/* SpaceX-inspired Tactical Board UI */
/* Pure black canvas with spectral white text - aerospace stencil aesthetic */
/* Typography: Segoe UI (Inter/Helvetica Now Text substitute) + Impact (Bebas Neue/Futura ND substitute) */

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

body {
    font-family: 'Segoe UI', 'Helvetica Neue', 'Helvetica', 'Arial', sans-serif;
    background: transparent;
    color: #f0f0fa;
    overflow: hidden;
    height: 100vh;
}

:root {
    /* shadcn/ui style semantic tokens */
    --background: #000000;
    --foreground: #f0f0fa;
    --primary: #f0f0fa;
    --primary-foreground: #000000;
    --secondary: rgba(240, 240, 250, 0.08);
    --secondary-foreground: #f0f0fa;
    --destructive: #ef4444;
    --destructive-foreground: #f0f0fa;
    --accent: rgba(240, 240, 250, 0.08);
    --accent-foreground: #f0f0fa;
    --muted: rgba(240, 240, 250, 0.06);
    --muted-foreground: rgba(240, 240, 250, 0.5);
    --ring: rgba(240, 240, 250, 0.5);
    --radius: 0.5rem;
    --border: rgba(240, 240, 250, 0.2);
    --input: rgba(240, 240, 250, 0.15);

    /* shadcn/ui sidebar tokens */
    --sidebar-background: #0a0a0a;
    --sidebar-foreground: #f0f0fa;
    --sidebar-primary: #f0f0fa;
    --sidebar-primary-foreground: #000000;
    --sidebar-accent: rgba(240, 240, 250, 0.06);
    --sidebar-accent-foreground: #f0f0fa;
    --sidebar-border: rgba(240, 240, 250, 0.12);
    --sidebar-ring: rgba(240, 240, 250, 0.4);

    /* legacy aliases */
    --space-black: var(--background);
    --spectral-white: var(--foreground);
    --ghost-surface: rgba(240, 240, 250, 0.08);
    --ghost-border: rgba(240, 240, 250, 0.2);
    --dark-overlay: rgba(0, 0, 0, 0.6);
    --white-100: #f0f0fa;
}

.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
    background: rgba(0, 0, 0, 0.88);
    backdrop-filter: blur(1px);
    -webkit-backdrop-filter: blur(1px);
}

.toolbar {
    width: 220px;
    min-width: 180px;
    max-width: 480px;
    flex-shrink: 0;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    padding: 1rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    border-right: 1px solid var(--sidebar-border);
    scrollbar-width: none;
}

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

.toolbar-title {
    font-family: 'Impact', 'Segoe UI', 'Helvetica Neue', 'Helvetica', 'Arial', sans-serif;
    color: var(--sidebar-foreground);
    font-size: 1.125rem;
    font-weight: 400;
    text-align: center;
    padding: 0.5rem 0.75rem 0.75rem;
    border-bottom: 1px solid var(--sidebar-border);
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1.2;
}

.toolbar-title div {
    font-size: 0.6875rem;
    color: var(--muted-foreground);
    font-weight: 400;
    margin-top: 0.25rem;
    opacity: 0.8;
    text-transform: none;
    letter-spacing: 0.5px;
}

.tool-section {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    padding: 0.75rem 0;
}

/* FieldSeparator between groups */
.tool-section + .tool-section {
    border-top: 1px solid var(--sidebar-border);
}

.tool-section h4 {
    color: var(--muted-foreground);
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.75px;
    margin-bottom: 0.125rem;
    font-weight: 600;
    line-height: 1;
    padding: 0 0.125rem;
}

.tool-icon {
    width: 1.125rem;
    height: 1.125rem;
    flex-shrink: 0;
    display: inline-block;
    vertical-align: middle;
    pointer-events: none;
}

.tool-btn .tool-icon {
    width: 1rem;
    height: 1rem;
}

/* Active button: white bg → icon must become dark */
.tool-btn.active .tool-icon {
    filter: brightness(0);
}

