:root {
    --bg-color: #0B0F19;
    --panel-bg: rgba(22, 30, 46, 0.7);
    --panel-border: rgba(255, 255, 255, 0.08);
    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --accent-color: #3B82F6;
    --accent-blue: var(--accent-color);
    --accent-hover: #2563EB;

    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;

    --font-ui: 'Outfit', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --radius: 12px;
    --transition: all 0.2s ease-in-out;

    /* Base Action Button Color */
    --btn-action-bg: #60A5FA;
}

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

body {
    font-family: var(--font-ui);
    background-color: var(--bg-color);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    display: flex;
    flex-direction: column;
    /* Subtle background grid */
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 30px 30px;
}

/* Header */
.app-header {
    height: 60px;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--panel-border);
    background: var(--panel-bg);
    backdrop-filter: blur(10px);
    z-index: 100;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 15px;
}

.app-logo {
    height: 38px;
    width: auto;
    display: block;
}

.status-badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-badge.disconnected {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.status-badge.connected {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.header-controls {
    display: flex;
    gap: 10px;
}

/* Retro Theme (DXY-1200 Inspired) */
body.retro-theme {
    --bg-color: #FDFBF7;
    /* Cream plastic */
    --panel-bg: #EAE8E0;
    /* Warm gray panel */
    --panel-header: #DBD9D0;
    /* Slightly darker gray header */
    --panel-border: #BAB8AF;
    --text-primary: #1A1A1A;
    --text-secondary: #4A4A3A;
    --accent-color: #334155;
    /* Dark grey buttons */
    --accent-hover: #1e293b;
    --canvas-bg: #FFFFFF;
    --danger: #FF0000;
    /* Pure LED Red */
    --success: #10B981;
    --panel-shadow: 2px 2px 0px rgba(0, 0, 0, 0.1);
    --btn-action-bg: #475569;

    /* Reverse grid for light theme */
    background-image:
        linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
}

.retro-theme .panel-glass {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    box-shadow: var(--panel-shadow);
    backdrop-filter: none;
}

.retro-theme .hpgl-console {
    background: #000000 !important;
    border: 2px solid #333 !important;
}

.retro-theme .log-line {
    color: #FF0000 !important;
    font-family: 'JetBrains Mono', monospace;
    font-weight: bold;
    text-shadow: 0 0 5px rgba(255, 0, 0, 0.7);
    letter-spacing: 1px;
}

.retro-theme #hpgl-input {
    background: #111 !important;
    color: #FF0000 !important;
    border-color: #333 !important;
    font-family: 'JetBrains Mono', monospace;
}

.retro-theme #pattern-controls label span {
    color: #FF0000 !important;
    text-shadow: 0 0 3px rgba(255, 0, 0, 0.5);
    font-family: 'Courier New', Courier, monospace;
}

/* Retro theme divider */
.retro-theme .divider {
    border-top: 1px solid var(--panel-border);
}

.retro-theme .app-header {
    background: #DBD9D0;
    border-bottom: 2px solid #BAB8AF;
}

.retro-theme .btn-primary {
    background: #1e293b;
    /* Even darker grey for primary buttons */
    border-color: #0f172a;
    color: #FFFFFF !important;
}

.retro-theme select {
    color: #FFFFFF !important;
}

.retro-theme .btn-action {
    background: var(--btn-action-bg) !important;
    /* Steel grey */
    border-color: #334155 !important;
    color: #FFFFFF !important;
}

.retro-theme .btn-action:hover {
    background: #334155 !important;
}

.retro-theme .btn-secondary {
    background: #DBD9D0;
    border-color: #BAB8AF;
    color: var(--text-primary);
}

/* =========================================
   Light Theme Overrides
   ========================================= */
body.light-theme {
    --bg-color: #f8fafc;
    --panel-bg: rgba(255, 255, 255, 0.9);
    --panel-border: rgba(0, 0, 0, 0.1);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --accent-color: #2563eb;
    /* Vibrant blue for buttons */
    --accent-hover: #1d4ed8;
    --btn-action-bg: var(--accent-color);
}

body.light-theme .canvas-container canvas {
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

body.light-theme .pen-slot {
    border-color: #cbd5e1;
}

body.light-theme .pen-slot:hover {
    border-color: #94a3b8;
}

body.light-theme input,
body.light-theme select {
    background: #f1f5f9;
    border-color: #cbd5e1;
    color: #475569 !important;
}

body.light-theme input:focus,
body.light-theme select:focus {
    border-color: var(--accent-color);
}

body.light-theme #hpgl-console,
body.light-theme .log-command {
    color: #475569;
    /* Darker grey for light theme as requested */
}

/* Darker purple for console */

/* =========================================
   Custom Themes
   ========================================= */
body.blue-theme {
    --bg-color: #f0f9ff;
    --panel-bg: rgba(255, 255, 255, 0.7);
    --panel-border: rgba(255, 255, 255, 0.5);
    --text-primary: #1e3a8a;
    --text-secondary: #3b82f6;
    --accent-color: #2563eb;
    --accent-hover: #1d4ed8;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --btn-action-bg: #ffffff;
}

body.blue-theme .card,
body.blue-theme .panel,
body.blue-theme .glass-panel {
    background: var(--panel-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--panel-border);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.05);
    border-radius: 16px;
}

body.blue-theme input,
body.blue-theme select {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid #e0f2fe;
    color: #475569 !important;
    border-radius: 8px;
}

body.blue-theme .btn-action {
    background: #ffffff;
    color: #1e3a8a;
    border: 1px solid #e0f2fe;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
}

body.blue-theme .btn-active {
    background: var(--accent-color);
    color: white;
}

body.blue-theme .btn-action:hover {
    background: #f8fafc;
    border-color: #bae6fd;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.1);
}

body.blue-theme .traffic-light {
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

body.blue-theme .terminal-output {
    background: rgba(255, 255, 255, 0.5);
    color: #1e3a8a;
}

body.blue-theme .vis-palette {
    background: #e0f2fe;
    border-right: 1px solid rgba(37, 99, 235, 0.1);
}

