/* Rosé Pine Moon Theme */
:root {
    --bg-color: #232136;
    --bg-surface: #2a273f;
    --bg-overlay: #393552;
    --fg-white: #eae8ff;
    --fg-green: #9ccfd8;
    --fg-dim: #837f9b;
    --fg-red: #eb6f92;
    --fg-orange: #f6c177;
    --fg-yellow: #f6c177;
    --fg-cyan: #9ccfd8;
    --fg-subtle: #a5a1bd;
    --fg-iris: #c4a7e7;
    --fg-rose: #ea9a97;
    --fg-pine: #3e8fb0;
    --highlight-low: #2a283e;
    --highlight-med: #44415a;
    --highlight-high: #56526e;
    --grid-line: rgba(224, 222, 244, 0.04);
    --glow-green: rgba(156, 207, 216, 0.3);
    --row-hover: rgba(156, 207, 216, 0.06);
    --font-mono: 'Courier New', Courier, monospace;
}

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

body {
    background-color: var(--bg-color);
    color: var(--fg-white);
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--fg-green); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Noise overlay — disabled, kept for reference */
.noise-overlay {
    display: none;
}

/* Main layout */
.app-layout {
    display: grid;
    grid-template-columns: 200px 1fr;
    min-height: 100vh;
}

/* Navigation sidebar */
.nav-sidebar {
    background: var(--bg-surface);
    border-right: 1px solid var(--fg-dim);
    padding: 16px 0;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
}

.nav-sidebar > * {
    flex-shrink: 0;
}

.nav-brand {
    padding: 0 12px 12px;
    border-bottom: 1px solid var(--fg-dim);
    margin-bottom: 8px;
}

.nav-brand h1 {
    font-size: 13px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--fg-green);
}

.nav-section {
    padding: 0 10px;
    margin-bottom: 8px;
}

.nav-section-title {
    font-size: 8px;
    color: var(--fg-dim);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 4px;
    padding-left: 2px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 8px;
    color: var(--fg-white);
    font-size: 11px;
    border-left: 2px solid transparent;
    transition: all 0.2s;
    white-space: nowrap;
}

.nav-link:hover {
    background: var(--row-hover);
    border-left-color: var(--fg-green);
    text-decoration: none;
}

.nav-link.active {
    border-left-color: var(--fg-green);
    color: var(--fg-green);
    background: var(--row-hover);
}

.nav-link .dot {
    width: 5px; height: 5px;
    border-radius: 50%;
    background: var(--fg-dim);
    flex-shrink: 0;
}

.nav-link.active .dot { background: var(--fg-green); }

/* Main content area */
.main-content {
    padding: 0;
    min-height: 100vh;
}

/* Diagnostic frame */
.diagnostic-frame {
    border: 1px solid var(--fg-dim);
    margin: 20px;
    position: relative;
    background:
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px),
        linear-gradient(180deg, var(--grid-line) 1px, transparent 1px);
    background-size: 40px 40px;
}

.frame-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 16px;
    height: 40px;
    border-bottom: 1px solid var(--fg-dim);
    font-size: 11px;
    letter-spacing: 1px;
    text-transform: uppercase;
    background: var(--bg-color);
}

.frame-header .status { color: var(--fg-green); }

.frame-body { padding: 20px; position: relative; }

.frame-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 16px;
    height: 32px;
    border-top: 1px solid var(--fg-dim);
    font-size: 10px;
    color: var(--fg-subtle);
    letter-spacing: 2px;
    background: var(--bg-color);
}

/* Crosshair corners */
.crosshair { position: absolute; width: 16px; height: 16px; border-left: 1px solid var(--fg-dim); border-top: 1px solid var(--fg-dim); }
.ch-tl { top: 0; left: 0; }
.ch-tr { top: 0; right: 0; transform: rotate(90deg); }
.ch-bl { bottom: 0; left: 0; transform: rotate(-90deg); }
.ch-br { bottom: 0; right: 0; transform: rotate(180deg); }

/* Scan line animation */
.scan-line {
    position: absolute; width: 100%; height: 1px;
    background: rgba(156, 207, 216, 0.06);
    animation: scan 8s linear infinite;
    pointer-events: none;
}
@keyframes scan { 0% { top: 0; } 100% { top: 100%; } }

/* Data readouts */
.data-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.data-readout {
    border-left: 2px solid var(--fg-green);
    padding-left: 12px;
}

.data-label {
    font-size: 9px;
    color: var(--fg-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.data-value {
    font-size: 20px;
    color: var(--fg-white);
}

.data-value.highlight { color: var(--fg-green); text-shadow: 0 0 10px var(--glow-green); }
.data-value.danger { color: var(--fg-red); }
.data-value.warning { color: var(--fg-orange); }