/* Small icon buttons (layer controls, scene tab close) */
.layer-up .tool-icon,
.layer-down .tool-icon,
.layer-delete .tool-icon,
.scene-tab-del .tool-icon {
    width: 0.75rem;
    height: 0.75rem;
}

/* Hinge option icons */
.hinge-opt .tool-icon {
    width: 0.875rem;
    height: 0.875rem;
}

.hinge-opt.active .tool-icon {
    filter: brightness(0);
}

/* Delete button (red bg) — keep icon white */
.delete-btn .tool-icon,
.action-btn.apply-btn .tool-icon {
    /* SVGs are natively white, no filter needed */
}

/* Tooltip header icon */
.tooltip-header .tool-icon {
    width: 0.875rem;
    height: 0.875rem;
    margin-right: 0.25rem;
}

.tool-btn {
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.5rem;
    white-space: nowrap;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1;
    height: 2.25rem;
    padding: 0 1rem;
    cursor: pointer;
    transition: all 0.15s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--foreground);
    outline: none;
    /* shadcn press animation */
    transform: scale(1);
}
.tool-btn:active {
    transform: scale(0.97);
}
.tool-btn:focus-visible {
    box-shadow: 0 0 0 2px var(--background), 0 0 0 4px var(--ring);
}

.tool-btn:hover {
    background: var(--accent);
    color: var(--accent-foreground);
}

.tool-btn.active {
    background: var(--primary);
    color: var(--primary-foreground);
    border-color: var(--primary);
}
.tool-btn.active:hover {
    background: var(--primary);
    color: var(--primary-foreground);
}

.layer-section {
    padding: 0.75rem;
    border: 1px solid var(--sidebar-border);
    border-radius: var(--radius);
    background: var(--sidebar-accent);
}

.layer-controls {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.layer-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    white-space: nowrap;
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 500;
    line-height: 1;
    height: 2rem;
    padding: 0 0.75rem;
    cursor: pointer;
    transition: all 0.15s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--foreground);
    outline: none;
}
.layer-btn:focus-visible {
    box-shadow: 0 0 0 2px var(--background), 0 0 0 4px var(--ring);
}

.layer-btn:hover {
    background: var(--accent);
    color: var(--accent-foreground);
}
.layer-btn:active {
    transform: scale(0.97);
}

.layer-list {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.layer-item {
    background: transparent;
    border: 1px solid var(--sidebar-border);
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.15s ease;
}

.layer-item:hover {
    border-color: var(--sidebar-ring);
    background: var(--sidebar-accent);
}

.layer-item.active {
    border-color: var(--sidebar-primary);
    background: var(--sidebar-accent);
}

.layer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 7px 10px 5px;
    gap: 6px;
    min-height: 30px;
}

.layer-name {
    flex: 1;
    cursor: text;
    outline: none;
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--sidebar-foreground);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.layer-name:focus {
    background: rgba(240, 240, 250, 0.08);
    border-radius: calc(var(--radius) - 0.125rem);
    padding: 2px 6px;
    margin: -2px -6px;
}

.layer-actions {
    display: flex;
    gap: 1px;
    align-items: center;
    flex-shrink: 0;
    opacity: 0;
    transition: opacity 0.15s ease;
}

.layer-item:hover .layer-actions,
.layer-item.active .layer-actions {
    opacity: 1;
}

.layer-up,
.layer-down,
.layer-delete {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: var(--radius);
    font-size: 0.625rem;
    cursor: pointer;
    transition: all 0.15s ease;
    padding: 0;
    background: transparent;
    border: 1px solid transparent;
    color: var(--muted-foreground);
    outline: none;
}
.layer-up:focus-visible,
.layer-down:focus-visible,
.layer-delete:focus-visible {
    box-shadow: 0 0 0 2px var(--background), 0 0 0 4px var(--ring);
}

