/* ===========================
   RESET & BASE STYLES
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Dark Theme Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #13131a;
    --bg-tertiary: #1a1a24;
    --bg-hover: #22222e;
    
    /* Accent Colors */
    --accent-purple: #8b5cf6;
    --accent-blue: #3b82f6;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    --accent-yellow: #f59e0b;
    
    /* Text Colors */
    --text-primary: #e5e7eb;
    --text-secondary: #9ca3af;
    --text-tertiary: #6b7280;
    
    /* Border Colors */
    --border-color: #2d2d3a;
    --border-hover: #3d3d4a;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
}

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

/* ===========================
   HEADER
   =========================== */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

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

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    padding-left: 1rem;
    border-left: 1px solid var(--border-color);
}

/* Server Status */
.server-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-green);
    animation: pulse 2s infinite;
}

.status-dot.offline {
    background: var(--accent-red);
    animation: none;
}

.status-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

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

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

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all var(--transition-base);
}

.stat-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: rgba(139, 92, 246, 0.15);
    color: var(--accent-purple);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.stat-icon.denied {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-red);
}

.stat-icon.pending {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-yellow);
}

.stat-icon.total {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-blue);
}

.stat-content {
    flex: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

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

/* ===========================
   ADD SECTION
   =========================== */
.add-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.section-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.add-form {
    display: flex;
    gap: 1rem;
}

.input-field {
    flex: 1;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all var(--transition-base);
}

.input-field:focus {
    outline: none;
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.input-field::placeholder {
    color: var(--text-tertiary);
}

/* Alias Input (inline editing in table) */
.alias-input {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
    color: var(--text-primary);
    font-size: 0.875rem;
    width: 100%;
    max-width: 200px;
    transition: all var(--transition-base);
}

.alias-input:focus {
    outline: none;
    border-color: var(--accent-purple);
    background: var(--bg-tertiary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.alias-input::placeholder {
    color: var(--text-tertiary);
    font-style: italic;
}

/* ===========================
   BUTTONS
   =========================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: #7c3aed;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-success {
    background: var(--accent-green);
    color: white;
    padding: 0.5rem 1rem;
    font-size: 0.813rem;
}

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

.btn-danger {
    background: var(--accent-red);
    color: white;
    padding: 0.5rem 1rem;
    font-size: 0.813rem;
}

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

.btn-icon {
    font-size: 1.125rem;
}

/* ===========================
   TABLE SECTION
   =========================== */
.table-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
}

.filter-controls {
    display: flex;
    gap: 0.5rem;
}

.filter-btn {
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 0.813rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.filter-btn.active {
    background: var(--accent-purple);
    border-color: var(--accent-purple);
    color: white;
}

.table-container {
    margin-top: 1.5rem;
    overflow-x: auto;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

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

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

.data-table th {
    padding: 1rem;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.data-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background var(--transition-fast);
}

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

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

.data-table td {
    padding: 1rem;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.data-table td:first-child {
    font-family: 'Courier New', monospace;
    font-size: 0.813rem;
    color: var(--accent-blue);
}

/* Status Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.badge-allow {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-green);
}

.badge-deny {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-red);
}

.badge-pending {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-yellow);
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 0.5rem;
}

/* ===========================
   TOAST NOTIFICATION
   =========================== */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow-lg);
    transform: translateY(200%);
    transition: transform var(--transition-base);
    z-index: 1000;
    max-width: 400px;
}

.toast.show {
    transform: translateY(0);
}

.toast-message {
    font-size: 0.875rem;
    color: var(--text-primary);
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .header-content {
        padding: 0 1rem;
        flex-direction: column;
        gap: 1rem;
    }
    
    .subtitle {
        border-left: none;
        padding-left: 0;
    }
    
    .add-form {
        flex-direction: column;
    }
    
    .filter-controls {
        flex-wrap: wrap;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .table-container {
        font-size: 0.75rem;
    }
    
    .data-table th,
    .data-table td {
        padding: 0.75rem 0.5rem;
    }
    
    .action-buttons {
        flex-direction: column;
    }
}