body.blue-theme .context-menu {
    background: #ffffff;
    box-shadow: 0 10px 40px rgba(37, 99, 235, 0.1);
    border: 1px solid #e0f2fe;
}

body.blue-theme .menu-header {
    color: #1e3a8a;
    border-bottom: 1px solid #e0f2fe;
}

body.blue-theme .form-group-inline label {
    color: #3b82f6;
}

body.blue-theme .tool-btn:hover {
    background: rgba(37, 99, 235, 0.1);
}

body.blue-theme .btn-icon {
    color: #1e3a8a;
}

/* Red / Warm Theme */
body.red-theme {
    --bg-color: #450a0a;
    --panel-bg: rgba(127, 29, 29, 0.6);
    --panel-border: rgba(248, 113, 113, 0.2);
    --text-primary: #fef2f2;
    --text-secondary: #fecaca;
    --accent-color: #ef4444;
    --accent-hover: #f87171;
    --btn-action-bg: var(--accent-color);
}

/* Olive Theme (Cream / Brown / Olive) */
body.olive-theme {
    --bg-color: #FDFBF7;
    --panel-bg: #EAE8E0;
    --panel-header: #DBD9D0;
    --panel-border: #BAB8AF;
    --text-primary: #1A1A1A;
    --text-secondary: #4A4A3A;
    --accent-color: #6B8E23;
    /* OliveDrab */
    --accent-hover: #556B2F;
    /* DarkOliveGreen */
    --btn-action-bg: #808000;
    /* Olive */
    --success: #6B8E23;
    --warning: #BDB76B;
    --danger: #8B4513;
    --panel-shadow: 2px 2px 0px rgba(0, 0, 0, 0.1);
}

.olive-theme .panel-glass {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    box-shadow: var(--panel-shadow);
    backdrop-filter: none;
}

.olive-theme .app-header {
    background: #DBD9D0;
    border-bottom: 2px solid #BAB8AF;
}

.olive-theme .btn-action {
    background: var(--btn-action-bg) !important;
    color: #FFFFFF !important;
}

.olive-theme .btn-secondary {
    background: #DBD9D0;
    border-color: #BAB8AF;
    color: var(--text-primary);
}

.olive-theme select {
    background: #FFFFFF;
    color: #1A1A1A !important;
    border-color: var(--panel-border);
}

.olive-theme input {
    background: #FFFFFF;
    color: #1A1A1A !important;
    border-color: var(--panel-border);
}


/* =========================================
   Modal
   ========================================= */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 16px;
    overflow-y: auto;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.2s;
}

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

.modal-content {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 12px;
    width: 90%;
    max-width: 400px;
    max-height: calc(100vh - 32px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
}

.settings-modal-content {
    width: min(960px, calc(100vw - 32px));
    max-width: 960px;
    max-height: calc(100vh - 32px);
}

.welcome-modal-content {
    width: min(640px, calc(100vw - 32px));
    max-width: 640px;
}

.modal-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--panel-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 1.1rem;
    color: var(--accent);
}

.modal-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.settings-modal-body {
    overflow-y: auto;
}

.welcome-modal-body {
    gap: 1.25rem;
    overflow-y: auto;
}

.welcome-intro {
    margin: 0;
    color: var(--text-primary);
    line-height: 1.6;
}

.welcome-feature-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.welcome-feature {
    padding: 12px 14px;
    border: 1px solid var(--panel-border);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.04);
    line-height: 1.5;
}

.welcome-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 14px;
    border: 1px solid var(--panel-border);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-secondary);
}

.welcome-link-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.welcome-setup-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 14px;
    border: 1px solid var(--panel-border);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.04);
}

.welcome-setup-copy {
    display: flex;
    flex-direction: column;
    gap: 6px;
    color: var(--text-secondary);
}

.brand-credit {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

.brand-credit-logo {
    height: 28px;
    width: auto;
    display: block;
}

.welcome-toggle {
    align-self: flex-start;
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    align-items: start;
}

.settings-section {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 16px;
    border: 1px solid var(--panel-border);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
}

.settings-section-wide {
    grid-column: 1 / -1;
}

.settings-section h3 {
    margin: 0;
}

.settings-two-col {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.settings-field-full {
    grid-column: 1 / -1;
}

.hw-panel-body {
    gap: 12px !important;
    padding: 12px;
    overflow: hidden;
    height: 100%;
}

.hw-textarea {
    height: 78px !important;
    width: 100%;
    resize: vertical;
}

.hw-layout {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    gap: 12px !important;
    min-height: 0;
}

.hw-controls {
    flex: 0 0 auto;
    width: auto !important;
    min-width: 0 !important;
    gap: 10px;
    overflow: visible !important;
}

.hw-controls .form-group {
    margin-bottom: 6px;
}

.hw-controls .form-row {
    gap: 10px;
    align-items: flex-start;
}

.hw-slider-row {
    gap: 8px;
}

.hw-controls .form-row:has(> .form-group:only-child) {
    display: block;
}

.hw-slider-group {
    display: grid;
    grid-template-columns: minmax(78px, auto) 1fr;
    align-items: center;
    column-gap: 8px;
    row-gap: 0;
}

.hw-slider-group label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 0;
    white-space: nowrap;
}

.hw-slider-group label span:last-child {
    color: var(--accent-color);
    font-variant-numeric: tabular-nums;
}

.hw-slider-group input[type="range"] {
    margin: 0;
    align-self: center;
}

.hw-slider-group-full {
    width: 100%;
}

.hw-controls input[type="range"],
.hw-controls input[type="number"],
.hw-controls select {
    width: 100% !important;
}

.hw-button-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    margin-top: 0 !important;
    padding-top: 0 !important;
    margin-bottom: 4px;
}

.hw-button-grid .btn {
    width: 100%;
    min-width: 0;
}

.hw-preview {
    flex: 1 1 auto;
    min-height: 0;
}

.hw-preview-container {
    display: block !important;
    box-sizing: border-box;
    min-height: 100%;
    padding: 14px;
    background: #fff;
}

.hw-preview-placeholder {
    margin-top: 0 !important;
    padding-top: 8px;
    width: 100%;
    color: #999;
    text-align: center;
}