.layer-up:hover,
.layer-down:hover {
    background: var(--accent);
    color: var(--accent-foreground);
}
.layer-up:active,
.layer-down:active {
    transform: scale(0.9);
}

.layer-delete:hover {
    background: rgba(239, 68, 68, 0.15);
    color: var(--destructive);
}
.layer-delete:active {
    transform: scale(0.9);
}

.scene-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.125rem;
    align-items: center;
    padding: 0.375rem 0.5rem 0.5rem;
    border-top: 1px solid var(--sidebar-border);
}

.scene-tab {
    padding: 0.1875rem 0.5rem;
    border-radius: var(--radius);
    font-size: 0.59375rem;
    cursor: pointer;
    white-space: nowrap;
    max-width: 90px;
    overflow: hidden;
    background: transparent;
    color: var(--muted-foreground);
    border: 1px solid transparent;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.1875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    user-select: none;
}

.scene-tab-name {
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
    outline: none;
}

.scene-tab-name:focus {
    background: rgba(240, 240, 250, 0.15);
    border-radius: 4px;
    padding: 1px 4px;
    margin: -1px -4px;
}

.scene-tab-del {
    display: none;
    font-size: 0.625rem;
    line-height: 1;
    width: 1rem;
    height: 1rem;
    border-radius: var(--radius);
    text-align: center;
    color: var(--muted-foreground);
    flex-shrink: 0;
    cursor: pointer;
    transition: all 0.15s ease;
}

.scene-tab:hover .scene-tab-del {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.scene-tab-del:hover {
    background: rgba(239, 68, 68, 0.15);
    color: var(--destructive);
}

.scene-tab:hover {
    color: var(--sidebar-foreground);
    background: var(--sidebar-accent);
    border-color: var(--sidebar-border);
}

.scene-tab.active {
    background: var(--sidebar-primary);
    color: var(--sidebar-primary-foreground);
    border-color: var(--sidebar-primary);
    font-weight: 600;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.scene-add-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: var(--radius);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.15s ease;
    padding: 0;
    flex-shrink: 0;
    background: transparent;
    border: 1px dashed var(--border);
    color: var(--muted-foreground);
    outline: none;
}
.scene-add-btn:focus-visible {
    box-shadow: 0 0 0 2px var(--background), 0 0 0 4px var(--ring);
}

.scene-add-btn:hover {
    border-color: var(--foreground);
    color: var(--foreground);
    background: var(--accent);
}
.scene-add-btn:active {
    transform: scale(0.9);
}

/* toggle card wrapper */
.combat-mode-toggle,
.align-toggle {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--sidebar-border);
    border-radius: var(--radius);
    background: var(--sidebar-accent);
}

.combat-hint {
    font-size: 0.6875rem;
    opacity: 0.7;
}

/* ==================== shadcn/ui Custom Checkbox ==================== */

/* Container label */
.combat-mode-toggle label,
.align-toggle label {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: var(--sidebar-foreground);
    cursor: pointer;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding-left: 1.625rem;
    min-height: 1.25rem;
    user-select: none;
}

/* Hide native checkbox */
.combat-mode-toggle input[type="checkbox"],
.align-toggle input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

/* Custom box */
.combat-mode-toggle label::before,
.align-toggle label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1rem;
    height: 1rem;
    border: 1px solid var(--border);
    border-radius: 0.25rem;
    background: transparent;
    transition: all 0.2s ease;
}

/* Hover box */
.combat-mode-toggle label:hover::before,
.align-toggle label:hover::before {
    border-color: var(--ring);
    background: var(--accent);
}

/* Focus ring */
.combat-mode-toggle label:has(input:focus-visible)::before,
.align-toggle label:has(input:focus-visible)::before {
    box-shadow: 0 0 0 2px var(--background), 0 0 0 4px var(--ring);
}

/* Checked box */
.combat-mode-toggle label:has(input:checked)::before,
.align-toggle label:has(input:checked)::before {
    background: var(--primary);
    border-color: var(--primary);
}

