/* ============================================
   FONTSTENCILMAKER - CYBERPUNK STYLES
   ============================================ */

:root {
    --terminal-green: #00ff41;
    --terminal-green-dim: #00cc33;
    --neon-cyan: #00ffff;
    --neon-pink: #ff0080;
    --terminal-bg: #0a0a0a;
    --surface-bg: #1a1a1a;
    --surface-bg-light: #252525;
    --border-color: #333;
    --text-secondary: #888;
    --text-muted: #666;
    --text-white: #f0f0f0;
    --border-glow: rgba(0, 255, 65, 0.3);
    --border-glow-cyan: rgba(0, 255, 255, 0.3);
    --font-mono: 'Fira Code', 'SF Mono', Monaco, 'Cascadia Code', monospace;
    --glow-green: 0 0 10px rgba(0, 255, 65, 0.5), 0 0 20px rgba(0, 255, 65, 0.3);
    --glow-cyan: 0 0 10px rgba(0, 255, 255, 0.5), 0 0 20px rgba(0, 255, 255, 0.3);
    --glow-pink: 0 0 10px rgba(255, 0, 128, 0.5), 0 0 20px rgba(255, 0, 128, 0.3);
    --transition: 0.2s ease;
}

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

html, body {
    font-family: var(--font-mono);
    background: var(--terminal-bg);
    color: var(--terminal-green);
    min-height: 100vh;
    line-height: 1.5;
}

body {
    overflow-x: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
}

/* scanlines */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 255, 65, 0.03) 0px,
        rgba(0, 255, 65, 0.03) 1px,
        transparent 1px,
        transparent 2px
    );
    pointer-events: none;
    z-index: 9999;
}

/* ===== Header ===== */
.top-header {
    background: var(--surface-bg);
    border-bottom: 1px solid var(--border-glow);
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.15);
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand .logo {
    color: var(--neon-cyan);
    font-size: 1.4rem;
    text-shadow: 0 0 10px var(--neon-cyan);
}

.brand h1 {
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.brand h1 .accent { color: var(--neon-pink); }

.top-header .back {
    color: var(--neon-cyan);
    text-decoration: none;
    font-size: 0.85rem;
    border: 1px solid var(--border-glow);
    padding: 0.4rem 0.9rem;
    border-radius: 4px;
    transition: all var(--transition);
}

.top-header .back:hover {
    box-shadow: var(--glow-cyan);
    background: rgba(0, 255, 255, 0.05);
}

/* ===== Workspace layout ===== */
.workspace {
    flex: 1;
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 1.5rem;
    padding: 1.5rem;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

@media (max-width: 900px) {
    .workspace {
        grid-template-columns: 1fr;
    }
}

/* ===== Cards ===== */
.card {
    background: var(--surface-bg);
    border: 1px solid var(--border-glow);
    border-radius: 8px;
    padding: 1.25rem;
    margin-bottom: 1rem;
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.08);
}

.card-title {
    font-size: 0.85rem;
    color: var(--neon-cyan);
    text-shadow: 0 0 8px var(--neon-cyan);
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
    text-transform: lowercase;
}

/* ===== Form fields ===== */
.field {
    margin-bottom: 1rem;
}

.field:last-child { margin-bottom: 0; }

.field label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
    letter-spacing: 0.03em;
}

.field label .value {
    color: var(--terminal-green);
    text-shadow: 0 0 6px var(--terminal-green);
    font-weight: 500;
}

.field input[type="text"] {
    width: 100%;
    background: var(--terminal-bg);
    border: 1px solid var(--border-color);
    color: var(--terminal-green);
    font-family: var(--font-mono);
    font-size: 0.95rem;
    padding: 0.6rem 0.8rem;
    border-radius: 4px;
    outline: none;
    transition: all var(--transition);
}

.field input[type="text"]:focus {
    border-color: var(--terminal-green);
    box-shadow: 0 0 0 1px var(--terminal-green), 0 0 10px rgba(0, 255, 65, 0.3);
}