.hw-preview-container svg {
    display: block;
    margin: 0;
    max-width: 100%;
}

.settings-range-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.settings-range-row input[type="range"] {
    flex: 1;
}

.settings-range-value {
    width: 30px;
    font-weight: bold;
    color: var(--accent-color);
}

.settings-help {
    opacity: 0.7;
    font-size: 0.75rem;
    line-height: 1.4;
}

.settings-control-disabled {
    opacity: 0.55;
}

.settings-control-disabled label,
.settings-control-disabled .settings-help,
.settings-range-value.is-disabled {
    color: var(--text-secondary);
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--panel-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.settings-footer-credit {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.settings-version {
    font-size: 0.9rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.settings-footer-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    flex-wrap: wrap;
}

.machine-setup-modal-content {
    width: min(760px, calc(100vw - 32px));
    max-width: 760px;
}

.machine-setup-modal-body {
    gap: 14px;
}

.machine-setup-intro {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

.machine-setup-diagram {
    width: 100%;
    max-width: 680px;
    height: auto;
    align-self: center;
    border-radius: 10px;
    border: 1px solid var(--panel-border);
    background: rgba(255, 255, 255, 0.04);
    padding: 10px;
}

/* =========================================
   Inputs and Buttons
   ========================================= */
input,
select {
    background: #1e293b;
    border: 1px solid var(--panel-border);
    color: white;
    padding: 0.6rem;
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.9rem;
    transition: border-color 0.2s;
}

input[type="color"] {
    padding: 2px;
    height: 30px;
    cursor: pointer;
}

.btn {
    padding: 6px 14px;
    border-radius: 4px;
    border: none;
    font-family: var(--font-ui);
    font-weight: 500;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.btn-link {
    padding: 0;
    border: none;
    background: transparent;
    color: var(--accent-primary);
}

.btn-inline-help {
    font-size: 0.8rem;
    font-weight: 600;
    margin-left: auto;
    padding-left: 16px;
}

.form-label-with-action {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    width: 100%;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--accent-color);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: var(--accent-hover);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.btn-secondary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.15);
}

.btn-action {
    background: var(--btn-action-bg);
    border: none;
    color: #0f172a;
    font-weight: 600;
}

.btn-action:hover:not(:disabled) {
    background: #93C5FD;
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-success:hover:not(:disabled) {
    background: #059669;
}

.btn-warning {
    background: var(--warning);
    color: white;
}

.btn-warning:hover:not(:disabled) {
    background: #d97706;
}

.btn-stream-run {
    background: var(--success) !important;
    color: white !important;
}

.btn-stream-hold {
    background: var(--warning) !important;
    color: white !important;
}

.btn-stream-cancel {
    background: var(--danger) !important;
    color: white !important;
}

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
}

.btn-icon {
    background: transparent;
    border: none;
    font-size: 1.2rem;
    color: var(--text-secondary);
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    background: var(--panel-border);
    color: var(--text-primary);
}

.btn-sm {
    padding: 0.3rem 0.6rem;
    font-size: 0.8rem;
    height: auto;
}

.button-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.button-group .btn {
    width: 100%;
}

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

/* =========================================
   Transmission Stats & Indicators
   ========================================= */
.transmission-panel {
    padding: 15px;
    border-top: 1px solid var(--panel-border);
    background: rgba(0, 0, 0, 0.05);
}

.transmission-stats {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 10px;
}

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

.stat-item.compact {
    gap: 2px;
    padding: 6px 8px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.06);
    min-width: 44px;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.stat-value {
    font-family: 'JetBrains Mono', monospace;
    font-weight: bold;
    color: var(--text-primary);
}

.traffic-light {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid rgba(0, 0, 0, 0.2);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
    margin-left: auto;
}

.traffic-light.compact {
    width: 18px;
    height: 18px;
    border-width: 1px;
}

.traffic-light.red {
    background: #ef4444;
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.5);
}

.traffic-light.orange {
    background: #f59e0b;
    box-shadow: 0 0 10px rgba(245, 158, 11, 0.5);
}

.traffic-light.green {
    background: #22c55e;
    box-shadow: 0 0 10px rgba(34, 197, 94, 0.5);
}

/* Retro Theme Overrides for Stats */
.retro-theme .stat-value {
    color: #FF0000;
    text-shadow: 0 0 3px rgba(255, 0, 0, 0.5);
}

.retro-theme .traffic-light {
    border-color: #555;
}

.retro-theme .transmission-panel {
    background: #000 !important;
    border-top: 2px solid #333 !important;
}

.panel-toggle-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
}

.settings-panel-toggle-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.settings-inline-toggle {
    margin-bottom: 10px;
}

.panel-toggle-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border: 1px solid var(--panel-border);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.03);
}

.panel-toggle-item input {
    width: 16px;
    height: 16px;
    margin: 0;
}

.panel-toggle-item:has(input:disabled) {
    opacity: 0.75;
}

.machine-stream-panel {
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid var(--panel-border);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.machine-stream-stats {
    display: flex;
    align-items: center;
    gap: 12px;
}

.machine-stream-actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.machine-stream-actions .btn {
    min-width: 0;
    padding: 0.45rem 0.35rem;
    font-size: 0.78rem;
}

/* =========================================
   Context Menu
   ========================================= */
.context-menu {
    position: absolute;
    background: var(--panel-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--panel-border);
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    z-index: 10000;
    width: 220px;
    display: flex;
    flex-direction: column;
    transition: opacity 0.15s;
}

.context-menu.hidden {
    opacity: 0;
    pointer-events: none;
}

.input-like-readout {
    min-height: 38px;
    padding: 9px 12px;
    border-radius: 8px;
    border: 1px solid var(--panel-border);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
    display: flex;
    align-items: center;
}

.retro-theme .menu-header {
    color: #F1F5F9;
    /* Light text for dark menu */
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

.retro-theme .form-group-inline label {
    color: #CBD5E1;
    /* Light secondary text */
}

.menu-header {
    padding: 10px 15px;
    border-bottom: 1px solid var(--panel-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.menu-body {
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.context-menu .btn {
    transition: background-color 0.14s ease, border-color 0.14s ease, color 0.14s ease, box-shadow 0.14s ease, transform 0.08s ease;
}

