/* ==========================================================================
   SynapseFlow AI — Biomorphic Adaptive UI/UX & Dynamic Cognitive Engine
   Design System & Mathematical Morphing Stylesheet
   ========================================================================== */

:root {
    /* Base Biomorphic Variables (Dynamically Morphed by JS Engine) */
    --ui-font-scale: 1.0;
    --ui-padding-multiplier: 1.0;
    --ui-border-radius: 12px;
    --ui-contrast-boost: 1.0;
    --ui-glass-blur: 16px;
    --ui-bg-opacity: 0.75;
    --ui-motion-speed: 0.35s;

    /* Palette */
    --bg-deep: #060913;
    --bg-surface: #0b1120;
    --bg-card: rgba(16, 24, 40, var(--ui-bg-opacity));
    --border-subtle: rgba(56, 189, 248, 0.15);
    --border-active: rgba(56, 189, 248, 0.6);

    --neon-cyan: #00f0ff;
    --neon-violet: #a855f7;
    --neon-emerald: #10b981;
    --neon-amber: #f59e0b;
    --neon-rose: #f43f5e;

    --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;
}

/* Biomorphic Topology Modes */
body.topology-exploratory {
    --ui-font-scale: 1.0;
    --ui-padding-multiplier: 1.0;
    --ui-border-radius: 16px;
    --ui-contrast-boost: 1.0;
    --ui-glass-blur: 20px;
    --ui-bg-opacity: 0.7;
    --accent-glow: rgba(0, 240, 255, 0.25);
}

body.topology-trading {
    --ui-font-scale: 0.92;
    --ui-padding-multiplier: 0.75;
    --ui-border-radius: 6px;
    --ui-contrast-boost: 1.15;
    --ui-glass-blur: 10px;
    --ui-bg-opacity: 0.88;
    --accent-glow: rgba(168, 85, 247, 0.3);
}

body.topology-atc {
    --ui-font-scale: 1.08;
    --ui-padding-multiplier: 1.15;
    --ui-border-radius: 10px;
    --ui-contrast-boost: 1.3;
    --ui-glass-blur: 8px;
    --ui-bg-opacity: 0.92;
    --accent-glow: rgba(16, 185, 129, 0.35);
}

body.topology-tunnel {
    --ui-font-scale: 1.25;
    --ui-padding-multiplier: 1.4;
    --ui-border-radius: 4px;
    --ui-contrast-boost: 1.6;
    --ui-glass-blur: 0px;
    --ui-bg-opacity: 0.98;
    --accent-glow: rgba(244, 63, 94, 0.5);
    background-color: #02040a !important;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    transition: font-size var(--ui-motion-speed) ease,
                padding var(--ui-motion-speed) ease,
                border-radius var(--ui-motion-speed) ease,
                background-color var(--ui-motion-speed) ease,
                border-color var(--ui-motion-speed) ease,
                opacity var(--ui-motion-speed) ease;
}

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 15% 10%, rgba(0, 240, 255, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 85% 90%, rgba(168, 85, 247, 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(11, 17, 32, 0.85);
    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-cyan);
    box-shadow: 0 0 12px rgba(0, 240, 255, 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-cyan);
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

.badge-tag {
    font-size: 0.65rem;
    font-family: var(--font-mono);
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(0, 240, 255, 0.15);
    color: var(--neon-cyan);
    border: 1px solid rgba(0, 240, 255, 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(16, 24, 40, 0.6);
    border: 1px solid var(--border-subtle);
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    min-width: 120px;
}

.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);
}

.telemetry-val.highlight {
    color: var(--neon-cyan);
    text-shadow: 0 0 8px rgba(0, 240, 255, 0.4);
}

/* ==========================================================================
   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(var(--ui-glass-blur));
    border: 1px solid var(--border-subtle);
    border-radius: var(--ui-border-radius);
    padding: calc(1.2rem * var(--ui-padding-multiplier));
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.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: 0.95rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text-main);
}

/* ==========================================================================
   Left Panel: Personas & Sliders
   ========================================================================== */
.control-group {
    margin-bottom: 1.4rem;
}

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

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

.persona-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(16, 24, 40, 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;
}

.persona-btn:hover {
    background: rgba(56, 189, 248, 0.1);
    border-color: var(--border-active);
}

.persona-btn.active {
    background: rgba(0, 240, 255, 0.12);
    border-color: var(--neon-cyan);
    box-shadow: 0 0 12px rgba(0, 240, 255, 0.2);
}

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

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

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

.persona-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-cyan);
    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-cyan);
    cursor: pointer;
    box-shadow: 0 0 8px var(--neon-cyan);
}

.panel-footer {
    display: flex;
    gap: 0.6rem;
    margin-top: auto;
}

.action-btn {
    flex: 1;
    padding: 0.75rem;
    border-radius: 8px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    letter-spacing: 0.5px;
    transition: all 0.2s ease;
}

.action-btn.primary {
    background: linear-gradient(135deg, #00f0ff 0%, #0077ff 100%);
    border: none;
    color: #020817;
    box-shadow: 0 0 16px rgba(0, 240, 255, 0.3);
}

.action-btn.primary:hover {
    box-shadow: 0 0 24px rgba(0, 240, 255, 0.6);
    transform: translateY(-1px);
}

.action-btn.secondary {
    background: transparent;
    border: 1px solid var(--border-subtle);
    color: var(--text-main);
}

.action-btn.secondary:hover {
    border-color: var(--neon-cyan);
    background: rgba(0, 240, 255, 0.08);
}

/* ==========================================================================
   Center Stage: Biomorphic Canvas & Fitts Sandbox
   ========================================================================== */
.center-stage {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.adaptive-viewport {
    flex: 1;
    min-height: 280px;
    display: flex;
    flex-direction: column;
}

