/* PgDash - PostgreSQL/PgBouncer Dashboard Styles */

:root {
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --bg-card: #0f3460;
    --accent-primary: #0f4c75;
    --accent-secondary: #3282b8;
    --success: #00bf63;
    --warning: #ffcc00;
    --danger: #ff4757;
    --text-primary: #e8e8e8;
    --text-secondary: #a0a0a0;
    --text-muted: #6c757d;
    --border-color: #2a2a4a;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

/* Header */
.header {
    background: var(--bg-secondary);
    padding: 1rem 2rem;
    border-bottom: 2px solid var(--accent-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.header h1 {
    font-size: 1.5rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.server-info {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.timestamp {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.refresh-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.refresh-controls select {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    cursor: pointer;
}

.refresh-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse 2s infinite;
}

.refresh-indicator.loading {
    background: var(--warning);
    animation: spin 1s linear infinite;
}

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

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Main Content */
.main {
    padding: 1.5rem;
    max-width: 1800px;
    margin: 0 auto;
}

/* Health Banner */
.health-banner {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 600;
    box-shadow: var(--shadow);
}

.health-banner.healthy {
    background: linear-gradient(135deg, rgba(0, 191, 99, 0.2) 0%, rgba(0, 191, 99, 0.1) 100%);
    border: 1px solid var(--success);
    color: var(--success);
}

.health-banner.degraded {
    background: linear-gradient(135deg, rgba(255, 204, 0, 0.2) 0%, rgba(255, 204, 0, 0.1) 100%);
    border: 1px solid var(--warning);
    color: var(--warning);
}

.health-banner.critical {
    background: linear-gradient(135deg, rgba(255, 71, 87, 0.2) 0%, rgba(255, 71, 87, 0.1) 100%);
    border: 1px solid var(--danger);
    color: var(--danger);
}

/* Grid Layout */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1200px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.4);
}

.card-title {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.card-subvalue {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* Stat Cards */
.stat-card { text-align: center; }
.stat-card .card-value.success { color: var(--success); }
.stat-card .card-value.warning { color: var(--warning); }
.stat-card .card-value.danger { color: var(--danger); }

/* Progress Bars */
.progress-container { margin-top: 1rem; }

.progress-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    margin-bottom: 0.3rem;
}

.progress-bar {
    height: 8px;
    background: var(--bg-primary);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.5s ease;
}

.progress-fill.success { background: linear-gradient(90deg, var(--success), #00d26a); }
.progress-fill.warning { background: linear-gradient(90deg, var(--warning), #ffd633); }
.progress-fill.danger { background: linear-gradient(90deg, var(--danger), #ff6b7a); }

/* Gauge */
.gauge-container {
    position: relative;
    width: 150px;
    height: 150px;
    margin: 0 auto;
}

.gauge-bg { fill: none; stroke: var(--bg-primary); stroke-width: 12; }
.gauge-fill {
    fill: none;
    stroke-width: 12;
    stroke-linecap: round;
    transform: rotate(-90deg);
    transform-origin: center;
    transition: stroke-dashoffset 0.5s ease;
}

.gauge-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.gauge-value { font-size: 1.8rem; font-weight: 700; }
.gauge-label { font-size: 0.75rem; color: var(--text-muted); }

/* Charts */
.chart-container { position: relative; height: 300px; margin-top: 1rem; }
.chart-container.small { height: 200px; }

/* Tables */
.table-container { overflow-x: auto; margin-top: 1rem; }

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

th, td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

tr:hover { background: rgba(255, 255, 255, 0.05); }
td.number { text-align: right; font-family: 'Consolas', 'Monaco', monospace; }

/* Status Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-success { background: rgba(0, 191, 99, 0.2); color: var(--success); }
.badge-warning { background: rgba(255, 204, 0, 0.2); color: var(--warning); }
.badge-danger { background: rgba(255, 71, 87, 0.2); color: var(--danger); }
.badge-info { background: rgba(50, 130, 184, 0.2); color: var(--accent-secondary); }

/* Section Headers */
.section-header {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin: 2rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--accent-primary);
}

/* Backend Cards */
.backend-card { display: flex; flex-direction: column; gap: 1rem; }

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

.backend-name { font-size: 1.2rem; font-weight: 600; }

.backend-role {
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.backend-role.primary { background: rgba(50, 130, 184, 0.2); color: var(--accent-secondary); }
.backend-role.replica { background: rgba(0, 191, 99, 0.2); color: var(--success); }

.backend-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.backend-stat {
    background: var(--bg-secondary);
    padding: 0.75rem;
    border-radius: 8px;
}

.backend-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.backend-stat-value { font-size: 1.2rem; font-weight: 600; margin-top: 0.25rem; }

/* Memory Bars */
.memory-item { margin-bottom: 1rem; }

.memory-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.3rem;
    font-size: 0.85rem;
}

/* Loading State */
.loading-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(26, 26, 46, 0.9);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top-color: var(--accent-secondary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-text { margin-top: 1rem; color: var(--text-secondary); }

/* Error State */
.error-message {
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
}

/* Unavailable State */
.unavailable { opacity: 0.5; position: relative; }

.unavailable::after {
    content: 'UNAVAILABLE';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%) rotate(-15deg);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--danger);
    opacity: 0.5;
}

/* Footer */
.footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
}

/* Animations */
.fade-in { animation: fadeIn 0.3s ease; }

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

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--accent-primary); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-secondary); }

/* Tab Bar */
.tab-bar {
    display: flex;
    gap: 0;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: color 0.2s, border-color 0.2s;
}

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

.tab-btn.active {
    color: var(--accent-secondary);
    border-bottom-color: var(--accent-secondary);
}

.tab-content { display: none; }
.tab-content.active { display: block; }

/* Query text cells */
.query-cell {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.75rem;
    color: var(--text-secondary);
    max-width: 500px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Duration colors */
.duration-fast { color: var(--success); }
.duration-medium { color: var(--warning); }
.duration-slow { color: var(--danger); }

/* Master section header accent */
.section-header.master {
    border-bottom-color: #e67e22;
    color: #e67e22;
}