.context-menu .btn:hover:not(:disabled) {
    background: color-mix(in srgb, var(--accent-color) 18%, var(--panel-bg));
    border-color: color-mix(in srgb, var(--accent-color) 45%, var(--panel-border));
    color: var(--text-primary);
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent-color) 28%, transparent);
}

.context-menu .btn:active:not(:disabled) {
    background: color-mix(in srgb, var(--accent-color) 30%, var(--panel-bg));
    border-color: color-mix(in srgb, var(--accent-color) 60%, var(--panel-border));
    color: var(--text-primary);
    transform: translateY(1px);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.22);
}

.context-menu .btn.btn-action:hover:not(:disabled) {
    background: color-mix(in srgb, var(--accent-color) 82%, white 18%);
    color: #0f172a;
}

.context-menu .btn.btn-action:active:not(:disabled) {
    background: color-mix(in srgb, var(--accent-color) 70%, black 12%);
    color: #0f172a;
}

.context-menu .btn.is-selected {
    background: color-mix(in srgb, var(--accent-color) 20%, var(--panel-bg));
    border-color: color-mix(in srgb, var(--accent-color) 55%, var(--panel-border));
    color: var(--text-primary);
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent-color) 30%, transparent);
}

.form-group-inline {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.form-group-inline label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
}

.form-group-inline input {
    width: 60px;
    padding: 0.3rem;
}

/* =========================================
   Responsive Adjustments
   ========================================= */
/* Main Layout */
.app-main {
    flex: 1;
    padding: 15px;
    overflow: auto;
}

.grid-stack {
    width: 100%;
    margin: 0;
}

/* Panels */
.grid-stack-item-content {
    position: relative;
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius);
    backdrop-filter: blur(12px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.panel-header {
    height: 42px;
    padding: 0 12px;
    border-bottom: 1px solid var(--panel-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 0, 0, 0.1);
    cursor: grab;
    flex-shrink: 0;
}

.panel-header:active {
    cursor: grabbing;
}

.panel-header h2 {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.panel-body {
    flex: 1;
    padding: 15px;
    overflow-y: auto;
}

.compact-tool-panel {
    gap: 10px;
    padding: 10px;
}

.compact-section {
    margin-bottom: 0;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(255, 255, 255, 0.035);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.compact-section-soft {
    background: rgba(255, 255, 255, 0.025);
}

.compact-divider {
    margin: 8px 0 12px !important;
    opacity: 0.55;
}

.compact-button-row {
    gap: 8px !important;
}

.compact-button-row .btn {
    min-height: 38px;
}

.compact-preview-shell {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    position: relative;
    overflow: auto;
    min-width: 0;
}

.pattern-panel-body {
    gap: 10px;
}

#pattern-controls {
    padding-top: 8px;
}

#pattern-contour-controls {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 12px;
    align-items: start;
}

#pattern-contour-controls .form-group {
    margin-bottom: 0;
    min-width: 0;
}

#pattern-contour-controls input[type="range"],
#pattern-contour-controls select {
    width: 100%;
}

.pattern-panel-body .button-group {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hw-text-section {
    padding-bottom: 8px;
}

.hw-seed-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 6px;
}

.hw-seed-row .btn {
    white-space: nowrap;
    padding: 0 10px;
}

.iv-panel-body {
    gap: 10px !important;
    padding: 10px !important;
    overflow: hidden;
    height: 100%;
}

.iv-controls-section {
    padding: 10px !important;
    gap: 10px !important;
    flex-shrink: 0;
}

.iv-controls-section > .flex-row:first-child {
    gap: 8px !important;
    align-items: end;
    flex-wrap: wrap;
}

.iv-controls-section .form-group[style*="margin-bottom: 0"] {
    margin-bottom: 0 !important;
}

.iv-action-row .btn {
    min-height: 38px;
}

.iv-slider-panel {
    gap: 6px;
    padding: 6px;
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.iv-compact-group {
    padding: 6px 8px 5px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.02);
}

.iv-preview-viewport {
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.v3d-panel-body {
    gap: 10px !important;
    padding: 10px !important;
    overflow: hidden;
    height: 100%;
}

.creative-tabs-panel-body {
    overflow: hidden;
    height: 100%;
    padding: 10px !important;
}

.creative-tab-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding-bottom: 2px;
    flex-shrink: 0;
}

.creative-tab-btn {
    border: 1px solid var(--panel-border);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
    border-radius: 999px;
    padding: 8px 12px;
    font: inherit;
    font-size: 0.82rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.creative-tab-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-main);
}

.creative-tab-btn.dragging {
    opacity: 0.55;
}

.creative-tab-btn.drag-target {
    background: color-mix(in srgb, var(--accent-color) 18%, transparent);
    border-color: var(--accent-color);
    color: var(--text-main);
}

.creative-tab-btn.active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #fff;
}

.creative-tab-content {
    flex: 1;
    min-height: 0;
    overflow: hidden;
    position: relative;
}

.creative-tab-pane {
    height: 100%;
    min-height: 0;
}

.creative-tab-pane.active {
    display: flex;
    flex-direction: column;
}

.creative-tab-pane > .panel-body {
    height: 100%;
    min-height: 0;
}

.v3d-layout {
    display: grid;
    grid-template-columns: minmax(300px, 360px) minmax(0, 1fr);
    gap: 12px;
    min-height: 0;
    height: 100%;
}

.v3d-controls {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    overflow: auto;
    padding-right: 2px;
}

.v3d-section {
    padding: 10px 12px !important;
}

.v3d-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.v3d-button-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.v3d-button-grid .btn {
    min-height: 38px;
}

.v3d-slider-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px 10px;
}

.v3d-slider-grid .form-group {
    margin-bottom: 0;
}

.v3d-subtitle {
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 8px;
}

.v3d-section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 8px;
}

.v3d-section-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-small {
    min-height: 28px;
    padding: 0 10px;
    font-size: 0.76rem;
}

.v3d-preview-shell {
    display: grid;
    grid-template-rows: minmax(0, 1fr) auto;
    overflow: hidden;
}