.topology-indicator {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--neon-cyan);
    background: rgba(0, 240, 255, 0.12);
    border: 1px solid rgba(0, 240, 255, 0.3);
    padding: 3px 8px;
    border-radius: 4px;
}

.morphed-interface {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(1rem * var(--ui-padding-multiplier));
    flex: 1;
}

/* In tunnel focus mode, collapse into single primary vital column */
body.topology-tunnel .morphed-interface {
    grid-template-columns: 1fr;
}

body.topology-tunnel .secondary-card,
body.topology-tunnel .tertiary-card {
    display: none !important;
}

.ui-card {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-subtle);
    border-radius: var(--ui-border-radius);
    padding: calc(1rem * var(--ui-padding-multiplier));
    position: relative;
    font-size: calc(0.9rem * var(--ui-font-scale));
}

.card-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.62rem;
    padding: 2px 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-dim);
    margin-bottom: 0.5rem;
}

.primary-card {
    grid-column: span 2;
    border-color: rgba(0, 240, 255, 0.3);
    background: linear-gradient(135deg, rgba(16, 24, 40, 0.8) 0%, rgba(6, 182, 212, 0.06) 100%);
}

body.topology-tunnel .primary-card {
    grid-column: span 1;
    border-color: var(--neon-rose);
    box-shadow: 0 0 20px rgba(244, 63, 94, 0.25);
}

.primary-card h3 {
    font-family: var(--font-heading);
    font-size: calc(1.1rem * var(--ui-font-scale));
    margin-bottom: 0.8rem;
}

.metric-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.metric-stat {
    display: flex;
    flex-direction: column;
}

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

.stat-num {
    font-size: calc(1.2rem * var(--ui-font-scale));
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--neon-cyan);
}

.live-pulse-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.pulse-fill {
    height: 100%;
    background: linear-gradient(90deg, #00f0ff, #a855f7);
    transition: width 0.3s ease;
}

.sweller-bar {
    display: flex;
    height: 12px;
    border-radius: 6px;
    overflow: hidden;
    margin: 0.8rem 0;
    background: rgba(255, 255, 255, 0.05);
}

.sw-segment {
    height: 100%;
    transition: width 0.3s ease;
}

.sw-intrinsic { background: #38bdf8; }
.sw-extraneous { background: #f43f5e; }
.sw-germane { background: #10b981; }

.sweller-legend {
    display: flex;
    gap: 1rem;
    font-size: 0.7rem;
    color: var(--text-muted);
}

.dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 4px;
}

.dot-i { background: #38bdf8; }
.dot-e { background: #f43f5e; }
.dot-g { background: #10b981; }

.choice-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.6rem;
}

.cp-pill {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-subtle);
    border-radius: 4px;
    padding: 0.3rem 0.6rem;
    font-size: 0.75rem;
    color: var(--text-main);
    cursor: pointer;
}

.cp-pill:hover {
    border-color: var(--neon-cyan);
    background: rgba(0, 240, 255, 0.1);
}

/* ==========================================================================
   Fitts' Law Kinetic Sandbox
   ========================================================================== */
.fitts-sandbox {
    min-height: 260px;
}

.sandbox-instructions {
    margin-left: auto;
    font-size: 0.72rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.fitts-canvas-container {
    position: relative;
    width: 100%;
    height: 180px;
    background: rgba(6, 9, 19, 0.8);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    overflow: hidden;
    cursor: crosshair;
}

#fittsCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.fitts-target {
    position: absolute;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: radial-gradient(circle, #00f0ff 0%, rgba(0, 240, 255, 0.2) 70%);
    border: 2px solid #00f0ff;
    box-shadow: 0 0 16px rgba(0, 240, 255, 0.8);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: targetPulse 1.5s infinite alternate;
}

@keyframes targetPulse {
    0% { transform: translate(-50%, -50%) scale(0.95); opacity: 0.85; }
    100% { transform: translate(-50%, -50%) scale(1.05); opacity: 1; }
}

.target-crosshair {
    width: 8px;
    height: 8px;
    background: #fff;
    border-radius: 50%;
}

.fitts-overlay-info {
    position: absolute;
    bottom: 8px;
    left: 12px;
    font-size: 0.72rem;
    font-family: var(--font-mono);
    color: var(--text-dim);
    pointer-events: none;
}

.fitts-metrics-bar {
    display: flex;
    justify-content: space-between;
    margin-top: 0.8rem;
    padding-top: 0.6rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

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

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

/* ==========================================================================
   Right Panel: Force-Directed Graph & Mathematical Proofs
   ========================================================================== */
.telemetry-panel {
    overflow-y: auto;
    max-height: calc(100vh - 120px);
}

.node-canvas-wrap {
    width: 100%;
    height: 190px;
    background: rgba(6, 9, 19, 0.7);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    position: relative;
    margin-bottom: 1.2rem;
}

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

.graph-legend {
    position: absolute;
    bottom: 6px;
    left: 8px;
    display: flex;
    gap: 0.6rem;
    font-size: 0.65rem;
    color: var(--text-muted);
}

.dot-node-pri { background: #00f0ff; }
.dot-node-sec { background: #a855f7; }
.dot-node-ext { background: #f43f5e; }

.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(15, 23, 42, 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-cyan);
    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: #38bdf8;
    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(0, 240, 255, 0.15);
    border: none;
    color: var(--neon-cyan);
    font-size: 0.6rem;
    padding: 2px 6px;
    border-radius: 3px;
    cursor: pointer;
}

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

.export-box code {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: #a5f3fc;
    word-break: break-all;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.hud-footer {
    display: flex;
    justify-content: space-between;
    padding: 0.8rem 2rem;
    background: rgba(11, 17, 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;
    }
}