/* Admin Panel Specific Styles */
:root {
    --admin-bg: #0f172a;
    --admin-sidebar: #1e293b;
    --admin-card: #1e293b;
    --admin-text: #f8fafc;
    --admin-text-muted: #94a3b8;
    --admin-border: #334155;
    --admin-primary: #3b82f6;
    --admin-success: #10b981;
    --admin-warning: #f59e0b;
    --admin-danger: #ef4444;
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--admin-bg);
    color: var(--admin-text);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    overflow-x: hidden;
}

/* Sidebar */
.sidebar {
    width: 260px;
    height: 100vh;
    background: var(--admin-sidebar);
    border-right: 1px solid var(--admin-border);
    position: fixed;
    top: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    padding: 20px;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
    padding: 10px;
}

.sidebar-header img {
    height: 32px;
}

.sidebar-header span {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--admin-text-muted);
    text-decoration: none;
    border-radius: 8px;
    margin-bottom: 8px;
    transition: all 0.2s;
    font-weight: 500;
}

.nav-item:hover,
.nav-item.active {
    background: rgba(59, 130, 246, 0.1);
    color: var(--admin-primary);
}

.nav-item.active {
    background: var(--admin-primary);
    color: white;
}

.sidebar-footer {
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid var(--admin-border);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--admin-text);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.btn-sidebar-logout {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--admin-border);
    background: transparent;
    color: var(--admin-text-muted);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-sidebar-logout:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--admin-danger);
    border-color: var(--admin-danger);
}

/* Main Content */
.main-content {
    margin-left: 260px;
    flex: 1;
    padding: 30px;
    width: calc(100% - 260px);
}

/* KPI Cards */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.kpi-card {
    background: var(--admin-card);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--admin-border);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.kpi-value {
    font-size: 2rem;
    font-weight: 700;
    margin: 10px 0 5px;
}

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

.kpi-icon {
    font-size: 1.5rem;
    padding: 10px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.05);
}

/* Modern Tables */
.table-container {
    background: var(--admin-card);
    border-radius: 12px;
    border: 1px solid var(--admin-border);
    overflow: hidden;
    margin-bottom: 30px;
}

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

.data-table th,
.data-table td {
    padding: 16px 24px;
    text-align: left;
    border-bottom: 1px solid var(--admin-border);
}

.data-table th {
    background: rgba(0, 0, 0, 0.2);
    font-weight: 600;
    color: var(--admin-text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.data-table tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* Status Badges */
.badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--admin-success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--admin-warning);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--admin-danger);
}

.badge-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--admin-primary);
}

/* Buttons */
.btn-icon {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    border: 1px solid var(--admin-border);
    background: transparent;
    color: var(--admin-text-muted);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

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

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

/* Login Page Specific */
.login-bg {
    background: radial-gradient(circle at center, #1e293b 0%, #0f172a 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    background: var(--admin-card);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--admin-border);
    width: 100%;
    max-width: 400px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.login-input {
    width: 100%;
    padding: 12px;
    margin-bottom: 16px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--admin-border);
    border-radius: 8px;
    color: white;
    font-size: 0.95rem;
}

.login-input:focus {
    border-color: var(--admin-primary);
    outline: none;
}

.btn-login {
    width: 100%;
    padding: 12px;
    background: var(--admin-primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-login:hover {
    background: #2563eb;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal-container {
    background: var(--admin-card);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid var(--admin-border);
    width: 90%;
    max-width: 600px;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-close {
    background: none;
    border: none;
    color: var(--admin-text-muted);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Review Files List */
.file-review-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    margin-bottom: 10px;
    border: 1px solid transparent;
    transition: border-color 0.2s;
}

.file-review-item:hover {
    border-color: var(--admin-border);
}

.file-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.file-icon {
    font-size: 1.2rem;
    color: var(--admin-primary);
}

.file-name {
    font-weight: 500;
    font-size: 0.9rem;
}

.file-status-text {
    font-size: 0.75rem;
    color: var(--admin-text-muted);
}