/* Status badges */
.badge-sm {
    border: 1px solid var(--fg-white);
    padding: 2px 6px;
    font-size: 9px;
    letter-spacing: 1px;
}

.badge-green { border-color: var(--fg-green); color: var(--fg-green); }
.badge-red { border-color: var(--fg-red); color: var(--fg-red); }
.badge-yellow { border-color: var(--fg-yellow); color: var(--fg-yellow); }

/* Status dot */
.status-dot {
    width: 8px; height: 8px;
    background: var(--fg-green);
    border-radius: 50%;
    display: inline-block;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0% { opacity: 1; box-shadow: 0 0 0 0 rgba(156,207,216,0.7); }
    70% { opacity: 0.5; box-shadow: 0 0 0 10px rgba(156,207,216,0); }
    100% { opacity: 1; box-shadow: 0 0 0 0 rgba(156,207,216,0); }
}

/* Tables */
.spark-table, .spark-table thead, .spark-table tbody, .spark-table tr, .spark-table th, .spark-table td {
    background: transparent;
}
.spark-table { width: auto; border-collapse: collapse; font-size: 12px; }
.spark-table th {
    text-align: left; padding: 6px 16px 6px 0;
    border-bottom: 1px solid var(--fg-dim);
    color: var(--fg-dim); font-size: 10px;
    text-transform: uppercase; letter-spacing: 1.5px;
    white-space: nowrap;
}
.spark-table td {
    padding: 6px 16px 6px 0;
    border-bottom: 1px solid rgba(224, 222, 244, 0.05);
    white-space: nowrap;
    color: var(--fg-white);
}
.spark-table tr:hover { background: var(--row-hover); }

/* Tooltips */
.tip {
    position: relative;
    cursor: help;
    border-bottom: 1px dotted var(--fg-subtle);
}
.tip::after {
    content: attr(data-tip);
    position: absolute;
    left: 0;
    bottom: calc(100% + 8px);
    width: 280px;
    padding: 8px 10px;
    background: var(--bg-overlay);
    color: var(--fg-white);
    font-size: 11px;
    line-height: 1.5;
    white-space: normal;
    border: 1px solid var(--fg-dim);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s;
    z-index: 100;
}
.tip:hover::after { opacity: 1; }

/* Scroll feed (for live data) */
.scroll-feed {
    max-height: 400px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--fg-dim) transparent;
}
.scroll-feed::-webkit-scrollbar { width: 4px; }
.scroll-feed::-webkit-scrollbar-thumb { background: var(--fg-dim); }

/* Feed row */
.feed-row {
    display: grid;
    grid-template-columns: 100px 140px 80px 80px 80px 60px 70px;
    padding: 8px 10px;
    border-bottom: 1px solid rgba(224, 222, 244, 0.03);
    font-size: 11px;
    align-items: center;
    transition: background 0.3s;
}
.feed-row:hover { background: var(--row-hover); }
.feed-row.high-risk {
    animation: risk-flash 1s ease-out;
}
@keyframes risk-flash {
    0% { background: rgba(235, 111, 146, 0.2); }
    100% { background: transparent; }
}

/* Risk score colors */
.risk-low { color: var(--fg-green); }
.risk-medium { color: var(--fg-yellow); }
.risk-high { color: var(--fg-red); }

/* Insight counter */
.counter-box {
    border: 1px solid var(--fg-green);
    padding: 12px 20px;
    background: rgba(42, 39, 63, 0.8);
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 0 15px rgba(156, 207, 216, 0.1);
}
.counter-label { font-size: 9px; color: var(--fg-white); letter-spacing: 1px; margin-bottom: 4px; }
.counter-value { font-size: 28px; color: var(--fg-green); letter-spacing: 2px; }

/* Walkthrough sections */
.walkthrough-section {
    border: 1px solid var(--fg-dim);
    margin-bottom: 20px;
    padding: 20px;
    background: rgba(57, 53, 82, 0.3);
}
.walkthrough-section h3 {
    color: var(--fg-green);
    font-size: 13px;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 12px;
}
.walkthrough-section p {
    color: var(--fg-white);
    opacity: 0.85;
    margin-bottom: 12px;
}
.walkthrough-code {
    background: var(--bg-color);
    border: 1px solid var(--fg-dim);
    padding: 12px;
    font-size: 11px;
    overflow-x: auto;
    color: var(--fg-green);
}

/* Cards grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
}

.card {
    border: 1px solid var(--fg-dim);
    background: var(--bg-surface);
    padding: 20px;
}

