/* ========================================
   ULTRA Good Robo™ Demo — Premium Styles
   ======================================== */

:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.85);
    --bg-glass: rgba(17, 24, 39, 0.6);
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-glow: rgba(0, 229, 255, 0.2);

    --text-primary: #f0f4ff;
    --text-secondary: #8892b0;
    --text-muted: #4a5568;

    --ultra-cyan: #00e5ff;
    --ultra-blue: #2979ff;
    --ultra-purple: #7c4dff;
    --ultra-glow: rgba(0, 229, 255, 0.25);

    --std-orange: #ff6d00;
    --std-red: #ff1744;
    --std-glow: rgba(255, 109, 0, 0.25);

    --mode-nominal: #00e5ff;
    --mode-modify: #ffb300;
    --mode-clarify: #ff6d00;
    --mode-estop: #ff1744;

    --green-accent: #00e676;
    --red-accent: #ff1744;

    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
}

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

html {
    font-size: 14px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    background-image:
        radial-gradient(ellipse at 20% 0%, rgba(0, 229, 255, 0.04) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 100%, rgba(124, 77, 255, 0.04) 0%, transparent 60%);
}

/* ── Header ─────────────────────────────── */

#main-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 28px;
    border-bottom: 1px solid var(--border-subtle);
    background: rgba(10, 14, 26, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo-mark {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    display: flex;
    align-items: center;
    animation: logo-pulse 3s ease-in-out infinite;
}

@keyframes logo-pulse {
    0%, 100% { filter: drop-shadow(0 0 4px rgba(0,229,255,0.3)); }
    50% { filter: drop-shadow(0 0 12px rgba(0,229,255,0.6)); }
}

.logo-text h1 {
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #00e5ff, #7c4dff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text .tm {
    font-size: 0.65rem;
    vertical-align: super;
}

.logo-text .subtitle {
    font-size: 0.72rem;
    color: var(--text-secondary);
    font-weight: 400;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 14px;
}

.ctrl-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    background: var(--bg-glass);
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    backdrop-filter: blur(10px);
}

.ctrl-btn:hover {
    border-color: rgba(255,255,255,0.15);
    background: rgba(255,255,255,0.08);
    transform: translateY(-1px);
}

.ctrl-btn.primary {
    background: linear-gradient(135deg, rgba(0,229,255,0.2), rgba(124,77,255,0.2));
    border-color: var(--border-glow);
    box-shadow: 0 0 20px rgba(0,229,255,0.1);
}

.ctrl-btn.primary:hover {
    background: linear-gradient(135deg, rgba(0,229,255,0.35), rgba(124,77,255,0.35));
    box-shadow: 0 0 30px rgba(0,229,255,0.2);
}

.ctrl-btn.primary.running {
    background: linear-gradient(135deg, rgba(255,23,68,0.2), rgba(255,109,0,0.2));
    border-color: rgba(255,23,68,0.3);
}

.ctrl-btn.toggle-on {
    background: linear-gradient(135deg, rgba(0,230,118,0.18), rgba(0,229,255,0.16));
    border-color: rgba(0,230,118,0.35);
    color: #b8ffe0;
    box-shadow: 0 0 18px rgba(0,230,118,0.15);
}

.btn-icon {
    font-size: 0.75rem;
}

.speed-control, .scenario-control {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.speed-control label, .scenario-control label {
    font-size: 0.65rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
}

.speed-btns {
    display: flex;
    gap: 2px;
    background: rgba(0,0,0,0.3);
    border-radius: 6px;
    padding: 2px;
}

.speed-btn {
    padding: 4px 10px;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.speed-btn.active {
    background: rgba(0,229,255,0.2);
    color: var(--ultra-cyan);
    box-shadow: 0 0 8px rgba(0,229,255,0.15);
}

.speed-btn:hover:not(.active) {
    background: rgba(255,255,255,0.05);
    color: var(--text-primary);
}

.steering-control {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.steering-btns {
    display: flex;
    gap: 2px;
    background: rgba(0,0,0,0.3);
    border-radius: 6px;
    padding: 2px;
}

.steering-btn {
    padding: 5px 12px;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.steering-btn.active {
    background: rgba(0,229,255,0.25);
    color: var(--ultra-cyan);
    box-shadow: 0 0 12px rgba(0,229,255,0.2);
    font-weight: 700;
}

.steering-btn:hover:not(.active) {
    background: rgba(255,255,255,0.08);
    color: var(--text-primary);
}