.field input[type="text"]::placeholder {
    color: var(--text-muted);
}

.field textarea {
    width: 100%;
    background: var(--terminal-bg);
    border: 1px solid var(--border-color);
    color: var(--terminal-green);
    font-family: var(--font-mono);
    font-size: 0.95rem;
    padding: 0.6rem 0.8rem;
    border-radius: 4px;
    outline: none;
    resize: vertical;
    min-height: 3.2rem;
    max-height: 10rem;
    line-height: 1.4;
    transition: all var(--transition);
    display: block;
}

.field textarea:focus {
    border-color: var(--terminal-green);
    box-shadow: 0 0 0 1px var(--terminal-green), 0 0 10px rgba(0, 255, 65, 0.3);
}

.field textarea::placeholder {
    color: var(--text-muted);
}

.field .hint-inline {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: normal;
    text-shadow: none;
}

.preset-link {
    display: inline-block;
    margin-top: 0.4rem;
    color: var(--neon-cyan);
    text-decoration: none;
    font-size: 0.7rem;
    letter-spacing: 0.05em;
    text-shadow: 0 0 6px var(--neon-cyan);
    transition: all var(--transition);
    cursor: pointer;
}

.preset-link:hover {
    text-shadow: 0 0 10px var(--neon-cyan), 0 0 18px var(--neon-cyan);
    color: var(--text-white);
}

.field input[type="range"] {
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    cursor: pointer;
    height: 24px;
}

.field input[type="range"]::-webkit-slider-runnable-track {
    background: var(--terminal-bg);
    border: 1px solid var(--border-color);
    height: 4px;
    border-radius: 2px;
}

.field input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--terminal-green);
    border-radius: 50%;
    margin-top: -7px;
    box-shadow: 0 0 8px var(--terminal-green);
    transition: all var(--transition);
}

.field input[type="range"]::-webkit-slider-thumb:hover {
    box-shadow: var(--glow-green);
    transform: scale(1.15);
}

.field input[type="range"]::-moz-range-track {
    background: var(--terminal-bg);
    border: 1px solid var(--border-color);
    height: 4px;
    border-radius: 2px;
}

.field input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--terminal-green);
    border: none;
    border-radius: 50%;
    box-shadow: 0 0 8px var(--terminal-green);
}

.field input[type="range"]:disabled::-webkit-slider-thumb {
    background: var(--text-muted);
    box-shadow: none;
    cursor: not-allowed;
}

.field input:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ===== Dropzone ===== */
.dropzone {
    border: 2px dashed var(--border-glow);
    border-radius: 6px;
    padding: 1.5rem 1rem;
    text-align: center;
    transition: all var(--transition);
    background: rgba(0, 255, 65, 0.02);
}

.dropzone.dragging {
    border-color: var(--neon-cyan);
    background: rgba(0, 255, 255, 0.05);
    box-shadow: inset 0 0 20px rgba(0, 255, 255, 0.1);
}

.dropzone .icon {
    font-size: 2rem;
    color: var(--terminal-green);
    text-shadow: 0 0 12px var(--terminal-green);
    margin-bottom: 0.5rem;
}

.dropzone .hint {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 0.6rem;
}

.dropzone .hint .accent { color: var(--neon-pink); text-shadow: 0 0 6px var(--neon-pink); }

.dropzone .or {
    color: var(--text-muted);
    font-size: 0.75rem;
    margin: 0.5rem 0;
    letter-spacing: 0.1em;
}

/* ===== Buttons ===== */
.btn {
    width: 100%;
    background: transparent;
    border: 1px solid var(--border-glow);
    color: var(--terminal-green);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    padding: 0.6rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    letter-spacing: 0.03em;
    text-transform: lowercase;
}

.btn:hover:not(:disabled) {
    box-shadow: var(--glow-green);
    background: rgba(0, 255, 65, 0.05);
}

.btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    border-color: var(--text-muted);
}

.btn-cyan {
    border-color: var(--border-glow-cyan);
    color: var(--neon-cyan);
}

