/* ==========================================================================
   AuraPulse AI — Urban Thermal Canyon & Liljegren WBGT Heat Stress Engine
   High-Tech Climatology & Thermal Physics Cyberdeck Stylesheet
   ========================================================================== */

:root {
    --bg-deep: #050811;
    --bg-surface: #0a1020;
    --bg-card: rgba(14, 22, 38, 0.78);
    --border-subtle: rgba(16, 185, 129, 0.18);
    --border-active: rgba(16, 185, 129, 0.6);

    --neon-emerald: #10b981;
    --neon-cyan: #06b6d4;
    --neon-amber: #f59e0b;
    --neon-crimson: #f43f5e;
    --neon-rose: #fb7185;

    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;

    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    background-color: var(--bg-deep);
    color: var(--text-main);
    font-family: var(--font-body);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 10% 15%, rgba(16, 185, 129, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 90% 85%, rgba(245, 158, 11, 0.08) 0%, transparent 40%),
        linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 32px 32px, 32px 32px;
}

/* ==========================================================================
   HUD Header
   ========================================================================== */
.hud-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: rgba(10, 16, 32, 0.88);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-subtle);
    position: sticky;
    top: 0;
    z-index: 100;
}

.hud-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.brand-logo {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    border: 1px solid var(--neon-emerald);
    box-shadow: 0 0 14px rgba(16, 185, 129, 0.35);
    object-fit: cover;
}

.brand-text h1 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.brand-text h1 span {
    color: var(--neon-emerald);
    text-shadow: 0 0 10px rgba(16, 185, 129, 0.5);
}

.badge-tag {
    font-size: 0.65rem;
    font-family: var(--font-mono);
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(16, 185, 129, 0.15);
    color: var(--neon-emerald);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.brand-sub {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.hud-telemetry {
    display: flex;
    gap: 1rem;
}

.telemetry-pill {
    display: flex;
    flex-direction: column;
    background: rgba(14, 22, 38, 0.6);
    border: 1px solid var(--border-subtle);
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    min-width: 130px;
}

.telemetry-label {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    color: var(--text-dim);
    letter-spacing: 0.5px;
}

.telemetry-val {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-main);
}

.highlight-amber { color: var(--neon-amber); text-shadow: 0 0 8px rgba(245, 158, 11, 0.4); }
.highlight-red { color: var(--neon-crimson); text-shadow: 0 0 8px rgba(244, 63, 94, 0.4); }
.highlight-danger { color: #ff3366; text-shadow: 0 0 10px rgba(255, 51, 102, 0.6); }

.tag-risk {
    color: #ff3366;
    font-weight: 700;
    font-size: 0.85rem;
}

/* ==========================================================================
   Workspace Grid
   ========================================================================== */
.workspace-grid {
    display: grid;
    grid-template-columns: 320px 1fr 340px;
    gap: 1.25rem;
    padding: 1.25rem 2rem;
    flex: 1;
}

.panel {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 1.2rem;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

.panel-header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 1.2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding-bottom: 0.6rem;
}

.header-icon {
    font-size: 1.1rem;
}

.panel-header h2 {
    font-family: var(--font-heading);
    font-size: 0.92rem;
    font-weight: 700;
    letter-spacing: 0.8px;
    color: var(--text-main);
}

/* ==========================================================================
   Left Panel: Presets & Controls
   ========================================================================== */
.control-group {
    margin-bottom: 1.3rem;
}

.control-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    margin-bottom: 0.6rem;
}

.preset-grid {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.preset-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(14, 22, 38, 0.5);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 0.65rem 0.85rem;
    cursor: pointer;
    text-align: left;
    color: var(--text-main);
    transition: all 0.2s ease;
}

.preset-btn:hover {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--border-active);
}

.preset-btn.active {
    background: rgba(16, 185, 129, 0.14);
    border-color: var(--neon-emerald);
    box-shadow: 0 0 12px rgba(16, 185, 129, 0.2);
}

.preset-icon {
    font-size: 1.2rem;
}

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

.preset-name {
    font-size: 0.85rem;
    font-weight: 600;
}

.preset-desc {
    font-size: 0.68rem;
    color: var(--text-muted);
}

.sliders-group {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.slider-item {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.slider-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.slider-meta span:last-child {
    color: var(--neon-emerald);
    font-weight: 600;
}

input[type="range"] {
    appearance: none;
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--neon-emerald);
    cursor: pointer;
    box-shadow: 0 0 8px var(--neon-emerald);
}

.mitigation-box {
    background: rgba(10, 16, 32, 0.6);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 0.8rem;
    margin-bottom: 1.2rem;
}

.toggle-row {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-top: 0.5rem;
}

.toggle-lbl {
    font-size: 0.75rem;
    color: var(--text-main);
}

.switch {
    position: relative;
    display: inline-block;
    width: 34px;
    height: 18px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider-toggle {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.2);
    transition: .3s;
    border-radius: 18px;
}

