align: center;
    font-size: 0.95rem;
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.modal {
    background: var(--admin-white);
    border-radius: 12px;
    width: 100%;
    max-width: 550px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

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

.modal-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.35rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.75rem;
    color: var(--admin-muted);
    cursor: pointer;
}

.modal-body {
    padding: 2rem;
}

.modal-footer {
    padding: 1.25rem 2rem;
    border-top: 1px solid var(--admin-border);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--admin-border);
    margin-bottom: 2rem;
}

.tab {
    padding: 1rem 1.75rem;
    background: none;
    border: none;
    color: var(--admin-muted);
    cursor: pointer;
    position: relative;
    font-weight: 500;
    font-size: 1rem;
    text-decoration: none;
}

.tab:hover {
    color: var(--admin-text);
}

.tab.active {
    color: var(--admin-secondary);
}

.tab.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--admin-secondary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Summary Box */
.summary-box {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.summary-box dt {
    font-weight: 600;
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.summary-box dd {
    margin-bottom: 1rem;
    color: #333;
    font-size: 1rem;
}

/* Responsive */
@media (max-width: 1200px) {
    .admin-sidebar {
        width: 260px;
    }
    
    .admin-main {
        margin-left: 260px;
    }
}

@media (max-width: 992px) {
    .admin-sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .admin-sidebar.active {
        transform: translateX(0);
    }
    
    .admin-main {
        margin-left: 0;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .admin-content {
        padding: 1.5rem;
    }
}

/* Utilities */
.text-muted { color: var(--admin-muted); }
.text-success { color: var(--admin-success); }
.text-danger { color: var(--admin-danger); }
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.p-3 { padding: 1.5rem; }

.btn-link {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    font-size: inherit;
}