:root {
    --bg-color: #0F172A;
    --card-bg: rgba(30, 41, 59, 0.7);
    --sidebar-bg: rgba(15, 23, 42, 0.95);
    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --accent-color: #3B82F6;
    --accent-hover: #2563EB;
    --danger-color: #EF4444;
    --success-color: #10B981;
    --warning-color: #F59E0B;
    --glass-border: 1px solid rgba(255, 255, 255, 0.05);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    background-image: radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.15) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 20%);
    min-height: 100vh;
    overflow: hidden; /* Prevent body scroll, handled by main-content */
}

/* Layout */
.app-layout {
    display: flex;
    height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--sidebar-bg);
    border-right: var(--glass-border);
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    flex-shrink: 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: var(--glass-border);
}

.logo i {
    color: var(--accent-color);
}

.nav-menu {
    list-style: none;
    flex: 1;
    overflow-y: auto;
}

.nav-item {
    margin-bottom: 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s;
    font-size: 0.9rem;
    cursor: pointer;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.nav-link.active {
    background: var(--accent-color);
    color: white;
}

.nav-link i {
    width: 20px;
    text-align: center;
}

.sidebar-footer {
    margin-top: auto;
    padding-top: 1rem;
    border-top: var(--glass-border);
}

/* Main Content */
.main-content {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
    position: relative;
}

.content-section {
    display: none;
    animation: fadeIn 0.3s ease;
}

.content-section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Glass Effect */
.glass {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* Overview Cards */
.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.card {
    padding: 1.5rem;
}

.card h3 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.big-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0.5rem 0;
}

.sub-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

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

.section-header h2 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin: 0;
}

/* Tables */
.table-section {
    margin-bottom: 2rem;
}

.table-responsive {
    overflow-x: auto;
}

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

th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: var(--glass-border);
}

th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: rgba(0, 0, 0, 0.2);
}

td {
    font-size: 0.95rem;
}

tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* Badges & Status */
.badge {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-family: monospace;
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-online { background: rgba(16, 185, 129, 0.2); color: var(--success-color); border: 1px solid rgba(16, 185, 129, 0.3); }
.status-warning { background: rgba(245, 158, 11, 0.2); color: var(--warning-color); border: 1px solid rgba(245, 158, 11, 0.3); }
.status-offline { background: rgba(239, 68, 68, 0.2); color: var(--danger-color); border: 1px solid rgba(239, 68, 68, 0.3); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.9rem;
}

.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.8rem; }
.btn-block { width: 100%; }

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

.btn-success { background: rgba(16, 185, 129, 0.2); color: var(--success-color); border: 1px solid rgba(16, 185, 129, 0.3); }
.btn-success:hover { background: rgba(16, 185, 129, 0.3); }

.btn-danger { background: rgba(239, 68, 68, 0.2); color: var(--danger-color); border: 1px solid rgba(239, 68, 68, 0.3); }
.btn-danger:hover { background: rgba(239, 68, 68, 0.3); }

.btn-logout {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.9rem;
    transition: all 0.2s;
}

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

/* Forms */
.form-container {
    background: rgba(15, 23, 42, 0.5);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border: var(--glass-border);
}

.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.5rem; color: var(--text-secondary); font-size: 0.85rem; }

.form-input {
    width: 100%;
    padding: 0.6rem 1rem;
    background: rgba(15, 23, 42, 0.6);
    border: var(--glass-border);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(15, 23, 42, 0.8);
}

/* Login Page Only */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow: auto;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    background: rgba(0,0,0,0.2);
    border-radius: 6px;
    margin-bottom: 1rem;
}

.dot {
    width: 8px; height: 8px; border-radius: 50%; background-color: #64748B;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.1); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.2); }


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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    background-image: radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.15) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 20%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: var(--glass-border);
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.5rem;
    color: var(--accent-color);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--card-bg);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    border: var(--glass-border);
    font-size: 0.9rem;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #64748B;
}

/* Glass Effect */
.glass {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

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

.card {
    padding: 1.5rem;
    transition: transform 0.2s;
}

.card:hover {
    transform: translateY(-2px);
}

.card h3 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.big-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0.5rem 0;
}

.sub-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Tables */
.table-section {
    margin-bottom: 2rem;
}

.table-section h2 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.table-responsive {
    overflow-x: auto;
}

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

th,
td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

td {
    font-size: 0.95rem;
}

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

/* Badges */
.badge {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-family: monospace;
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-online {
    background: rgba(16, 185, 129, 0.2);
    color: #34D399;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-warning {
    background: rgba(245, 158, 11, 0.2);
    color: #FBBF24;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-offline {
    background: rgba(239, 68, 68, 0.2);
    color: #F87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.query-text {
    font-family: monospace;
    font-size: 0.85rem;
    color: #E2E8F0;
}


/* Header Adjustments */
.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-logout {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
}

.btn-success {
    background: rgba(16, 185, 129, 0.2);
    color: #34D399;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    background: rgba(16, 185, 129, 0.3);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.2);
    color: #F87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.3);
}

.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 2.5rem;
    text-align: center;
}

.login-header {
    margin-bottom: 2rem;
}

.login-header i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.login-header h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.input-icon {
    position: relative;
}

.input-icon i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.input-icon input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    transition: border-color 0.2s;
}

.input-icon input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.9rem;
}

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

.btn-primary:hover {
    background: #2563EB;
    transform: translateY(-1px);
}

.btn-block {
    width: 100%;
}

.alert {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-align: left;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: #F87171;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* UI Refinements */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.section-header h2 {
    margin-bottom: 0 !important;
    /* Override default h2 margin */
    font-size: 1.25rem;
    color: var(--text-primary);
}

/* Better Table Styling */
thead tr {
    background: rgba(0, 0, 0, 0.2);
}

tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

/* Form Inputs */
.form-input {
    width: 100%;
    padding: 0.6rem 1rem;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(15, 23, 42, 0.8);
}

/* Modal/Form Area */
.form-container {
    background: rgba(15, 23, 42, 0.5);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Missing Badge Colors */
.badge-success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning-color);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger-color);
    border: 1px solid rgba(239, 68, 68, 0.3);
}