.btn-cyan:hover:not(:disabled) {
    box-shadow: var(--glow-cyan);
    background: rgba(0, 255, 255, 0.05);
}

.btn-pink {
    border-color: rgba(255, 0, 128, 0.4);
    color: var(--neon-pink);
}

.btn-pink:hover:not(:disabled) {
    box-shadow: var(--glow-pink);
    background: rgba(255, 0, 128, 0.05);
}

.btn + .btn {
    margin-top: 0.6rem;
}

/* ===== Plate size controls ===== */
.toggle-group {
    display: flex;
    gap: 0;
    border: 1px solid var(--border-glow);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.6rem;
}
.toggle-btn {
    flex: 1;
    background: transparent;
    border: 0;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    padding: 0.45rem 0.5rem;
    cursor: pointer;
    transition: all var(--transition);
    text-transform: lowercase;
    letter-spacing: 0.05em;
}
.toggle-btn + .toggle-btn {
    border-left: 1px solid var(--border-glow);
}
.toggle-btn:hover:not(.active) {
    color: var(--neon-cyan);
    background: rgba(0, 255, 255, 0.05);
}
.toggle-btn.active {
    color: var(--neon-cyan);
    background: rgba(0, 255, 255, 0.12);
    border-color: var(--border-glow-cyan);
    box-shadow: var(--glow-cyan);
}
.toggle-group .toggle-btn.active + .toggle-btn,
.toggle-btn.active + .toggle-btn {
    border-left-color: var(--border-glow-cyan);
}

.size-panel.hidden {
    display: none;
}

.preset-row {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.3rem;
    margin-bottom: 0.4rem;
}
.preset-btn {
    background: transparent;
    border: 1px solid var(--border-glow);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 0.4rem 0.3rem;
    border-radius: 3px;
    cursor: pointer;
    transition: all var(--transition);
    text-transform: lowercase;
}
.preset-btn:hover:not(.active) {
    color: var(--neon-cyan);
    border-color: var(--border-glow-cyan);
}
.preset-btn.active {
    color: var(--neon-cyan);
    background: rgba(0, 255, 255, 0.12);
    border-color: var(--border-glow-cyan);
    box-shadow: var(--glow-cyan);
}

.custom-dims {
    display: flex;
    align-items: end;
    gap: 0.4rem;
    margin-top: 0.4rem;
}
.dim-input {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    font-size: 0.7rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}
.dim-input span {
    text-transform: uppercase;
    letter-spacing: 0.1em;
}
.dim-input input {
    background: rgba(0, 255, 65, 0.04);
    border: 1px solid var(--border-glow);
    color: var(--terminal-green);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    padding: 0.4rem 0.4rem;
    border-radius: 3px;
    width: 100%;
    text-align: center;
}
.dim-input input:focus {
    outline: none;
    border-color: var(--neon-cyan);
    box-shadow: var(--glow-cyan);
}
.dim-x {
    color: var(--text-muted);
    font-family: var(--font-mono);
    padding-bottom: 0.45rem;
    font-size: 0.9rem;
}
.dim-unit {
    color: var(--text-muted);
    font-family: var(--font-mono);
    padding-bottom: 0.45rem;
    font-size: 0.8rem;
}

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    cursor: pointer;
    text-transform: lowercase;
    letter-spacing: 0.03em;
}
.checkbox-row input[type="checkbox"] {
    width: 14px;
    height: 14px;
    accent-color: var(--neon-cyan);
    cursor: pointer;
}
.checkbox-row:hover {
    color: var(--neon-cyan);
}
.checkbox-row.hidden {
    display: none;
}

