:root {
    --bg-dark: #0f1115;
    --sidebar-bg: #161a21;
    --card-bg: #1e232b;
    --accent-amber: #ffcc00;
    --accent-emerald: #10b981;
    --accent-rose: #f43f5e;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --border-color: #2e3642;
    --glass-bg: rgba(30, 35, 43, 0.7);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.5;
}

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

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    padding: 24px;
    display: flex;
    flex-direction: column;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent-amber);
    margin-bottom: 48px;
}

.nav-links {
    list-style: none;
}

.nav-links li {
    padding: 12px 16px;
    margin-bottom: 8px;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.nav-links li:hover {
    background-color: rgba(255, 204, 0, 0.05);
    color: var(--accent-amber);
}

.nav-links li.active {
    background-color: var(--accent-amber);
    color: black;
    font-weight: 700;
}

/* Main Content */
.main-content {
    flex: 1;
    overflow-y: auto;
    padding: 32px;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.admin-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    background-color: var(--card-bg);
    border-radius: 20px;
    font-size: 0.9rem;
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--accent-rose);
}

.status-indicator.online {
    background-color: var(--accent-emerald);
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background-color: var(--card-bg);
    padding: 24px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.stat-card h3 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.stat-card p {
    font-size: 2rem;
    font-weight: 800;
}

/* Operational Alerts */
.alerts-section h2 {
    margin-bottom: 16px;
}

.alerts-list {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 16px;
}

.alert-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px;
    border-left: 4px solid var(--accent-rose);
    background-color: rgba(244, 63, 94, 0.05);
    border-radius: 8px;
    margin-bottom: 8px;
}

.alert-item.warning {
    border-left-color: var(--accent-amber);
}

/* Table */
.table-container {
    background-color: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    margin-top: 24px;
}

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

th {
    text-align: left;
    padding: 16px;
    background-color: rgba(255, 255, 255, 0.03);
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

td {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
}

.hidden { display: none !important; }

/* Buttons */
.btn-primary { 
    background-color: var(--accent-amber); 
    color: black; padding: 8px 16px; 
    border-radius: 8px; border: none; font-weight: 700; cursor: pointer;
}

.btn-danger {
    background-color: var(--accent-rose);
    color: white; padding: 8px 16px; 
    border-radius: 8px; border: none; font-weight: 700; cursor: pointer;
}

.btn-secondary {
    background-color: var(--border-color);
    color: white; padding: 8px 16px; 
    border-radius: 8px; border: none; font-weight: 700; cursor: pointer;
}

/* Modal */
.modal {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(0,0,0,0.8);
    display: flex; align-items: center; justify-content: center;
    z-index: 1000;
}

.modal-content {
    background-color: var(--card-bg);
    padding: 32px;
    border-radius: 24px;
    width: 90%;
    max-width: 500px;
}

.modal-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

/* Document Gallery */
.doc-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 20px;
    padding: 16px;
    background: rgba(255,255,255,0.05);
    border-radius: 12px;
}

.doc-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.doc-item span {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.doc-thumb {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    border-radius: 8px;
    border: 2px solid #333;
    cursor: pointer;
    transition: transform 0.2s, border-color 0.2s;
}

.doc-thumb:hover {
    transform: scale(1.05);
    border-color: var(--accent-amber);
}

.doc-thumb.missing {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #222;
    color: #444;
    font-size: 2rem;
}

.doc-thumb.loading {
    background: #2a2a2a;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80px;
    border-radius: 8px;
}

.doc-thumb.loading::after {
    content: 'Loading...';
    color: #888;
    font-size: 12px;
}

.modal-content {
    max-width: 800px; /* Wider for gallery */
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(15, 17, 21, 0.8);
    backdrop-filter: blur(4px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 204, 0, 0.1);
    border-top: 4px solid var(--accent-amber);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 16px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Toast Container */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 3000;
}

.toast {
    background-color: var(--card-bg);
    border-left: 4px solid var(--accent-amber);
    padding: 16px 24px;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    color: var(--text-primary);
    animation: slideIn 0.3s ease-out;
}

.toast.error { border-left-color: var(--accent-rose); }
.toast.success { border-left-color: var(--accent-emerald); }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}
/* Login Screen */
.login-container {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at center, #1e232b 0%, #0f1115 100%);
    display: flex; align-items: center; justify-content: center;
    z-index: 5000;
    transition: opacity 0.5s ease;
}

.login-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    padding: 48px;
    border-radius: 32px;
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 420px;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.login-card h2 {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.login-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 32px;
}

.input-group {
    position: relative;
    margin-bottom: 24px;
}

.input-group i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.input-group input {
    width: 100%;
    padding: 16px 16px 16px 48px;
    background: #0f1115;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: white;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.input-group input:focus {
    outline: none;
    border-color: var(--accent-amber);
    box-shadow: 0 0 0 4px rgba(255, 204, 0, 0.1);
}

.full-width { width: 100%; }

.login-footer {
    margin-top: 32px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* Sidebar Footer & Logout */
.sidebar-footer {
    margin-top: auto;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.btn-logout {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: transparent;
    border: 1px solid var(--accent-rose);
    color: var(--accent-rose);
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-logout:hover {
    background: var(--accent-rose);
    color: white;
}

.btn-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(0,0,0,0.1);
    border-top: 2px solid black;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

body.auth-loading .admin-container { display: none; }
body.auth-loading .login-container { display: flex; }
body.authenticated .login-container { display: none; }
body.authenticated .admin-container { display: flex; }

.input-group select {
    width: 100%;
    padding: 16px 16px 16px 48px;
    background: #0f1115;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: white;
    font-size: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
}
.input-group select:focus {
    outline: none;
    border-color: var(--accent-amber);
    box-shadow: 0 0 0 4px rgba(255, 204, 0, 0.1);
}

.env-badge {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-right: 8px;
}
.env-badge.production {
    background-color: rgba(244, 63, 94, 0.15);
    color: var(--accent-rose);
    border: 1px solid rgba(244, 63, 94, 0.3);
}
.env-badge.staging {
    background-color: rgba(85, 153, 255, 0.15);
    color: #5599ff;
    border: 1px solid rgba(85, 153, 255, 0.3);
}