:root {
    --bg-black: #050608;
    --sidebar-bg: #090b10;
    --hud-border: #1a2233;
    --hud-border-bright: #2d3b55;
    
    /* Tactical Palette */
    --neon-orange: #ff7700;
    --neon-yellow: #e6ff00;
    --neon-green: #00ff88;
    --neon-cyan: #00d9ff;
    --neon-purple: #b05cff;
    --neon-red: #ff3344;
    --text-dim: #6b7a99;
    --text-bright: #e6edf8;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Share Tech Mono', 'JetBrains Mono', monospace;
    user-select: none;
}

body, html {
    background-color: var(--bg-black);
    color: var(--text-bright);
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

.hud-screen {
    display: grid;
    grid-template-columns: 280px 1fr;
    width: 100vw;
    height: 100vh;
    border: 2px solid var(--hud-border);
}

/* Sidebar Styles */
.hud-sidebar {
    background: var(--sidebar-bg);
    border-right: 1px solid var(--hud-border);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    scrollbar-width: none;
}

.hud-sidebar::-webkit-scrollbar {
    display: none;
}

.hud-box {
    border-bottom: 1px solid var(--hud-border);
    padding: 10px 12px;
}

.box-label {
    font-size: 0.65rem;
    color: var(--text-dim);
    letter-spacing: 0.12em;
    margin-bottom: 6px;
    font-weight: 700;
}

/* Header */
.hud-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #0d111a;
    padding: 8px 12px;
}

.hud-title {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    color: var(--text-bright);
}

.hud-clock {
    font-size: 0.75rem;
    color: var(--neon-purple);
    font-weight: 700;
}

/* Controls */
.hud-icon-row {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.hud-icon-btn {
    background: #141b29;
    border: 1px solid var(--hud-border);
    color: var(--text-bright);
    padding: 6px 10px;
    border-radius: 2px;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 700;
    transition: all 0.15s;
}

.primary-icon-btn {
    border-color: var(--neon-orange);
    color: var(--neon-orange);
}

.hud-icon-btn:hover {
    border-color: var(--neon-orange);
    background: #1e293d;
}

.slider-row {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.65rem;
    color: var(--text-dim);
    margin-bottom: 6px;
}

.slider-row input[type="range"] {
    flex: 1;
    accent-color: var(--neon-purple);
    height: 4px;
}

.slider-row span {
    color: var(--neon-yellow);
    width: 28px;
    text-align: right;
}

.filter-row input {
    width: 100%;
    background: #0d111a;
    border: 1px solid var(--hud-border);
    color: var(--text-bright);
    padding: 4px 6px;
    font-size: 0.65rem;
    outline: none;
}

/* Objects Count */
.objects-big-count {
    font-size: 2.2rem;
    color: var(--neon-orange);
    line-height: 1;
    margin-bottom: 8px;
    font-weight: 700;
}

.object-bars {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.bar-line {
    display: grid;
    grid-template-columns: 50px 1fr 20px;
    align-items: center;
    gap: 6px;
    font-size: 0.65rem;
}

.bar-name {
    color: var(--text-dim);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.bar-track {
    background: #141b29;
    height: 4px;
    position: relative;
}

.bar-fill {
    height: 100%;
    transition: width 0.2s ease;
}

.bar-fill.orange { background: var(--neon-orange); }
.bar-fill.green { background: var(--neon-green); }
.bar-fill.red { background: var(--neon-red); }

.bar-val {
    color: var(--text-bright);
    text-align: right;
}

/* Heat Map Grid */
.grid-container {
    display: grid;
    grid-template-columns: repeat(16, 1fr);
    grid-template-rows: repeat(8, 10px);
    gap: 1.5px;
    background: #0b0e14;
    padding: 4px;
    border: 1px solid var(--hud-border);
}

.grid-cell {
    background: #111722;
    transition: background 0.3s ease;
}

.grid-cell.hot-target { background: var(--neon-yellow); box-shadow: 0 0 6px var(--neon-yellow); }

/* Telemetry */
.telemetry-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    margin-bottom: 4px;
}

.tel-label {
    color: var(--text-dim);
}

.status-ready { color: var(--neon-green); }
.status-poll { color: var(--neon-orange); }
.tel-num { color: var(--neon-yellow); font-weight: 700; }

/* Log Stream */
.log-stream {
    max-height: 140px;
    overflow-y: auto;
    font-size: 0.62rem;
    display: flex;
    flex-direction: column;
    gap: 3px;
    scrollbar-width: none;
}

.log-stream::-webkit-scrollbar {
    display: none;
}

.log-item {
    color: var(--text-dim);
}

.log-time {
    color: #4b5875;
}

.log-tag.tag-person { color: var(--neon-orange); }
.log-tag.tag-chair { color: var(--neon-green); }
.log-tag.tag-cup { color: var(--neon-cyan); }
.log-tag.tag-ready { color: var(--neon-purple); }

