/* -------------------------------------------------------------
 * Custom Stylesheet: Premium Dark Mode Observability Dashboard
 * Built for MADHACKER85 Infrastructure Monitoring Mockup
 * ------------------------------------------------------------- */

/* Core Variables */
:root {
    --bg-primary: #111217;
    --bg-secondary: #181b1f;
    --bg-panel: #22252b;
    --bg-sidebar: #0b0c10;
    --border-color: #2c323d;
    --text-primary: #e9edef;
    --text-muted: #8e9aae;
    --brand-orange: #f8961e;
    --green-accent: #2ecc71;
    --amber-accent: #f39c12;
    --red-accent: #e74c3c;
    --blue-accent: #3498db;
    --font-stack: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --transition-speed: 0.25s;
}

/* Reset & Base Elements */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-stack);
    font-size: 14px;
    line-height: 1.5;
    overflow-x: hidden;
}

/* Page Layout */
.app-container {
    display: flex;
    min-height: 100vh;
    width: 100vw;
}

/* Sidebar Styling */
.sidebar {
    width: 240px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 18px;
    color: var(--brand-orange);
}

.logo-icon {
    font-size: 22px;
}

.sidebar-nav {
    padding: 20px 10px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex-grow: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 15px;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    transition: all var(--transition-speed);
}

.nav-item:hover, .nav-item.active {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.nav-item.active {
    border-left: 3px solid var(--brand-orange);
}

.sidebar-footer {
    padding: 15px;
    border-top: 1px solid var(--border-color);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 10px;
}

.avatar {
    font-size: 32px;
    color: var(--text-muted);
}

.user-info {
    display: flex;
    flex-direction: column;
}

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

.user-role {
    font-size: 12px;
    color: var(--text-muted);
}

/* Main Content Area */
.main-content {
    flex-grow: 1;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    background-color: var(--bg-primary);
    overflow-y: auto;
}

/* Disclaimer Banner */
.disclaimer-banner {
    display: flex;
    align-items: center;
    gap: 15px;
    background: linear-gradient(135deg, rgba(243, 156, 18, 0.15) 0%, rgba(231, 76, 60, 0.15) 100%);
    border: 1px solid rgba(243, 156, 18, 0.4);
    padding: 15px 20px;
    border-radius: 6px;
}

.disclaimer-icon {
    font-size: 24px;
    color: var(--amber-accent);
}

.disclaimer-text {
    font-size: 13.5px;
    color: var(--text-primary);
}

/* Content Header */
.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
}

.content-header h1 {
    font-size: 22px;
    font-weight: 600;
}

.toolbar-section {
    display: flex;
    gap: 12px;
}

.time-picker, .refresh-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 13px;
}

.spinning {
    animation: spin 3s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Alert Banner Section */
.alert-feed-container {
    animation: fadeIn 0.4s ease-out;
}

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

.alert-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 16px 20px;
    border-radius: 6px;
    color: #fff;
    margin-bottom: 10px;
}

.alert-card.warning {
    background-color: rgba(231, 76, 60, 0.9);
    border: 1px solid var(--red-accent);
    box-shadow: 0 0 15px rgba(231, 76, 60, 0.3);
}

.alert-icon {
    font-size: 24px;
}

.blink {
    animation: blinker 1.2s linear infinite;
}

@keyframes blinker {
    50% { opacity: 0; }
}

.alert-details h4 {
    font-weight: 700;
    font-size: 15px;
    margin-bottom: 2px;
}

.alert-details p {
    font-size: 13px;
    opacity: 0.95;
}

.alert-timestamp {
    margin-left: auto;
    font-size: 12px;
    opacity: 0.8;
}

/* Dashboard Grid & Panels */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.panel-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 150px;
    position: relative;
    transition: box-shadow var(--transition-speed);
}

.panel-card:hover {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.panel-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    border-left: 3px solid var(--brand-orange);
    padding-left: 8px;
    margin-bottom: 5px;
}

/* Stat Panel Specific */
.stat-panel {
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 130px;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    margin: 8px 0;
    letter-spacing: -0.5px;
}

.uptime-value {
    color: var(--brand-orange);
}

.stat-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
}

.text-green {
    color: var(--green-accent);
}

.text-red {
    color: var(--red-accent) !important;
}

/* Progress Panel (Disk Space) */
.progress-panel {
    justify-content: space-between;
}