.steering-btn[data-mode="f1"].active {
    background: rgba(255,213,79,0.25);
    color: #ffd54f;
    box-shadow: 0 0 12px rgba(255,213,79,0.2);
}

.steering-btn[data-mode="rally"].active {
    background: rgba(255,23,68,0.25);
    color: #ff1744;
    box-shadow: 0 0 12px rgba(255,23,68,0.2);
}

#scenario-select {
    padding: 5px 10px;
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    background: rgba(0,0,0,0.3);
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 0.8rem;
    cursor: pointer;
    outline: none;
}

#scenario-select:focus {
    border-color: var(--ultra-cyan);
}

#scenario-select option {
    background: var(--bg-secondary);
}

/* ── Canvas Area ────────────────────────── */

main {
    padding: 20px 28px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.mobile-demo-notice {
    display: none;
    border: 1px solid rgba(0, 229, 255, 0.22);
    border-radius: var(--radius-md);
    background: rgba(0, 229, 255, 0.08);
    color: #ccefff;
    padding: 10px 12px;
    font-size: 0.82rem;
    line-height: 1.45;
    font-weight: 600;
}

.viz-toolbar {
    align-self: center;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid var(--border-subtle);
    background: rgba(6, 12, 24, 0.82);
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.32);
    flex-wrap: wrap;
    justify-content: center;
}

.viz-label {
    font-family: var(--font-mono);
    font-size: 0.73rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--text-secondary);
    padding: 0 6px;
}

.viz-toggle {
    border: 1px solid rgba(255,255,255,0.14);
    background: rgba(17, 24, 39, 0.55);
    color: #96a2c4;
    padding: 6px 14px;
    border-radius: 999px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.25px;
    cursor: pointer;
    transition: all 0.18s ease;
}

.viz-toggle:hover {
    border-color: rgba(0,229,255,0.35);
    color: #d4ebff;
}

.viz-toggle.active {
    border-color: rgba(0,229,255,0.65);
    background: rgba(0,229,255,0.18);
    color: var(--ultra-cyan);
    box-shadow: inset 0 0 0 1px rgba(0,229,255,0.3), 0 0 14px rgba(0,229,255,0.2);
}

.canvas-container {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-subtle);
    background: #060a14;
    box-shadow:
        0 4px 30px rgba(0,0,0,0.4),
        inset 0 1px 0 rgba(255,255,255,0.03);
}

.lane-labels {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
    pointer-events: none;
}


.lane-label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.ultra-label {
    color: var(--ultra-cyan);
    background: linear-gradient(90deg, rgba(0,229,255,0.08), transparent 60%);
}

.standard-label {
    color: var(--std-orange);
    background: linear-gradient(90deg, rgba(255,109,0,0.08), transparent 60%);
    position: absolute;
    top: calc(50% + 2px);
    left: 0;
    right: 0;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}

.ultra-dot {
    background: var(--ultra-cyan);
    box-shadow: 0 0 8px var(--ultra-cyan);
}

.standard-dot {
    background: var(--std-orange);
    box-shadow: 0 0 8px var(--std-orange);
}

.mode-badge {
    padding: 2px 10px;
    border-radius: 4px;
    font-size: 0.68rem;
    font-weight: 700;
    font-family: var(--font-mono);
    letter-spacing: 0.5px;
    margin-left: auto;
    transition: all 0.2s ease;
}

.mode-badge.nominal { background: rgba(0,229,255,0.2); color: var(--mode-nominal); }
.mode-badge.modify { background: rgba(255,179,0,0.2); color: var(--mode-modify); }
.mode-badge.clarify { background: rgba(255,109,0,0.2); color: var(--mode-clarify); }
.mode-badge.estop { background: rgba(255,23,68,0.25); color: var(--mode-estop); animation: estop-flash 0.4s ease-in-out infinite alternate; }

@keyframes estop-flash {
    0% { opacity: 1; }
    100% { opacity: 0.6; }
}

.profile-badge {
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.62rem;
    font-weight: 600;
    font-family: var(--font-mono);
    letter-spacing: 0.5px;
    background: rgba(124,77,255,0.2);
    color: var(--ultra-purple);
    border: 1px solid rgba(124,77,255,0.25);
}

#sim-canvas {
    display: block;
    width: 100%;
    cursor: crosshair;
}

.canvas-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(6, 10, 20, 0.75);
    backdrop-filter: blur(4px);
    z-index: 20;
    transition: opacity 0.4s ease;
}

