/* Import Google Fonts - Inter */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-primary: #0b0f19;
    --bg-secondary: #131a26;
    --bg-tertiary: #1b2433;
    
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --color-primary: #6366f1; /* Indigo */
    --color-primary-hover: #4f46e5;
    --color-accent: #00f2fe; /* Neon Cyan */
    --color-success: #10b981; /* Emerald */
    --color-warning: #f59e0b; /* Amber */
    --color-danger: #ef4444; /* Rose/Red */
    
    --glass-bg: rgba(19, 26, 38, 0.6);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: rgba(0, 0, 0, 0.4);
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-sans);
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* Sidebar Layout */
.sidebar {
    width: 280px;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    border-right: 1px solid var(--glass-border);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 100;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 3rem;
}

.brand-icon {
    font-size: 1.5rem;
    color: var(--color-accent);
    filter: drop-shadow(0 0 8px rgba(0, 242, 254, 0.6));
    animation: pulse 2s infinite alternate;
}

.brand-name {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #fff 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex-grow: 1;
}

.nav-item {
    width: 100%;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
}

.nav-section-label {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: #71717a;
    margin: 1.25rem 0 0.5rem 0.75rem;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.2);
}

.nav-link.active {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(0, 242, 254, 0.1) 100%);
    border-color: rgba(99, 102, 241, 0.4);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.15);
}

.nav-link i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.sidebar-footer {
    border-top: 1px solid var(--glass-border);
    padding-top: 1.5rem;
}

.db-status-pill {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    padding: 0.65rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

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

.status-dot.offline {
    background-color: var(--color-danger);
    box-shadow: 0 0 10px var(--color-danger);
}

/* Main Content Area */
.main-wrapper {
    margin-left: 280px;
    padding: 2.5rem;
    width: calc(100% - 280px);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

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

.header-title h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    letter-spacing: -0.5px;
}

.header-title p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.header-actions {
    display: flex;
    gap: 0.75rem;
}

/* Glassmorphism Containers */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px 0 var(--glass-shadow);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 1.75rem;
    transition: var(--transition-smooth);
}

.glass-card:hover {
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.5);
}

.grid-cols-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.grid-cols-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
}

@media (max-width: 900px) {
    .grid-cols-2 {
        grid-template-columns: 1fr;
    }
}

/* Stat Cards */
.stat-card {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--color-primary);
}

.stat-card.accent::before {
    background: var(--color-accent);
}

.stat-card.success::before {
    background: var(--color-success);
}

.stat-card.warning::before {
    background: var(--color-warning);
}

.stat-label {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.65rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, #4338ca 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--glass-border);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-accent {
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.4);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(6, 182, 212, 0.5);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.2);
    color: var(--color-danger);
}

.btn-danger:hover {
    background: var(--color-danger);
    color: #fff;
}

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

.btn-sm {
    padding: 0.4rem 0.85rem;
    font-size: 0.8rem;
    border-radius: var(--radius-sm);
}

/* Alert Boxes */
.alert {
    display: flex;
    gap: 1rem;
    padding: 1.25rem;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.08);
    border-color: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
}

.alert-danger i {
    color: var(--color-danger);
    font-size: 1.25rem;
}

.alert-success {
    background: rgba(16, 185, 129, 0.08);
    border-color: rgba(16, 185, 129, 0.2);
    color: #a7f3d0;
}

.alert-success i {
    color: var(--color-success);
    font-size: 1.25rem;
}

.alert-info {
    background: rgba(99, 102, 241, 0.08);
    border-color: rgba(99, 102, 241, 0.2);
    color: #c7d2fe;
}

.alert-info i {
    color: var(--color-primary);
    font-size: 1.25rem;
}

/* Console Logger Box (for database initialization logs) */
.console-box {
    background: #05070c;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    color: #38bdf8;
    max-height: 250px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.console-line {
    word-break: break-all;
    line-height: 1.4;
}

.console-line.success {
    color: var(--color-success);
}

.console-line.error {
    color: var(--color-danger);
}

.console-line.warn {
    color: var(--color-warning);
}

/* Database Tables Section */
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 1rem;
}

.card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Tables visual list */
.table-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}

.table-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.table-card:hover {
    background: rgba(99, 102, 241, 0.05);
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-2px);
}

.table-card.active {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--color-primary);
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.2);
}

.table-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.table-name {
    font-weight: 600;
    font-size: 1rem;
    color: #fff;
}

.table-badge {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    padding: 0.25rem 0.5rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.table-card.active .table-badge {
    background: var(--color-primary);
    color: #fff;
    border-color: transparent;
}

/* Data Table Rendering */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.2);
    max-height: 500px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
}

.data-table th {
    background: var(--bg-tertiary);
    color: #fff;
    font-weight: 600;
    padding: 1rem;
    border-bottom: 2px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.data-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--glass-border);
    color: var(--text-secondary);
    white-space: nowrap;
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
}

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

.empty-state {
    padding: 3rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.empty-state i {
    font-size: 2.5rem;
    color: var(--text-muted);
}

/* Instructions Setup Guide */
.setup-step {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.step-num {
    background: rgba(99, 102, 241, 0.1);
    color: var(--color-primary);
    border: 1px solid rgba(99, 102, 241, 0.3);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 0.25rem;
}

.step-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.step-content code {
    background: rgba(0, 0, 0, 0.3);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-family: monospace;
    color: var(--color-accent);
}

/* Loading spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    from { filter: drop-shadow(0 0 2px rgba(0, 242, 254, 0.3)); }
    to { filter: drop-shadow(0 0 10px rgba(0, 242, 254, 0.8)); }
}