/* Checkmark */
.combat-mode-toggle label:has(input:checked)::after,
.align-toggle label:has(input:checked)::after {
    content: '';
    position: absolute;
    left: 0.3rem;
    top: 50%;
    width: 0.35rem;
    height: 0.6rem;
    border: solid var(--primary-foreground);
    border-width: 0 2px 2px 0;
    transform: translateY(-65%) rotate(45deg) scale(1);
    transition: transform 0.15s ease;
    animation: checkboxCheck 0.2s ease-out;
}

@keyframes checkboxCheck {
    0% { transform: translateY(-65%) rotate(45deg) scale(0); opacity: 0; }
    50% { transform: translateY(-65%) rotate(45deg) scale(1.2); }
    100% { transform: translateY(-65%) rotate(45deg) scale(1); opacity: 1; }
}

.obstacle-tool-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--sidebar-border);
    border-radius: var(--radius);
    background: var(--sidebar-accent);
}

.obstacle-shape-select {
    background: var(--background);
    border: 1px solid var(--sidebar-border);
    color: var(--foreground);
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius);
    font-size: 0.8125rem;
    cursor: pointer;
    transition: all 0.15s ease;
    height: 2.25rem;
}

.obstacle-shape-select:hover {
    border-color: var(--sidebar-ring);
}
.obstacle-shape-select:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px var(--background), 0 0 0 4px var(--ring);
}

/* ==================== Resizable Panel Handles ==================== */

.resizable-handle {
    position: relative;
    width: 4px;
    flex-shrink: 0;
    cursor: col-resize;
    background: transparent;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s ease;
    user-select: none;
    -webkit-user-select: none;
}

.resizable-handle::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    background: transparent;
    border-radius: 9999px;
    transition: background 0.2s ease, width 0.15s ease;
}

.resizable-handle:hover::after,
.resizable-handle.resizing::after {
    background: var(--ring);
    width: 2px;
}

.resizable-handle:hover {
    background: rgba(240, 240, 250, 0.04);
}

.resizable-handle.resizing {
    background: rgba(240, 240, 250, 0.06);
}

/* Grip dots indicator — like shadcn/ui */
.resizable-handle-grip {
    position: relative;
    width: 3px;
    height: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
}

.resizable-handle:hover .resizable-handle-grip,
.resizable-handle.resizing .resizable-handle-grip {
    opacity: 1;
}

.resizable-handle-grip::before,
.resizable-handle-grip::after {
    content: '';
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--muted-foreground);
    transition: background 0.15s ease;
}

.resizable-handle.resizing .resizable-handle-grip::before,
.resizable-handle.resizing .resizable-handle-grip::after {
    background: var(--foreground);
    transform: scale(1.3);
}

/* Prevent text selection while resizing */
body.resizing {
    cursor: col-resize;
    user-select: none;
    -webkit-user-select: none;
}

body.resizing * {
    cursor: col-resize !important;
}

.canvas-container {
    flex: 1;
    min-width: 200px;
    position: relative;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    overflow: hidden;
}

/* ==================== Canvas Alert (shadcn/ui Alert style) ==================== */

.canvas-alert {
    position: absolute;
    top: 12px;
    left: 12px;
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--secondary);
    color: var(--secondary-foreground);
    z-index: 50;
    pointer-events: none;
    user-select: none;
    backdrop-filter: blur(8px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.canvas-alert-icon {
    font-size: 0.9375rem;
    line-height: 1.25;
    flex-shrink: 0;
    margin-top: 1px;
}

.canvas-alert-title {
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.25;
    color: var(--foreground);
}

.canvas-alert-desc {
    font-size: 0.6875rem;
    font-weight: 400;
    line-height: 1.25;
    color: var(--muted-foreground);
    margin-top: 1px;
}