.canvas-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.overlay-content {
    text-align: center;
}

.overlay-icon {
    font-size: 3rem;
    color: var(--ultra-cyan);
    margin-bottom: 12px;
    filter: drop-shadow(0 0 20px rgba(0,229,255,0.5));
    animation: overlay-pulse 2s ease-in-out infinite;
}

@keyframes overlay-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.overlay-text {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.overlay-sub {
    font-size: 0.85rem;
    color: var(--text-secondary);
    max-width: 400px;
}

/* ── Dashboard ──────────────────────────── */

.dashboard {
    display: grid;
    grid-template-columns: 1fr 1.5fr 0.8fr;
    gap: 16px;
}

.dash-section {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 16px;
    backdrop-filter: blur(12px);
}

.section-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-secondary);
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-subtle);
}

/* Comparison Cards */
.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.metric-card {
    padding: 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
}

.ultra-card {
    background: linear-gradient(135deg, rgba(0,229,255,0.04), rgba(124,77,255,0.04));
    border-color: rgba(0,229,255,0.12);
}

.standard-card {
    background: linear-gradient(135deg, rgba(255,109,0,0.04), rgba(255,23,68,0.04));
    border-color: rgba(255,109,0,0.12);
}

.metric-header {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.metric-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 0;
    border-bottom: 1px solid rgba(255,255,255,0.03);
}

.metric-row:last-child {
    border-bottom: none;
}

.metric-label {
    font-size: 0.72rem;
    color: var(--text-secondary);
}

.metric-value {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Telemetry */
.telemetry-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.telem-card {
    padding: 10px;
    border-radius: var(--radius-sm);
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--border-subtle);
}

.telem-card.weights-card {
    grid-column: span 2;
}

.telem-title {
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.telem-gauge {
    height: 6px;
    border-radius: 3px;
    background: rgba(255,255,255,0.06);
    overflow: hidden;
    margin-bottom: 6px;
}

.gauge-bar {
    height: 100%;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--green-accent), var(--mode-modify), var(--mode-estop));
    transition: width 0.15s ease;
    width: 0%;
}

.gauge-bar.coherence-bar {
    background: linear-gradient(90deg, var(--mode-estop), var(--mode-modify), var(--ultra-cyan));
}

.gauge-bar.confidence-bar {
    background: linear-gradient(90deg, #ff6d00, #ffb300, #00e5ff, #00e676);
}

.telem-value {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 700;
    text-align: center;
}

.telem-subvalue {
    margin-top: 2px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-align: center;
    color: var(--text-secondary);
}

/* Adaptive Weights */
.weight-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}

.weight-row:last-child {
    margin-bottom: 0;
}

.weight-label {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-secondary);
    width: 70px;
    flex-shrink: 0;
}

.weight-bar-track {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: rgba(255,255,255,0.06);
    overflow: hidden;
}

.weight-bar {
    height: 100%;
    border-radius: 3px;
    transition: width 0.2s ease;
    width: 40%;
}

.goal-bar { background: linear-gradient(90deg, #00e676, #00c853); }
.clearance-bar { background: linear-gradient(90deg, #00b0ff, #2979ff); }
.smooth-bar { background: linear-gradient(90deg, #ea80fc, #7c4dff); }

.weight-val {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-primary);
    width: 36px;
    text-align: right;
    flex-shrink: 0;
}

/* Mode Cascade */
.mode-cascade {
    display: flex;
    align-items: center;
    gap: 4px;
    justify-content: center;
    flex-wrap: wrap;
}

.cascade-step {
    padding: 4px 8px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    background: rgba(255,255,255,0.04);
    color: var(--text-muted);
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

.cascade-step.active {
    border-color: currentColor;
    box-shadow: 0 0 10px currentColor;
}

#cascade-execute.active { color: var(--mode-nominal); background: rgba(0,229,255,0.12); }
#cascade-modify.active { color: var(--mode-modify); background: rgba(255,179,0,0.12); }
#cascade-clarify.active { color: var(--mode-clarify); background: rgba(255,109,0,0.12); }
#cascade-estop.active { color: var(--mode-estop); background: rgba(255,23,68,0.15); }

.cascade-arrow {
    color: var(--text-muted);
    font-size: 0.7rem;
}

/* Event Log */
.log-container {
    height: 260px;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    line-height: 1.6;
    color: var(--text-secondary);
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.1) transparent;
}