.progress-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 10px 0;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-weight: 600;
    font-size: 13px;
}

.progress-bar-bg {
    height: 12px;
    background-color: var(--bg-panel);
    border-radius: 6px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background-color: var(--blue-accent);
    border-radius: 6px;
    transition: width 0.5s ease-in-out;
}

/* Chart Panel Specific */
.chart-panel {
    grid-column: span 1;
    min-height: 300px;
}

.chart-panel.full-width {
    grid-column: span 3;
}

.chart-container {
    position: relative;
    flex-grow: 1;
    width: 100%;
    height: 100%;
}

/* Simulator Widget */
.simulator-controls-section {
    margin-top: 10px;
}

.simulator-card {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, #1c2027 100%);
    border: 1px dashed var(--border-color);
    border-radius: 6px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.sim-header {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--blue-accent);
}

.sim-header h2 {
    font-size: 18px;
    font-weight: 600;
}

.simulator-card p {
    color: var(--text-muted);
    max-width: 700px;
}

.sim-buttons {
    display: flex;
    gap: 15px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 13px;
    font-weight: 600;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.btn-stress {
    background-color: var(--brand-orange);
    color: #fff;
}

.btn-stress:hover {
    background-color: #e38210;
    box-shadow: 0 0 10px rgba(248, 150, 30, 0.4);
}

.btn-normalize {
    background-color: var(--green-accent);
    color: #fff;
}

.btn-normalize:hover {
    background-color: #27ae60;
    box-shadow: 0 0 10px rgba(46, 204, 113, 0.4);
}

.btn:disabled {
    background-color: var(--bg-panel);
    color: var(--text-muted);
    cursor: not-allowed;
    box-shadow: none;
}

/* Footer Section */
.app-footer {
    border-top: 1px solid var(--border-color);
    padding: 24px 0 10px 0;
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 10px;
}

.footer-links {
    display: flex;
    gap: 12px;
    font-size: 12.5px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-speed);
}

.footer-links a:hover {
    color: var(--brand-orange);
}

.copyright-notice {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-primary);
}

.legal-disclaimer {
    max-width: 800px;
    font-size: 11.5px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Tab content visibility */
.tab-content {
    display: none;
    animation: fadeIn var(--transition-speed) ease-out;
}
.tab-content.active {
    display: block;
}

/* Prometheus Mock UI Styles */
.prometheus-mock {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.prom-header {
    background-color: #2b2f35;
    border-bottom: 1px solid var(--border-color);
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.prom-logo {
    font-weight: 700;
    color: #e6522c; /* Prometheus signature red-orange */
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
}

.prom-logo i {
    font-size: 18px;
}

.prom-nav {
    display: flex;
    gap: 15px;
}

.prom-nav-item {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    padding: 6px 12px;
    border-radius: 4px;
    transition: background-color 0.2s, color 0.2s;
}

.prom-nav-item:hover, .prom-nav-item.active {
    background-color: var(--border-color);
    color: var(--text-primary);
}

.prom-version {
    font-size: 12px;
    color: var(--text-muted);
}

.prom-body {
    padding: 24px;
}

.prom-title {
    font-size: 24px;
    font-weight: 500;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.prom-rule-group {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 18px;
    margin-bottom: 20px;
}

.prom-group-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.prom-rule-card {
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.prom-rule-header {
    background-color: var(--bg-secondary);
    padding: 12px 15px;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--border-color);
}

.prom-badge-state {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 2px 8px;
    border-radius: 3px;
    letter-spacing: 0.5px;
}

.prom-badge-state.inactive {
    background-color: var(--border-color);
    color: var(--text-muted);
}

.prom-badge-state.firing {
    background-color: var(--red-accent);
    color: #ffffff;
    animation: amPulse 2s infinite;
}

@keyframes amPulse {
    0% { box-shadow: 0 0 0 0 rgba(231, 76, 60, 0.7); }
    70% { box-shadow: 0 0 0 6px rgba(231, 76, 60, 0); }
    100% { box-shadow: 0 0 0 0 rgba(231, 76, 60, 0); }
}

.prom-rule-name {
    font-weight: 700;
    font-size: 15px;
    color: var(--brand-orange);
}

.prom-rule-expr {
    font-family: monospace;
    font-size: 12px;
    color: var(--text-muted);
    background-color: var(--bg-primary);
    padding: 3px 8px;
    border-radius: 3px;
    border: 1px solid var(--border-color);
}