.card-title {
    font-size: 12px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--fg-green);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--fg-dim);
}

/* Forms */
.spark-input {
    background: var(--bg-color);
    border: 1px solid var(--fg-dim);
    color: var(--fg-white);
    font-family: var(--font-mono);
    font-size: 12px;
    padding: 8px 12px;
    width: 100%;
}
.spark-input:focus {
    outline: none;
    border-color: var(--fg-green);
}

.spark-btn {
    background: transparent;
    border: 1px solid var(--fg-green);
    color: var(--fg-green);
    font-family: var(--font-mono);
    font-size: 11px;
    padding: 8px 16px;
    cursor: pointer;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all 0.2s;
}
.spark-btn:hover {
    background: var(--fg-green);
    color: var(--bg-color);
}

/* Slider */
.spark-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 2px;
    background: var(--fg-dim);
    outline: none;
}
.spark-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px; height: 12px;
    background: var(--fg-green);
    cursor: pointer;
    border-radius: 0;
}

/* Flow diagram */
.flow-node {
    border: 1px solid var(--fg-dim);
    padding: 8px 16px;
    display: inline-block;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.flow-node.active { border-color: var(--fg-green); color: var(--fg-green); }
.flow-arrow { color: var(--fg-dim); margin: 0 8px; }

/* Metrics row */
.metrics-row {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}
.metric-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.metric-label {
    font-size: 9px;
    color: var(--fg-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.metric-value {
    font-size: 16px;
    color: var(--fg-green);
}

/* Canvas for oscilloscope */
canvas.oscilloscope {
    display: block;
    width: 100%;
    height: 200px;
    filter: drop-shadow(0 0 4px rgba(156, 207, 216, 0.4));
}

/* Scoring feed + alert queue + detail three-column layout */
.triple-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 16px;
}

.triple-row > .diagnostic-frame {
    min-width: 0;
}

/* Threshold slider */
#threshold-control {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
}

#threshold-value {
    color: var(--fg-green);
    font-weight: bold;
    font-size: 14px;
    min-width: 36px;
}

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    flex: 1;
    height: 4px;
    background: var(--highlight-med);
    border-radius: 2px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--fg-green);
    cursor: pointer;
    border: 2px solid var(--bg-color);
}

input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--fg-green);
    cursor: pointer;
    border: 2px solid var(--bg-color);
}

/* Agent investigation */
.agent-btn {
    border-color: var(--fg-iris);
    color: var(--fg-iris);
}
.agent-btn:hover {
    background: var(--fg-iris);
    color: var(--bg-color);
}

.investigation-step {
    padding: 4px 0;
    border-bottom: 1px solid rgba(224, 222, 244, 0.03);
}

.investigation-log {
    max-height: 300px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--fg-dim) transparent;
    padding: 8px;
    border: 1px solid var(--highlight-med);
    background: rgba(35, 33, 54, 0.5);
    font-family: var(--font-mono);
}

.investigation-report {
    margin-top: 12px;
    padding: 12px;
    border: 1px solid var(--fg-green);
    background: rgba(156, 207, 216, 0.04);
}

/* Drift banner */
.drift-banner {
    text-align: center;
    padding: 8px 16px;
    border: 1px solid var(--fg-red);
    animation: pulse 2s infinite;
    margin-top: 12px;
}

/* Model source badge */
.model-badge {
    font-family: var(--font-mono);
    font-size: 8px;
    letter-spacing: 1px;
    padding: 1px 4px;
    border: 1px solid var(--fg-dim);
    color: var(--fg-dim);
    vertical-align: middle;
    margin-left: 4px;
}
.model-badge-ml {
    border-color: var(--fg-green);
    color: var(--fg-green);
}

/* Demo data banner */
.demo-banner {
    border: 1px dashed var(--fg-orange);
    padding: 12px;
    position: relative;
    background: rgba(246, 193, 119, 0.04);
}
.demo-banner::before {
    content: "[DEMO DATA]";
    position: absolute;
    top: -8px;
    left: 12px;
    background: var(--bg-color);
    color: var(--fg-orange);
    font-size: 9px;
    letter-spacing: 1px;
    padding: 0 6px;
    font-family: var(--font-mono);
}

/* Anomaly score colors */
.anomaly-low { color: var(--fg-green); }
.anomaly-med { color: var(--fg-iris); }
.anomaly-high { color: var(--fg-red); text-shadow: 0 0 6px rgba(235, 111, 146, 0.4); }

/* Adapting glow animation */
.adapting-glow {
    animation: adapting-glow 1.5s ease-in-out infinite;
}
@keyframes adapting-glow {
    0% { text-shadow: 0 0 4px rgba(246, 193, 119, 0.3); }
    50% { text-shadow: 0 0 12px rgba(246, 193, 119, 0.8); }
    100% { text-shadow: 0 0 4px rgba(246, 193, 119, 0.3); }
}