/* Main Viewport */
.hud-viewport {
    display: flex;
    flex-direction: column;
    background: #000;
    position: relative;
    overflow: hidden;
}

.canvas-wrapper {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #000;
}

#mainCanvas {
    max-width: 100%;
    max-height: 100%;
    display: block;
    cursor: crosshair;
}

/* Subtitle Banner for SmolVLM */
.vlm-subtitle-banner {
    position: absolute;
    bottom: 24px;
    left: 40px;
    right: 40px;
    background: rgba(10, 14, 22, 0.88);
    border: 1px solid rgba(255, 119, 0, 0.4);
    padding: 12px 18px;
    backdrop-filter: blur(4px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.8);
    transition: opacity 0.3s ease;
}

.vlm-subtitle-banner.hidden {
    display: none;
}

.vlm-subtitle-banner p {
    font-size: 1.15rem;
    line-height: 1.5;
    color: #ffffff;
    font-family: 'Share Tech Mono', monospace;
    letter-spacing: 0.03em;
}

/* Selection Box */
.selection-box {
    position: absolute;
    border: 2px dashed var(--neon-yellow);
    background: rgba(230, 255, 0, 0.15);
    pointer-events: none;
}

.selection-box.hidden {
    display: none;
}

/* Prompt Bar */
.prompt-bar {
    background: #090b10;
    border-top: 1px solid var(--hud-border);
    display: flex;
    align-items: center;
    padding: 8px 16px;
    gap: 10px;
}

.prompt-prefix {
    color: var(--neon-orange);
    font-size: 0.75rem;
    font-weight: 700;
}

.prompt-bar input {
    flex: 1;
    background: #040507;
    border: 1px solid var(--hud-border);
    color: var(--text-bright);
    padding: 6px 12px;
    font-size: 0.8rem;
    outline: none;
}

.prompt-btn {
    background: #141b29;
    border: 1px solid var(--neon-orange);
    color: var(--neon-orange);
    padding: 6px 16px;
    font-size: 0.75rem;
    cursor: pointer;
    font-weight: 700;
    transition: all 0.2s;
}

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

.download-btn {
    background: #00ff88;
    color: #000;
    padding: 6px 14px;
    font-size: 0.75rem;
    font-weight: 700;
    text-decoration: none;
    border-radius: 2px;
    display: inline-block;
}

.hidden {
    display: none !important;
}

/* Modal Overlay for Rendering */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.modal-box {
    background: #0d121c;
    border: 1px solid var(--neon-orange);
    width: 520px;
    max-width: 90vw;
    border-radius: 4px;
    box-shadow: 0 0 30px rgba(255, 119, 0, 0.2);
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 18px;
    border-bottom: 1px solid var(--hud-border);
}

.modal-header h3 {
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    color: var(--neon-orange);
}

.modal-close-btn {
    background: transparent;
    border: none;
    color: var(--text-dim);
    font-size: 1.4rem;
    cursor: pointer;
}

.modal-body {
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.drop-zone {
    border: 2px dashed var(--hud-border-bright);
    padding: 24px 16px;
    text-align: center;
    background: #080b12;
    cursor: pointer;
    transition: all 0.2s;
}

.drop-zone:hover, .drop-zone.dragover {
    border-color: var(--neon-orange);
    background: #111724;
}

.drop-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 8px;
}

.browse-link {
    color: var(--neon-cyan);
    text-decoration: underline;
}

.selected-file-label {
    display: block;
    margin-top: 8px;
    font-size: 0.75rem;
    color: var(--neon-green);
}

.modal-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-dim);
}

.hud-select {
    background: #080b12;
    border: 1px solid var(--hud-border);
    color: var(--text-bright);
    padding: 6px 10px;
    font-size: 0.8rem;
    outline: none;
}

/* Progress Zone */
.progress-zone {
    background: #080b12;
    border: 1px solid var(--hud-border);
    padding: 12px;
    border-radius: 2px;
}

.progress-meta, .progress-submeta {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-dim);
    margin-bottom: 6px;
}

.progress-submeta {
    margin-top: 6px;
    margin-bottom: 0;
    color: var(--neon-yellow);
}

.hud-progress-track {
    background: #161f30;
    height: 10px;
    border-radius: 2px;
    overflow: hidden;
}

.hud-progress-fill {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--neon-orange), var(--neon-yellow));
    transition: width 0.3s ease;
}

.modal-footer {
    padding: 12px 18px;
    border-top: 1px solid var(--hud-border);
    display: flex;
    justify-content: flex-end;
}