.v3d-preview {
    position: relative;
    min-height: 360px;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at top, rgba(56, 189, 248, 0.12), transparent 36%),
        linear-gradient(180deg, rgba(15, 23, 42, 0.75), rgba(2, 6, 23, 0.92));
}

.v3d-preview canvas {
    display: block;
    width: 100%;
    height: 100%;
}

.v3d-preview-hint {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 18px;
    font-size: 0.9rem;
    color: rgba(226, 232, 240, 0.85);
    pointer-events: none;
}

.v3d-footer {
    display: grid;
    gap: 10px;
    padding: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(2, 6, 23, 0.58);
}

.v3d-meta {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.v3d-meta div {
    display: grid;
    gap: 4px;
    padding: 8px 10px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.v3d-meta span {
    font-size: 0.74rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.v3d-meta strong {
    font-size: 0.9rem;
    color: var(--text-main);
    word-break: break-word;
}

.v3d-status {
    min-height: 20px;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

@media (max-width: 900px) {
    .v3d-layout {
        grid-template-columns: 1fr;
    }

    .v3d-preview {
        min-height: 280px;
    }

    .v3d-meta {
        grid-template-columns: 1fr;
    }

    .v3d-row,
    .v3d-slider-grid,
    .v3d-button-grid {
        grid-template-columns: 1fr;
    }

    .settings-grid,
    .settings-two-col,
    .settings-panel-toggle-list {
        grid-template-columns: 1fr;
    }

    .settings-modal-content {
        width: calc(100vw - 20px);
        max-height: calc(100vh - 20px);
    }
}

.flex-col {
    display: flex;
    flex-direction: column;
}

.flex-row {
    display: flex;
    flex-direction: row;
}

.gap-10 {
    gap: 10px;
}

.gap-15 {
    gap: 15px;
}

.fill-height {
    flex: 1;
}

/* Form Elements */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 2px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.form-row {
    display: flex;
    gap: 10px;
}

.flex-1 {
    flex: 1;
}

/* The original input, select block was here. It has been moved and updated. */

/* =========================================
   Console / Command Log
   ========================================= */
.hpgl-console {
    flex: 1;
    background: rgba(0, 0, 0, 0.2);
    padding: 10px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.log-line {
    color: var(--text-secondary);
    word-break: break-all;
}

.console-input-area {
    padding: 10px;
    border-top: 1px solid var(--panel-border);
    background: rgba(0, 0, 0, 0.1);
}

#hpgl-input {
    width: 100%;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--panel-border);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

#hpgl-input:focus {
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
}

/* Buttons */
/* The original btn, btn-primary, btn-secondary, btn-success, btn-warning, btn-danger blocks were here. They have been moved and updated. */

.divider {
    border: 0;
    height: 1px;
    background: var(--panel-border);
    margin: 20px 0;
}

h3 {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    text-transform: uppercase;
}

/* Terminal / Console */
.console-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 6px;
    border: 1px solid var(--panel-border);
    overflow: hidden;
    margin-bottom: 15px;
}

.terminal-output {
    flex: 1;
    padding: 10px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: #A78BFA;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-all;
}

.terminal-input {
    border: none;
    border-top: 1px solid var(--panel-border);
    border-radius: 0;
    background: transparent;
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.stream-stats {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
    background: rgba(0, 0, 0, 0.2);
    padding: 8px;
    border-radius: 6px;
}

.run-controls {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
}

/* Jog Controls */
.jog-container {
    display: grid;
    grid-template-columns: minmax(78px, auto) auto minmax(44px, auto);
    align-items: center;
    justify-content: center;
    justify-items: center;
    column-gap: 16px;
    padding: 10px 0;
}

.jog-pen-controls {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    min-width: 78px;
    justify-self: end;
}

.jog-pen-btn {
    min-height: 44px;
    padding: 8px 10px;
    font-size: 0.8rem;
    line-height: 1.1;
    white-space: normal;
}

.jog-grid {
    display: grid;
    grid-template-columns: repeat(3, 40px);
    grid-template-rows: repeat(3, 40px);
    gap: 8px;
    justify-self: center;
}

.jog-btn {
    width: 40px;
    height: 40px;
    padding: 0;
    font-size: 1.2rem;
    border-radius: 8px;
    background: var(--btn-action-bg);
    color: #0f172a;
    border: none;
    font-weight: 600;
    transition: var(--transition);
}

.jog-btn:hover {
    background: #93C5FD;
    transform: scale(1.05);
}

#btn-jog-home {
    background: #3B82F6;
    color: white;
}

.jog-steps {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    background: rgba(0, 0, 0, 0.2);
    padding: 10px 6px;
    border-radius: 20px;
    border: 1px solid var(--panel-border);
    justify-self: start;
}

.step-toggle {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.step-btn {
    width: 28px;
    height: 28px;
    padding: 0;
    font-size: 0.75rem;
    border-radius: 50%;
    background: transparent;
    border: 1px solid var(--panel-border);
}

.step-btn.active {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

@media (max-width: 640px) {
    .jog-container {
        grid-template-columns: 1fr;
        row-gap: 12px;
    }

    .jog-pen-controls {
        min-width: 68px;
        justify-self: center;
    }

    .jog-pen-btn {
        min-height: 40px;
        padding: 6px 8px;
        font-size: 0.75rem;
    }

    .jog-steps {
        justify-self: center;
    }
}

.step-btn:hover:not(.active) {
    background: rgba(255, 255, 255, 0.1);
}

.traffic-light {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--danger);
    box-shadow: 0 0 10px var(--danger);
}

.traffic-light.green {
    background-color: var(--success);
    box-shadow: 0 0 10px var(--success);
}

.traffic-light.orange {
    background-color: var(--warning);
    box-shadow: 0 0 10px var(--warning);
}

/* Visualizer */
.canvas-wrapper {
    display: flex;
    flex-direction: row;
    position: relative;
    padding: 0;
    flex: 1;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.5);
    /* Allow clicks to fall through the wrapper if it overlaps */
    pointer-events: auto;
    background: rgba(0, 0, 0, 0.2);
}