.prom-rule-details {
    padding: 15px;
    background-color: var(--bg-panel);
}

.prom-rule-details p {
    margin-bottom: 8px;
    font-size: 13px;
}

.prom-rule-details p strong {
    color: var(--text-primary);
}

.label-badge {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 1px 6px;
    border-radius: 3px;
    font-size: 11.5px;
    font-family: monospace;
}

.label-badge.small {
    font-size: 11px;
}

.prom-firing-list {
    margin-top: 15px;
    border-top: 1px solid var(--border-color);
    padding-top: 15px;
}

.prom-firing-alert {
    background-color: rgba(231, 76, 60, 0.1);
    border: 1px solid var(--red-accent);
    border-radius: 4px;
    padding: 12px;
}

.prom-alert-labels {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 10px;
}

.label-badge-active {
    background-color: var(--red-accent);
    color: #ffffff;
    padding: 1px 6px;
    border-radius: 3px;
    font-size: 11px;
    font-family: monospace;
}

.prom-alert-value, .prom-alert-active-since {
    font-size: 12.5px;
    margin-bottom: 4px;
}

.prom-timestamp {
    color: var(--red-accent);
    font-weight: 600;
}


/* Alertmanager Mock UI Styles */
.alertmanager-mock {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.am-header {
    background-color: #2c2c35;
    border-bottom: 1px solid var(--border-color);
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 15px;
}

.am-logo {
    font-weight: 700;
    color: var(--amber-accent); /* Alertmanager brand yellow-orange */
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
}

.am-nav {
    display: flex;
    gap: 15px;
}

.am-nav-item {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    padding: 6px 12px;
    border-radius: 4px;
    transition: background-color 0.2s, color 0.2s;
}

.am-nav-item:hover, .am-nav-item.active {
    background-color: var(--border-color);
    color: var(--text-primary);
}

.am-search-bar {
    display: flex;
    align-items: center;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 6px 12px;
    gap: 8px;
    width: 250px;
}

.am-search-bar i {
    color: var(--text-muted);
}

.am-search-bar input {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 13px;
    width: 100%;
    outline: none;
}

.am-body {
    padding: 24px;
}

.am-alerts-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.am-group-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--amber-accent);
    padding-bottom: 8px;
}

.am-group-title {
    font-weight: 600;
    font-size: 14px;
    color: var(--amber-accent);
    font-family: monospace;
}

.am-group-count {
    font-size: 12px;
    background-color: var(--bg-panel);
    padding: 2px 8px;
    border-radius: 10px;
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}

.am-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    color: var(--text-muted);
    gap: 12px;
    text-align: center;
}

.am-empty-state i {
    font-size: 48px;
    color: var(--green-accent);
}

.am-empty-state p {
    font-size: 15px;
}

.am-alerts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 15px;
    animation: fadeIn 0.3s ease-out;
}

.am-alert-card {
    background-color: var(--bg-panel);
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.am-alert-card.warning-card {
    border-left: 4px solid var(--amber-accent);
}

.am-card-header {
    background-color: rgba(243, 156, 18, 0.08);
    padding: 10px 15px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
}

.am-badge {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 2px 6px;
    border-radius: 3px;
    letter-spacing: 0.5px;
}

.am-badge.warning {
    background-color: var(--amber-accent);
    color: #ffffff;
}

.am-alert-name {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-primary);
}

.am-card-body {
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 13px;
}

.am-label-group, .am-annotations-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.am-label-group strong, .am-annotations-group strong {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.am-label {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--amber-accent);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 11px;
    font-family: monospace;
    align-self: flex-start;
}

.am-annotations-group p {
    margin-bottom: 2px;
    color: var(--text-primary);
}

.am-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 10px;
    margin-top: 5px;
}

.am-time {
    font-size: 11px;
    color: var(--text-muted);
}

.btn-silence {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 5px 12px;
    font-size: 11px;
    border-radius: 3px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: background-color 0.2s, border-color 0.2s;
}

.btn-silence:hover {
    background-color: var(--border-color);
    border-color: var(--text-muted);
}

/* Responsive Scaling */
@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .chart-panel.full-width {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    .chart-panel, .chart-panel.full-width {
        grid-column: span 1;
    }
}