.margin-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr 1fr;
    grid-template-rows: auto auto;
    gap: 0.3rem;
    align-items: stretch;
}
.margin-cell {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    font-size: 0.7rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}
.margin-cell span {
    text-transform: uppercase;
    letter-spacing: 0.1em;
}
.margin-cell input {
    background: rgba(0, 255, 65, 0.04);
    border: 1px solid var(--border-glow);
    color: var(--terminal-green);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    padding: 0.35rem 0.4rem;
    border-radius: 3px;
    width: 100%;
    text-align: center;
}
.margin-cell input:focus {
    outline: none;
    border-color: var(--terminal-green);
    box-shadow: var(--glow-green);
}
.margin-top    { grid-column: 2; grid-row: 1; }
.margin-left   { grid-column: 1; grid-row: 2; }
.margin-center { grid-column: 2; grid-row: 2; background: rgba(0, 255, 65, 0.04); border: 1px dashed var(--border-glow); border-radius: 3px; min-height: 2.4rem; }
.margin-right  { grid-column: 3; grid-row: 2; }
.margin-bottom { grid-column: 2; grid-row: 3; }


/* ===== Status & warnings ===== */
.status {
    font-size: 0.75rem;
    color: var(--text-secondary);
    padding: 0.5rem 0.75rem;
    border-left: 2px solid var(--border-glow);
    background: var(--surface-bg);
    border-radius: 0 4px 4px 0;
    word-break: break-all;
}

.status::before {
    content: '> ';
    color: var(--terminal-green);
}

.warning {
    display: none;
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--neon-pink);
    background: rgba(255, 0, 128, 0.08);
    border: 1px solid rgba(255, 0, 128, 0.3);
    border-radius: 4px;
    padding: 0.5rem 0.75rem;
    text-shadow: 0 0 6px var(--neon-pink);
}

.warning.active { display: block; }

/* ===== Preview area ===== */
.preview {
    background: var(--surface-bg);
    border: 1px solid var(--border-glow);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    min-height: 500px;
    box-shadow: 0 0 30px rgba(0, 255, 65, 0.1);
}

.preview-header {
    display: flex;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-glow);
    background: rgba(0, 0, 0, 0.3);
}

.badge {
    font-size: 0.7rem;
    padding: 0.25rem 0.6rem;
    border: 1px solid var(--border-glow);
    border-radius: 3px;
    color: var(--terminal-green);
    letter-spacing: 0.05em;
}

.badge-cyan {
    border-color: var(--border-glow-cyan);
    color: var(--neon-cyan);
    text-shadow: 0 0 6px var(--neon-cyan);
}

.canvas-container {
    flex: 1;
    position: relative;
    background: #050505;
    overflow: hidden;
}

.canvas-container canvas {
    display: block;
}

/* ===== Processing overlay ===== */
.processing-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(2px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.processing-overlay.active {
    display: flex;
}

.processing-inner {
    text-align: center;
    color: var(--neon-cyan);
    text-shadow: var(--glow-cyan);
    font-size: 0.9rem;
    letter-spacing: 0.1em;
}

.processing-inner i {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    display: block;
}

/* Determinate progress bar — width is set from JS. three-bvh-csg has no
   progress callbacks, so we animate from 0 → 95% on a smooth ease-out curve
   timed to last CSG duration, then snap to 100% when runCSG returns. */
.progress {
    width: 220px;
    height: 4px;
    margin: 1rem auto 0;
    background: rgba(0, 255, 255, 0.15);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--neon-cyan), #80ffff);
    box-shadow: 0 0 10px var(--neon-cyan);
    border-radius: 2px;
}

/* CSS animation (compositor-driven) so the bar keeps moving while JS is
   blocked by the synchronous runCSG() call. Duration is set from JS via the
   --csg-duration custom property, calibrated to the previous CSG run. */
.progress-bar.running {
    animation: progress-fill linear forwards;
    animation-duration: var(--csg-duration, 1500ms);
}

.progress-bar.done {
    width: 100%;
    animation: none;
}

@keyframes progress-fill {
    from { width: 0%; }
    to   { width: 95%; }
}

@keyframes progress-pulse {
    0%, 100% { opacity: 0.7; }
    50%      { opacity: 1; }
}

.processing-inner i.fa-spin {
    animation: fa-spin 2s linear infinite, progress-pulse 1.5s ease-in-out infinite;
}

/* ===== Footer ===== */
.note {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.7rem;
    padding: 1rem;
    border-top: 1px solid var(--border-color);
}