.vis-palette {
    width: 50px;
    background: var(--panel-bg);
    backdrop-filter: blur(10px);
    border-right: 1px solid var(--panel-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 10px 0;
    gap: 8px;
    overflow-y: auto;
    /* Re-enable clicks for palette buttons */
    pointer-events: auto;
    z-index: 50;
}

.vis-tool-stack {
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
}

.vis-bucket-btn {
    margin-top: 0;
    margin-bottom: 0;
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    padding: 0;
}

.vis-bucket-btn svg {
    width: 20px;
    height: 20px;
}

.vis-pen-stack {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
    width: 100%;
}

.vis-color-btn {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 1px solid rgba(229, 231, 235, 0.5);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.vis-color-btn:hover {
    transform: scale(1.1);
    border-color: rgba(243, 244, 246, 0.72);
}

.vis-color-btn.active {
    border-width: 3px;
    border-color: white;
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.6);
}

.fill-bucket-menu {
    width: 260px;
}

.text-tool-menu {
    width: 320px;
}

.text-tool-menu .menu-body {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.text-tool-menu .form-group-inline {
    align-items: center;
}

.text-tool-menu .form-group-inline label {
    min-width: 54px;
}

.text-tool-menu .form-group-inline input[type="range"],
.text-tool-menu .form-group-inline select {
    flex: 1;
}

.text-tool-menu .form-group-inline input.text-tool-value-input {
    flex: 0 0 78px;
    width: 78px;
    min-width: 78px;
    text-align: right;
}

.text-tool-actions {
    display: flex;
    gap: 8px;
}

.text-tool-actions .btn {
    flex: 1;
}

.text-tool-menu[data-mode="roland"] .text-tool-creative-row {
    display: none;
}

.fill-bucket-menu .menu-body {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.fill-bucket-menu .form-group-inline {
    align-items: center;
}

.fill-bucket-menu .form-group-inline label {
    min-width: 54px;
}

.fill-bucket-menu .form-group-inline input[type="range"],
.fill-bucket-menu .form-group-inline select {
    flex: 1;
}

.fill-bucket-help {
    font-size: 0.78rem;
    color: var(--text-secondary);
    line-height: 1.45;
    margin-top: 4px;
}

.boolean-tool-menu {
    width: 220px;
}

.boolean-tool-menu-body {
    display: grid;
    gap: 8px;
}

.boolean-tool-menu-body .btn {
    width: 100%;
    justify-content: flex-start;
}

.bezier-tool-menu {
    width: 250px;
}

.bezier-tool-menu-body {
    display: grid;
    gap: 8px;
}

.bezier-tool-menu-body .btn {
    width: 100%;
    justify-content: flex-start;
}

.boolean-offset-controls {
    display: grid;
    gap: 6px;
    padding: 8px 10px;
    border: 1px solid var(--panel-border);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
}

.boolean-offset-controls label {
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.boolean-offset-inputs {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 72px;
    gap: 8px;
    align-items: center;
}

.boolean-offset-inputs input[type="number"] {
    width: 100%;
}

.canvas-container {
    flex: 1;
    padding: 0;
    display: flex;
    justify-content: flex-start;
    align-items: flex-end;
    overflow: hidden;
    position: relative;
    clip-path: inset(0);
    /* Re-enable clicks for the canvas */
    pointer-events: auto;
    z-index: 10;
    background: var(--btn-action-bg);
    transition: background 0.4s ease;
}

#btn-toggle-visualizer-view.machine-view-active {
    background: #f97316;
    border-color: #fb923c;
    color: #fff7ed;
    box-shadow: 0 0 0 1px rgba(251, 146, 60, 0.25), 0 8px 18px rgba(249, 115, 22, 0.28);
}

#btn-toggle-visualizer-view.machine-view-active:hover {
    background: #ea580c;
    border-color: #fdba74;
    color: #fff7ed;
}

#panel-visualiser .grid-stack-item-content.machine-view-active {
    border-color: rgba(249, 115, 22, 0.6);
    box-shadow: 0 0 0 1px rgba(249, 115, 22, 0.18), 0 8px 24px rgba(249, 115, 22, 0.16);
}

#panel-visualiser .canvas-container.machine-view-active {
    background: rgba(249, 115, 22, 0.08);
    box-shadow: inset 0 0 0 3px rgba(249, 115, 22, 0.9), inset 0 0 0 7px rgba(255, 237, 213, 0.55);
}

#panel-visualiser .canvas-container.machine-view-active canvas {
    background-color: #f8fafc;
    background-image:
        linear-gradient(rgba(15, 23, 42, 0.14) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 23, 42, 0.14) 1px, transparent 1px),
        radial-gradient(circle at center, rgba(249, 115, 22, 0.08), rgba(15, 23, 42, 0.02) 72%);
    background-size: 20px 20px, 20px 20px, 100% 100%;
    box-shadow: 0 0 24px rgba(15, 23, 42, 0.42);
}

.canvas-container canvas {
    background: transparent;
    max-width: none;
    max-height: none;
    /* Force canvas to receive events */
    pointer-events: auto !important;
}

.canvas-container canvas.rotating {
    cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="%232563eb" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 12a9 9 0 1 1-9-9c2.52 0 4.93 1 6.74 2.74L21 8"></path><polyline points="21 3 21 8 16 8"></polyline></svg>') 12 12, auto !important;
}

.canvas-container.panning canvas {
    cursor: grabbing !important;
}

canvas {
    background-color: #ffffff;
    background-image:
        linear-gradient(rgba(0, 0, 0, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.05) 1px, transparent 1px);
    background-size: 20px 20px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
}

.header-tools {
    display: flex;
    gap: 5px;
    align-items: center;
    flex-wrap: nowrap;
    min-width: 0;
    overflow: visible;
}

.tool-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 4px;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: visible;
}

.tool-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.tool-btn.active {
    background: rgba(59, 130, 246, 0.2);
    color: var(--accent-color);
}

.tool-btn.menu-open,
.tool-btn.active.menu-open {
    background: color-mix(in srgb, var(--accent-color) 18%, transparent);
    color: var(--accent-color);
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent-color) 42%, transparent);
}