#tacticalCanvas {
    display: block;
    cursor: crosshair;
}

.coordinates {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: var(--dark-overlay);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius);
    font-size: 0.75rem;
    color: var(--foreground);
    border: 1px solid var(--sidebar-border);
    font-family: 'Consolas', 'Cascadia Code', 'Courier New', monospace;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.snap-indicator {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--dark-overlay);
    color: var(--spectral-white);
    padding: 10px 20px;
    border-radius: 32px;
    font-family: 'Impact', 'Segoe UI', 'Helvetica Neue', 'Helvetica', 'Arial', sans-serif;
    font-size: 12px;
    font-weight: 400;
    animation: fadeInOut 1.5s ease-in-out;
    z-index: 100;
    border: 1px solid var(--ghost-border);
    text-transform: uppercase;
    letter-spacing: 1.17px;
}

@keyframes fadeInOut {
    0%, 100% { opacity: 0; transform: translateX(-50%) translateY(-10px); }
    20%, 80% { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.mode-indicator {
    position: absolute;
    top: 70px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--dark-overlay);
    color: var(--spectral-white);
    padding: 10px 20px;
    border-radius: var(--radius);
    font-family: 'Impact', 'Segoe UI', 'Helvetica Neue', 'Helvetica', 'Arial', sans-serif;
    font-size: 0.75rem;
    font-weight: 400;
    z-index: 100;
    border: 1px solid var(--border);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: opacity 0.5s ease;
    opacity: 1;
}
.mode-indicator.fade-out {
    opacity: 0;
    pointer-events: none;
}


.properties-panel {
    width: 300px;
    min-width: 220px;
    max-width: 560px;
    flex-shrink: 0;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border-left: 1px solid var(--sidebar-border);
    padding: 1rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    scrollbar-width: none;
}

.properties-panel::-webkit-scrollbar {
    display: none;
}

.panel-title {
    font-family: 'Impact', 'Segoe UI', 'Helvetica Neue', 'Helvetica', 'Arial', sans-serif;
    color: var(--sidebar-foreground);
    font-size: 1.125rem;
    font-weight: 400;
    text-align: center;
    padding: 0.5rem 0.75rem 0.75rem;
    border-bottom: 1px solid var(--sidebar-border);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1.2;
}

.property-section {
    padding: 0.75rem;
    border: 1px solid var(--sidebar-border);
    border-radius: var(--radius);
    background: var(--sidebar-accent);
}

.property-section h4 {
    color: var(--muted-foreground);
    font-size: 0.6875rem;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.75px;
    font-weight: 600;
    line-height: 1;
}

.settings-section {
    border-color: var(--sidebar-border);
}

.hint-text {
    color: var(--muted-foreground);
    font-size: 0.8125rem;
    text-align: center;
    line-height: 1.6;
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.property-group {
    margin-bottom: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.property-group label {
    font-size: 0.6875rem;
    color: var(--sidebar-foreground);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
    line-height: 1;
}

.property-group input[type="number"],
.property-group input[type="text"] {
    background: var(--background);
    border: 1px solid var(--sidebar-border);
    color: var(--foreground);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius);
    font-size: 0.8125rem;
    transition: all 0.15s ease;
}

.property-group input[type="number"]:focus,
.property-group input[type="text"]:focus {
    outline: none;
    border-color: var(--sidebar-ring);
    box-shadow: 0 0 0 1px var(--sidebar-ring);
}

.property-group select {
    background: var(--background);
    border: 1px solid var(--sidebar-border);
    color: var(--foreground);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius);
    font-size: 0.8125rem;
    cursor: pointer;
    transition: all 0.15s ease;
}

