/* Modern Admin Panel CSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 70px;
    --header-height: 70px;
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    --dark-color: #1f2937;
    --light-color: #f9fafb;
    --border-color: #e5e7eb;
    --text-color: #374151;
    --text-light: #6b7280;
    --sidebar-bg: #1e293b;
    --sidebar-hover: #334155;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-color);
    background-color: var(--light-color);
}

/* Login Page */
.login-page {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-container {
    width: 100%;
    max-width: 400px;
}

.login-box {
    background: white;
    border-radius: 12px;
    padding: 2.5rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

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

.login-header p {
    color: var(--text-light);
}

.login-form {
    margin-top: 2rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.login-footer {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-light);
}

/* Admin Layout */
.admin-body {
    overflow-x: hidden;
}

.admin-wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    color: white;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    transition: width 0.3s;
    z-index: 1000;
}

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

.sidebar-header h2 {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.sidebar-header p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
}

.sidebar-nav {
    padding: 1rem 0;
}

.nav-section {
    margin-bottom: 1.5rem;
}

.nav-section-title {
    padding: 0.5rem 1.5rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.nav-item i {
    width: 20px;
    margin-right: 0.75rem;
    text-align: center;
}

.nav-item:hover {
    background: var(--sidebar-hover);
    color: white;
}

.nav-item.active {
    background: var(--sidebar-hover);
    color: white;
    border-left-color: var(--primary-color);
}

/* Main Content Area */
.admin-main {
    margin-left: var(--sidebar-width);
    width: calc(100% - var(--sidebar-width));
    transition: margin-left 0.3s;
}

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

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

.sidebar-toggle {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-color);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 6px;
    transition: background 0.2s;
}

.sidebar-toggle:hover {
    background: var(--light-color);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-menu {
    position: relative;
}

.user-name {
    padding: 0.5rem 1rem;
    background: var(--light-color);
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
}

.admin-content {
    padding: 2rem;
}

/* Cards */
.card {
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

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

.card-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.stat-icon.blue { background: var(--info-color); }
.stat-icon.green { background: var(--success-color); }
.stat-icon.orange { background: var(--warning-color); }
.stat-icon.purple { background: var(--secondary-color); }

.stat-content h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.stat-content p {
    color: var(--text-light);
    font-size: 0.9rem;
}

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

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

.data-table thead {
    background: var(--light-color);
}

.data-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-color);
    border-bottom: 2px solid var(--border-color);
}

.data-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

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

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

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
}

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

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

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

.badge-danger {
    background: #fee2e2;
    color: #991b1b;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.9rem;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.85rem;
}

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

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

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

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

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

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

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

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

/* Forms */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-info {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #93c5fd;
}

/* Responsive */
@media (max-width: 768px) {
    .admin-sidebar {
        width: var(--sidebar-collapsed-width);
    }
    
    .admin-main {
        margin-left: var(--sidebar-collapsed-width);
        width: calc(100% - var(--sidebar-collapsed-width));
    }
    
    .sidebar-header h2,
    .nav-item span,
    .nav-section-title {
        display: none;
    }
    
    .nav-item {
        justify-content: center;
        padding: 0.75rem;
    }
    
    .nav-item i {
        margin-right: 0;
    }
}

/* Modal */
.modal {
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    max-width: 90%;
    max-height: 90vh;
    width: auto;
    position: relative;
    overflow: auto;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.close-modal {
    position: absolute;
    right: 1rem;
    top: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
    z-index: 10001;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.2s;
}

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

@media (max-width: 768px) {
    .modal-content {
        max-width: 95%;
        padding: 1rem;
    }
}


/* Admin Tool Panel Accordion */
.admin-tool-section {
    margin-bottom: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    background: white;
}

.admin-tool-section h4,
.admin-tool-section h5 {
    font-size: 0.85rem;
    margin: 0;
    padding: 0.6rem 0.75rem;
    color: var(--dark-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    background: #f9fafb;
    border-bottom: 1px solid transparent;
    transition: all 0.2s;
    user-select: none;
}

.admin-tool-section h4:hover,
.admin-tool-section h5:hover {
    background: #f3f4f6;
}

.admin-tool-section h4::after,
.admin-tool-section h5::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.65rem;
    margin-left: auto;
    transition: transform 0.2s;
    color: #9ca3af;
}

.admin-tool-section.open h4::after,
.admin-tool-section.open h5::after {
    transform: rotate(180deg);
}

.admin-tool-section.open h4,
.admin-tool-section.open h5 {
    border-bottom: 1px solid var(--border-color);
}

.admin-tool-section h4 i,
.admin-tool-section h5 i {
    color: var(--primary-color);
    font-size: 0.8rem;
}

.admin-tool-content {
    padding: 0.75rem;
    display: none;
    max-height: 350px;
    overflow-y: auto;
}

.admin-tool-section.open .admin-tool-content {
    display: block;
}

.admin-tool-content::-webkit-scrollbar {
    width: 5px;
}

.admin-tool-content::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.admin-tool-content::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

/* Admin Tool Panel Container */
.admin-tool-panel {
    max-height: calc(100vh - 150px);
    overflow-y: auto;
    padding-right: 0.25rem;
}

.admin-tool-panel::-webkit-scrollbar {
    width: 5px;
}

.admin-tool-panel::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.admin-tool-panel::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}