.tool-btn.menu-open:hover,
.tool-btn.active.menu-open:hover {
    background: color-mix(in srgb, var(--accent-color) 24%, transparent);
    color: var(--accent-color);
}

.tool-hover-label {
    position: fixed;
    top: 0;
    left: 0;
    transform: translate3d(0, 0, 0);
    background: color-mix(in srgb, var(--panel-bg) 82%, var(--accent-color) 18%);
    color: var(--text-primary);
    border: 1px solid color-mix(in srgb, var(--accent-color) 48%, var(--panel-border));
    border-radius: 7px;
    padding: 6px 9px;
    font-size: 0.72rem;
    font-weight: 600;
    line-height: 1.1;
    white-space: nowrap;
    pointer-events: none;
    z-index: 5000;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.12s ease;
}

.tool-hover-label.visible {
    opacity: 1;
    visibility: visible;
}

.vis-toolbar-overflow {
    position: relative;
    display: flex;
    align-items: center;
    margin-left: auto;
    flex: 0 0 auto;
}

.vis-toolbar-overflow-btn {
    flex: 0 0 auto;
}

.vis-toolbar-overflow-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    z-index: 1000;
    min-width: 240px;
    max-width: min(360px, 72vw);
    padding: 8px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 10px;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.28);
    backdrop-filter: blur(16px);
}

.vis-toolbar-overflow-menu > * {
    margin-right: 0 !important;
}

.vis-toolbar-overflow-menu .tool-btn {
    width: 100%;
    min-height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--panel-border);
    border-radius: 8px;
}

.vis-toolbar-overflow-menu .sim-group,
.vis-toolbar-overflow-menu .undo-redo-group,
.vis-toolbar-overflow-menu .group-ops-toolbar,
.vis-toolbar-overflow-menu .vis-size-toolbar {
    grid-column: 1 / -1;
    width: 100%;
}

.vis-toolbar-overflow-menu .undo-redo-group,
.vis-toolbar-overflow-menu .group-ops-toolbar {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.vis-toolbar-overflow-menu .sim-group {
    justify-content: stretch;
}

.vis-toolbar-overflow-menu .sim-group .btn {
    flex: 1 1 0;
}

.vis-toolbar-overflow-menu .vis-size-toolbar {
    justify-content: space-between;
    flex-wrap: wrap;
}

/* Pens Grid */
.pen-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.pen-slot {
    aspect-ratio: 1;
    border-radius: 50%;
    border: 2px solid var(--panel-border);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: bold;
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition);
    position: relative;
    /* For edit button */
}

.pen-edit-btn {
    position: absolute;
    bottom: -5px;
    right: -5px;
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 50%;
    width: 22px;
    height: 22px;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: var(--transition);
}

.pen-slot:hover .pen-edit-btn {
    opacity: 1;
}

.pen-edit-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.pen-color-picker-hidden {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.pen-slot:hover {
    transform: scale(1.1);
    border-color: rgba(255, 255, 255, 0.4);
}

.pen-slot.active {
    border-color: white;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

/* Image to Vector Panel */
.file-upload-zone {
    border: 2px dashed var(--panel-border);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.02);
}

.file-upload-zone:hover,
.file-upload-zone.dragover {
    border-color: var(--accent-color);
    background: rgba(59, 130, 246, 0.05);
}

.upload-placeholder {
    display: flex;
    flex-direction: column;
    gap: 5px;
    color: var(--text-secondary);
}

.upload-placeholder span {
    font-weight: 600;
    color: var(--text-primary);
}

.upload-placeholder small {
    font-size: 0.7rem;
    opacity: 0.6;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: var(--accent-color);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
    transition: transform 0.1s;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    background: var(--accent-hover);
}

.hidden {
    display: none !important;
}

/* Pattern Panel Adjustments */
#pattern-controls .form-group {
    margin-bottom: 12px;
}

#pattern-controls label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
}

#pattern-controls label span {
    font-weight: 600;
    color: var(--accent-color);
    font-family: var(--font-mono);
}

/* --- Image to Vector UI Refinements --- */
.iv-slider-panel {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    align-items: start;
    padding: 8px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 6px;
}

.iv-static-params,
.iv-dynamic-params {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
    gap: 6px 8px;
    align-items: end;
}

.iv-compact-group {
    margin-bottom: 0;
    min-width: 0;
    padding: 5px 6px 4px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.iv-compact-group select,
.iv-compact-group input[type="range"] {
    width: 100%;
}

.iv-action-row {
    align-items: center;
    flex-wrap: wrap;
}

.iv-source-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-dim);
}

.iv-source-toggle label:last-child {
    font-size: 0.75rem;
    margin: 0;
    cursor: pointer;
}

.iv-source-toggle-inline {
    margin-left: 2px;
    min-height: 38px;
    padding: 0 10px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.iv-preview-viewport {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
    background:
        radial-gradient(circle at top, rgba(59, 130, 246, 0.08), transparent 45%),
        linear-gradient(180deg, #ffffff 0%, #f3f6fb 100%);
}

.iv-preview-container {
    position: relative;
    flex: 1;
    min-height: 0;
    overflow: hidden;
    cursor: grab;
}

.iv-preview-canvas,
.iv-placeholder {
    position: absolute;
    inset: 0;
}

.iv-preview-canvas {
    width: 100%;
    height: 100%;
}

.iv-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #444;
    pointer-events: none;
    padding: 20px;
    text-align: center;
}

.iv-stats {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    justify-content: space-between;
    gap: 10px;
    padding: 4px 10px;
    font-size: 0.7rem;
    color: #888;
    background: rgba(0, 0, 0, 0.6);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    pointer-events: none;
}

.iv-controls-section .form-group label {
    font-size: 0.75rem;
    color: var(--text-dim);
    margin-bottom: 4px;
    display: block;
}

.iv-controls-section input[type="range"] {
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
}

.iv-controls-section .iv-compact-group label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 6px;
    line-height: 1.1;
}

.iv-controls-section .iv-compact-group label span {
    color: var(--accent-color);
    font-family: var(--font-mono);
    font-weight: 600;
}

