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

:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --bg-primary: #0a0f1c;
    --bg-secondary: #111827;
    --bg-tertiary: #1f2937;
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --border: #374151;
    --shadow: rgba(0, 0, 0, 0.5);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Navigation */
.navbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--text-primary);
}

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

/* Container */
.container {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 2rem;
}

/* Section */
.section {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border);
}

.section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.section h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

.status-card {
    background: var(--bg-tertiary);
    padding: 1.5rem;
    border-radius: 6px;
    border: 1px solid var(--border);
}

.status-card h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.status-card p {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-secondary);
}

.status-dot.active {
    background: var(--success);
    box-shadow: 0 0 10px var(--success);
}

.status-dot.inactive {
    background: var(--danger);
}

.status-text {
    font-size: 1.25rem;
    font-weight: 600;
}

/* Buttons */
.control-buttons {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

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

.btn-success:hover {
    background: #059669;
}

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

.btn-danger:hover {
    background: #dc2626;
}

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

.btn-warning:hover {
    background: #d97706;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-tertiary);
    padding: 1.5rem;
    border-radius: 6px;
    border: 1px solid var(--border);
}

.stat-card h4 {
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

thead {
    background: var(--bg-tertiary);
}

th {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border);
}

tbody tr {
    transition: background 0.2s;
}

tbody tr:hover {
    background: var(--bg-tertiary);
}

/* Info Box */
.info-box {
    background: rgba(59, 130, 246, 0.1);
    border-left: 3px solid var(--primary);
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    border-radius: 4px;
}

.info-box h4 {
    color: var(--primary);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    font-weight: 600;
}

.info-box p {
    margin: 0.5rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.info-box code {
    background: var(--bg-tertiary);
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
    font-size: 0.85rem;
    color: var(--primary);
    font-family: 'Courier New', monospace;
}

/* User Management */
.user-form {
    margin-bottom: 2rem;
}

.user-form form {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.user-form input {
    flex: 1;
    min-width: 200px;
    padding: 0.625rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: inherit;
}

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

.user-form input::placeholder {
    color: var(--text-secondary);
}

.delete-btn {
    padding: 0.5rem 1rem;
    background: var(--danger);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s;
}

.delete-btn:hover {
    background: #dc2626;
    transform: translateY(-1px);
}

/* Logs */
.logs-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.logs-controls label {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.logs-controls select {
    padding: 0.5rem 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    min-width: 150px;
    font-size: 0.9rem;
}

.logs-controls select:focus {
    outline: none;
    border-color: var(--primary);
}

.logs-container {
    background: var(--bg-tertiary);
    border-radius: 6px;
    border: 1px solid var(--border);
    overflow-x: auto;
    max-height: 600px;
    overflow-y: auto;
}

#logs-table {
    font-size: 0.85rem;
}

#logs-table thead {
    position: sticky;
    top: 0;
    background: var(--bg-tertiary);
    z-index: 10;
}

.url-cell {
    max-width: 350px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.status-hit {
    color: var(--success);
    font-weight: 600;
}

.status-miss {
    color: var(--text-secondary);
}

.user-authenticated {
    color: var(--primary);
    font-weight: 600;
}

.user-unknown {
    color: var(--text-secondary);
    font-style: italic;
}

/* Login Page */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: var(--bg-primary);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 2rem;
}

.login-box {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 3rem 2.5rem;
    border: 1px solid var(--border);
}

.login-box h1 {
    text-align: center;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.75rem;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 0.9rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
}

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

.error-message {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    padding: 0.75rem 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    border: 1px solid var(--danger);
    font-size: 0.9rem;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }

    .status-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .control-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .container {
        padding: 0 1rem;
    }

    .section {
        padding: 1.5rem;
    }
}