/* Mobile nav toggle — base (hidden on desktop) */
.nav-toggle-checkbox { display: none; }
.nav-hamburger { display: none; }
.nav-overlay { display: none; }

/* Layout helpers (used by pages instead of inline styles) */
.race-layout { display: flex; gap: 24px; }
.form-grid-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* Responsive — Tablet landscape */
@media (max-width: 1024px) {
    .triple-row { grid-template-columns: 1fr 1fr; }
    .triple-row > :last-child { grid-column: 1 / -1; }
    .card-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
    .feed-row { grid-template-columns: 90px 120px 70px 70px 70px 55px 65px; }
}

/* Responsive — Tablet portrait */
@media (max-width: 768px) {
    .app-layout { grid-template-columns: 1fr; }

    /* Hamburger button */
    .nav-hamburger {
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 5px;
        position: fixed;
        top: 8px;
        left: 8px;
        z-index: 1100;
        width: 44px;
        height: 44px;
        align-items: center;
        cursor: pointer;
        background: var(--bg-surface);
        border: 1px solid var(--fg-dim);
    }
    .hamburger-line {
        display: block;
        width: 22px;
        height: 2px;
        background: var(--fg-green);
        transition: transform 0.3s, opacity 0.3s;
    }

    /* Animate to X when open */
    .nav-toggle-checkbox:checked ~ .nav-hamburger .hamburger-line:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .nav-toggle-checkbox:checked ~ .nav-hamburger .hamburger-line:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle-checkbox:checked ~ .nav-hamburger .hamburger-line:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    /* Sidebar as slide-out overlay */
    .nav-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        width: 220px;
        z-index: 1050;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    .nav-toggle-checkbox:checked ~ .app-layout .nav-sidebar {
        transform: translateX(0);
    }

    /* Semi-transparent backdrop */
    .nav-overlay {
        display: block;
        position: fixed;
        inset: 0;
        z-index: 1040;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s;
    }
    .nav-toggle-checkbox:checked ~ .nav-overlay {
        opacity: 1;
        pointer-events: auto;
    }

    /* Larger touch targets for nav links */
    .nav-link { padding: 12px 8px; }

    /* Main content clears hamburger */
    .main-content { padding-top: 52px; }

    /* Tighter frames */
    .diagnostic-frame { margin: 10px 8px; }

    /* Grids collapse */
    .triple-row { grid-template-columns: 1fr; }
    .triple-row > :last-child { grid-column: auto; }
    .card-grid { grid-template-columns: 1fr; }
    .form-grid-2col { grid-template-columns: 1fr; }

    /* Feed row — 2 columns at tablet */
    .feed-row { grid-template-columns: 1fr 1fr; gap: 4px; font-size: 10px; }

    /* Tables scroll horizontally */
    .spark-table { display: block; overflow-x: auto; }

    /* Touch-friendly buttons & inputs */
    .spark-btn { min-height: 44px; padding: 10px 16px; }
    .spark-input { min-height: 44px; font-size: 14px; }

    /* Larger slider thumbs for touch */
    input[type="range"]::-webkit-slider-thumb { width: 24px; height: 24px; }
    input[type="range"]::-moz-range-thumb { width: 24px; height: 24px; }

    /* Tooltips below on mobile, centered */
    .tip::after {
        left: 50%;
        transform: translateX(-50%);
        bottom: auto;
        top: calc(100% + 8px);
        width: min(280px, 80vw);
    }
    .tip:focus::after { opacity: 1; }

    /* Smaller frame chrome */
    .frame-header { font-size: 10px; height: 36px; padding: 0 10px; }
    .frame-footer { font-size: 9px; height: 28px; padding: 0 10px; }
}

/* Responsive — Phone */
@media (max-width: 480px) {
    .diagnostic-frame { margin: 8px 4px; }
    .frame-body { padding: 12px; }

    /* Feed rows stack to single column */
    .feed-row {
        grid-template-columns: 1fr;
        gap: 2px;
        border-left: 2px solid var(--fg-dim);
        padding: 8px 10px;
        margin-bottom: 4px;
    }
    .feed-header { display: none; }

    /* Data grid single column */
    .data-grid { grid-template-columns: 1fr; }
    .data-value { font-size: 16px; }
    .counter-value { font-size: 22px; }

    /* Smaller oscilloscope */
    canvas.oscilloscope { height: 120px; }

    /* Race layout stacks */
    .race-layout { flex-direction: column; }
}