@media (max-width: 900px) {
    .iv-static-params,
    .iv-dynamic-params {
        grid-template-columns: repeat(auto-fit, minmax(104px, 1fr));
    }

    .hw-button-grid,
    .pattern-panel-body .button-group {
        grid-template-columns: 1fr !important;
    }
}

/* Compact Toggle Switch */
.switch-small {
    position: relative;
    display: inline-block;
    width: 32px;
    height: 18px;
}

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

.slider-round {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #334155;
    transition: .3s;
    border-radius: 20px;
}

.slider-round:before {
    position: absolute;
    content: "";
    height: 14px;
    width: 14px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
}

.switch-small input:checked+.slider-round {
    background-color: #1e3a8a;
}

.switch-small input:focus+.slider-round {
    box-shadow: 0 0 1px #1e3a8a;
}

.switch-small input:checked+.slider-round:before {
    transform: translateX(14px);
}

#iv-upload-btn:hover {
    background: var(--bg-lighter);
    border-color: var(--accent-blue);
}

.iv-preview-viewport canvas {
    image-rendering: crisp-edges;
    image-rendering: pixelated;
}

.vis-size-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-right: 10px;
    padding: 2px 8px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.04);
}

.vis-size-field {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.72rem;
    color: var(--text-dim);
    margin: 0;
}

.vis-size-field input {
    width: 62px;
    height: 24px;
    padding: 2px 6px;
    font-size: 0.75rem;
    border-radius: 5px;
}

.vis-size-field input:disabled {
    opacity: 0.5;
}

.vis-size-uniform {
    display: flex;
    align-items: center;
    gap: 4px;
    margin: 0;
    font-size: 0.72rem;
    color: var(--text-dim);
    white-space: nowrap;
}

.vis-size-uniform input {
    width: auto;
    margin: 0;
}

.live-tracker-panel-body {
    gap: 12px !important;
    padding: 10px !important;
}

.live-tracker-top-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.live-tracker-status-card,
.live-tracker-settings-grid,
.live-tracker-toggle-grid,
.live-tracker-pen-settings {
    display: grid;
    gap: 10px;
}

.live-tracker-settings-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.live-tracker-toggle-grid {
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
}

.live-tracker-status-row,
.live-tracker-pen-header,
.live-tracker-pen-row-header,
.live-tracker-finger-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.live-tracker-speed-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
}

.live-tracker-validation {
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid rgba(239, 68, 68, 0.45);
    background: rgba(239, 68, 68, 0.12);
    color: #fecaca;
    font-size: 0.9rem;
}

.live-tracker-pen-row {
    border: 1px solid var(--panel-border);
    border-radius: 12px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.03);
    display: grid;
    gap: 10px;
}

.live-tracker-pen-row.invalid {
    border-color: rgba(239, 68, 68, 0.7);
    box-shadow: inset 0 0 0 1px rgba(239, 68, 68, 0.35);
}

.live-tracker-finger-list {
    display: grid;
    gap: 8px;
}

.live-tracker-finger-row select {
    flex: 1;
}

.live-tracker-pill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.live-tracker-pill {
    border-radius: 999px;
    padding: 4px 10px;
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.3);
    font-size: 0.8rem;
}

.live-tracker-pill.invalid {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.45);
}

.live-tracker-overlay-host {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 6;
}

.live-tracker-video-shell {
    position: absolute;
    left: 24px;
    top: 24px;
    width: min(44%, 360px);
    aspect-ratio: 4 / 3;
    overflow: visible;
    border-radius: 0;
    background: transparent;
    backdrop-filter: none;
    box-shadow: none;
    pointer-events: auto;
    user-select: none;
    cursor: move;
}

.live-tracker-video-shell.selected .live-tracker-video-stage {
    border-style: solid;
    border-color: #f8fafc;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.45);
}

.live-tracker-video-shell:not(.selected) .live-tracker-resize-handle {
    opacity: 0.72;
}

.live-tracker-video-header {
    position: absolute;
    left: 8px;
    right: 8px;
    top: 8px;
    z-index: 3;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 8px;
    font-size: 0.78rem;
    letter-spacing: 0.01em;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.24);
    backdrop-filter: blur(4px);
    pointer-events: none;
}

.live-tracker-video-stage {
    position: absolute;
    inset: 0;
    overflow: hidden;
    border-radius: 12px;
    border: 1px dashed rgba(59, 130, 246, 0.85);
    background: transparent;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.live-tracker-video-stage video,
.live-tracker-video-stage canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.live-tracker-video-stage video {
    object-fit: contain;
}

.live-tracker-resize-handle {
    position: absolute;
    width: 14px;
    height: 14px;
    border: 1px solid rgba(255, 255, 255, 0.95);
    border-radius: 999px;
    background: #2563eb;
    box-shadow: 0 0 0 2px rgba(15, 23, 42, 0.6);
    z-index: 4;
}

.live-tracker-resize-handle.handle-nw {
    left: -7px;
    top: -7px;
    cursor: nwse-resize;
}

.live-tracker-resize-handle.handle-n {
    left: calc(50% - 7px);
    top: -7px;
    cursor: ns-resize;
}

.live-tracker-resize-handle.handle-ne {
    right: -7px;
    top: -7px;
    cursor: nesw-resize;
}

.live-tracker-resize-handle.handle-e {
    right: -7px;
    top: calc(50% - 7px);
    cursor: ew-resize;
}

.live-tracker-resize-handle.handle-se {
    right: -7px;
    bottom: -7px;
    cursor: nwse-resize;
}

.live-tracker-resize-handle.handle-s {
    left: calc(50% - 7px);
    bottom: -7px;
    cursor: ns-resize;
}

.live-tracker-resize-handle.handle-sw {
    left: -7px;
    bottom: -7px;
    cursor: nesw-resize;
}

.live-tracker-resize-handle.handle-w {
    left: -7px;
    top: calc(50% - 7px);
    cursor: ew-resize;
}

@media (max-width: 900px) {
    .live-tracker-top-actions {
        grid-template-columns: 1fr;
    }

    .live-tracker-video-shell {
        width: min(62%, 320px);
    }
}