.slider-toggle:before {
    position: absolute;
    content: "";
    height: 12px;
    width: 12px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
}

input:checked + .slider-toggle {
    background-color: var(--neon-emerald);
}

input:checked + .slider-toggle:before {
    transform: translateX(16px);
}

.panel-footer {
    margin-top: auto;
}

.action-btn {
    width: 100%;
    padding: 0.75rem;
    border-radius: 8px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border: none;
    color: #020817;
    box-shadow: 0 0 16px rgba(16, 185, 129, 0.3);
    transition: all 0.2s ease;
}

.action-btn:hover {
    box-shadow: 0 0 24px rgba(16, 185, 129, 0.6);
    transform: translateY(-1px);
}

/* ==========================================================================
   Center Stage: Canyon Raytracer & Heat Strain Deck
   ========================================================================== */
.center-stage {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.canyon-stage-panel {
    flex: 1;
    min-height: 380px;
    display: flex;
    flex-direction: column;
}

.canyon-badge {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--neon-emerald);
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.3);
    padding: 3px 8px;
    border-radius: 4px;
}

.canvas-container {
    position: relative;
    width: 100%;
    height: 280px;
    background: #03060c;
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    overflow: hidden;
}

#canyonCanvas {
    width: 100%;
    height: 100%;
}

.canvas-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.energy-bubble {
    position: absolute;
    background: rgba(10, 16, 32, 0.85);
    border: 1px solid var(--border-subtle);
    backdrop-filter: blur(8px);
    padding: 0.35rem 0.65rem;
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    font-family: var(--font-mono);
}

.energy-bubble span {
    font-size: 0.6rem;
    color: var(--text-dim);
}

.energy-bubble strong {
    font-size: 0.82rem;
    color: var(--neon-emerald);
}

.energy-bubble.top-left { top: 12px; left: 12px; }
.energy-bubble.top-right { top: 12px; right: 12px; }
.energy-bubble.bottom-center { bottom: 12px; left: 50%; transform: translateX(-50%); border-color: rgba(244, 63, 94, 0.4); }
.energy-bubble.bottom-center strong { color: var(--neon-crimson); }

.flux-matrix-bar {
    display: flex;
    justify-content: space-between;
    margin-top: 1rem;
    padding-top: 0.8rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.flux-stat {
    font-size: 0.72rem;
    font-family: var(--font-mono);
    color: var(--text-dim);
}

.flux-stat strong {
    color: var(--neon-emerald);
    margin-left: 4px;
}

.strain-deck {
    min-height: 140px;
}

.strain-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.strain-card {
    background: rgba(10, 16, 32, 0.6);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 0.8rem;
}

.s-label {
    font-size: 0.65rem;
    font-family: var(--font-mono);
    color: var(--text-dim);
}

.strain-card h3 {
    font-family: var(--font-mono);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--neon-amber);
    margin: 0.3rem 0;
}

.s-sub {
    font-size: 0.68rem;
    color: var(--text-muted);
    line-height: 1.3;
}

/* ==========================================================================
   Right Panel: Hexagonal Radar & Math
   ========================================================================== */
.telemetry-panel {
    overflow-y: auto;
    max-height: calc(100vh - 120px);
}

.radar-canvas-wrap {
    width: 100%;
    height: 180px;
    background: rgba(6, 9, 19, 0.7);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    position: relative;
    margin-bottom: 1.2rem;
}

#wbgtRadarCanvas {
    width: 100%;
    height: 100%;
}

.math-proofs-container {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-bottom: 1.2rem;
}

.math-proofs-container h3 {
    font-family: var(--font-heading);
    font-size: 0.82rem;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.math-card {
    background: rgba(14, 22, 38, 0.6);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 0.75rem;
}

.math-title {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--neon-emerald);
    margin-bottom: 0.3rem;
}

.math-formula {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    background: rgba(0, 0, 0, 0.4);
    padding: 0.4rem;
    border-radius: 4px;
    color: #6ee7b7;
    margin: 0.3rem 0;
}

.math-desc {
    font-size: 0.7rem;
    color: var(--text-muted);
    line-height: 1.35;
}

.export-box {
    background: rgba(6, 9, 19, 0.9);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    padding: 0.6rem;
    margin-top: auto;
}

.export-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.65rem;
    font-family: var(--font-mono);
    color: var(--text-dim);
    margin-bottom: 0.4rem;
}

.copy-btn {
    background: rgba(16, 185, 129, 0.15);
    border: none;
    color: var(--neon-emerald);
    font-size: 0.6rem;
    padding: 2px 6px;
    border-radius: 3px;
    cursor: pointer;
}

.copy-btn:hover {
    background: var(--neon-emerald);
    color: #000;
}

.export-box code {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: #a7f3d0;
    word-break: break-all;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.hud-footer {
    display: flex;
    justify-content: space-between;
    padding: 0.8rem 2rem;
    background: rgba(10, 16, 32, 0.95);
    border-top: 1px solid var(--border-subtle);
    font-size: 0.72rem;
    color: var(--text-dim);
    font-family: var(--font-mono);
}

@media (max-width: 1200px) {
    .workspace-grid {
        grid-template-columns: 1fr;
    }
}