.log-container::-webkit-scrollbar {
    width: 4px;
}

.log-container::-webkit-scrollbar-track {
    background: transparent;
}

.log-container::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 2px;
}

.log-entry {
    padding: 3px 0;
    border-bottom: 1px solid rgba(255,255,255,0.02);
    animation: log-fade-in 0.3s ease;
}

@keyframes log-fade-in {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

.log-time {
    color: var(--text-muted);
    margin-right: 6px;
}

.log-ultra { color: var(--ultra-cyan); }
.log-std { color: var(--std-orange); }
.log-warn { color: var(--mode-modify); }
.log-danger { color: var(--mode-estop); }
.log-good { color: var(--green-accent); }

/* ── Legend Bar ─────────────────────────── */

.legend-bar {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 10px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    backdrop-filter: blur(12px);
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.68rem;
    color: var(--text-secondary);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 3px;
    flex-shrink: 0;
}

/* ── Footer ─────────────────────────────── */

footer {
    text-align: center;
    padding: 20px 28px;
    border-top: 1px solid var(--border-subtle);
    margin-top: 10px;
}

footer p {
    font-size: 0.72rem;
    color: var(--text-muted);
}

.footer-note {
    margin-top: 4px;
    font-size: 0.65rem !important;
    font-style: italic;
}

/* ── Responsive ─────────────────────────── */

@media (max-width: 1100px) {
    .dashboard {
        grid-template-columns: 1fr 1fr;
    }
    .event-log {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 13px;
    }

    #main-header {
        position: relative;
        align-items: flex-start;
        gap: 10px;
        padding: 10px 10px 12px;
    }

    .logo-text h1 {
        font-size: 1.1rem;
    }

    .logo-text .subtitle {
        font-size: 0.62rem;
        letter-spacing: 1px;
    }

    .header-controls {
        width: 100%;
        overflow-x: auto;
        flex-wrap: nowrap;
        justify-content: flex-start;
        gap: 8px;
        padding-bottom: 2px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .header-controls::-webkit-scrollbar {
        display: none;
    }

    .ctrl-btn,
    .speed-control,
    .scenario-control,
    .steering-control {
        flex: 0 0 auto;
    }

    .ctrl-btn {
        padding: 8px 12px;
        min-height: 40px;
        white-space: nowrap;
    }

    .speed-btn,
    .steering-btn {
        min-height: 32px;
    }

    #scenario-select {
        min-height: 32px;
        max-width: 160px;
    }

    main {
        padding: 8px;
        gap: 12px;
    }

    .mobile-demo-notice {
        display: block;
    }

    .canvas-container {
        border-radius: 12px;
    }

    .lane-label {
        min-height: 34px;
        padding: 6px 8px;
        gap: 6px;
        font-size: 0.62rem;
        line-height: 1.15;
    }

    .mode-badge,
    .profile-badge {
        padding: 2px 6px;
        font-size: 0.54rem;
        margin-left: 2px;
    }

    .standard-label {
        top: calc(50% + 1px);
    }

    .canvas-overlay {
        padding: 18px;
    }

    .overlay-icon {
        font-size: 2.2rem;
    }

    .overlay-text {
        font-size: 1rem;
    }

    .overlay-sub {
        font-size: 0.74rem;
    }

    .dashboard {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .dash-section {
        padding: 12px;
        border-radius: 12px;
    }

    .event-log {
        grid-column: auto;
    }

    .comparison-grid,
    .telemetry-grid {
        grid-template-columns: 1fr;
    }

    .telem-card.weights-card {
        grid-column: auto;
    }

    .log-container {
        height: 160px;
    }

    .legend-bar {
        gap: 10px;
        padding: 10px;
    }

    .legend-item {
        font-size: 0.6rem;
    }

    .viz-toolbar {
        width: 100%;
        border-radius: 14px;
        padding: 8px;
        gap: 6px;
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .viz-toolbar::-webkit-scrollbar {
        display: none;
    }

    .viz-label,
    .viz-toggle {
        flex: 0 0 auto;
    }

    .viz-toggle {
        padding: 6px 10px;
        font-size: 0.66rem;
    }
}

@media (max-width: 430px) {
    #boot-status {
        display: none;
    }

    .metric-row {
        padding: 6px 0;
    }

    .telem-value {
        font-size: 1rem;
    }
}