.property-group select:hover {
    border-color: var(--sidebar-ring);
}

/* ==================== ElasticSlider Style Range ==================== */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 0.375rem;
    border-radius: 9999px;
    background: rgba(128, 128, 128, 0.4);
    cursor: grab;
    outline: none;
    transition: height 0.2s ease, margin 0.2s ease, background 0.2s ease;
}
input[type="range"]:active {
    cursor: grabbing;
}
/* Thumb (WebKit) */
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background: var(--foreground);
    border: 2px solid var(--foreground);
    cursor: grab;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    box-shadow: 0 0 0 0 transparent;
}
input[type="range"]::-webkit-slider-thumb:active {
    cursor: grabbing;
    transform: scale(1.3);
    box-shadow: 0 0 0 6px rgba(240, 240, 250, 0.2);
}
input[type="range"]:hover::-webkit-slider-thumb {
    transform: scale(1.15);
}
/* Thumb (Firefox) */
input[type="range"]::-moz-range-thumb {
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background: var(--foreground);
    border: 2px solid var(--foreground);
    cursor: grab;
    transition: transform 0.15s ease;
}
input[type="range"]::-moz-range-thumb:active {
    cursor: grabbing;
    transform: scale(1.3);
}
input[type="range"]:hover::-moz-range-thumb {
    transform: scale(1.15);
}
/* Track (Firefox) */
input[type="range"]::-moz-range-track {
    height: 0.375rem;
    border-radius: 9999px;
    background: rgba(128, 128, 128, 0.4);
}
/* Focus ring */
input[type="range"]:focus-visible {
    box-shadow: 0 0 0 2px var(--background), 0 0 0 4px var(--ring);
}
/* Hover track */
input[type="range"]:hover {
    background: rgba(128, 128, 128, 0.55);
}

/* Value indicator tooltip */
.range-value-tip {
    position: absolute;
    top: -1.5rem;
    transform: translateX(-50%);
    background: var(--foreground);
    color: var(--background);
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius);
    font-size: 0.6875rem;
    font-weight: 600;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s ease, top 0.15s ease;
    white-space: nowrap;
}
.range-value-tip.visible {
    opacity: 1;
    top: -1.75rem;
}
.range-value-tip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: var(--foreground);
}

/* Range wrapper for relative positioning */
.range-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
}

.property-group input[type="color"] {
    width: 100%;
    height: 2.5rem;
    border: 1px solid var(--sidebar-border);
    border-radius: var(--radius);
    cursor: pointer;
    background: transparent;
    transition: all 0.15s ease;
}

.property-group input[type="color"]:hover {
    border-color: var(--sidebar-ring);
}

.property-group span {
    color: var(--spectral-white);
    font-size: 12px;
    text-align: right;
    font-family: 'Consolas', 'Cascadia Code', 'Courier New', monospace;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 1px;
}

#propType {
    color: var(--spectral-white);
    font-weight: 700;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 1.17px;
}

.theme-colors {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.theme-btn {
    width: 36px;
    height: 36px;
    border: 2px solid transparent;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
}

.theme-btn:hover {
    transform: scale(1.1);
    border-color: var(--spectral-white);
}

.theme-btn.active {
    border-color: var(--spectral-white);
    transform: scale(1.1);
}

#customThemeColor {
    width: 36px !important;
    height: 36px !important;
    border: 2px dashed var(--ghost-border) !important;
    border-radius: 50% !important;
    padding: 0 !important;
    cursor: pointer;
}

.action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    white-space: nowrap;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1;
    height: 2.25rem;
    padding: 0 1rem;
    cursor: pointer;
    transition: all 0.15s ease;
    width: 100%;
    margin-top: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid transparent;
    outline: none;
    background: var(--primary);
    color: var(--primary-foreground);
}
.action-btn:focus-visible {
    box-shadow: 0 0 0 2px var(--background), 0 0 0 4px var(--ring);
}
.action-btn:hover {
    opacity: 0.9;
}
.action-btn:active {
    transform: scale(0.97);
}

.delete-btn {
    background: var(--destructive);
    color: var(--destructive-foreground);
    border-color: transparent;
}

.delete-btn:hover {
    background: var(--destructive);
    opacity: 0.8;
}

.apply-btn {
    background: var(--primary);
    color: var(--primary-foreground);
    border-color: var(--primary);
}

.apply-btn:hover {
    opacity: 0.9;
}

.hinge-selector {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
}

.hinge-opt {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    height: 2rem;
    padding: 0 0.75rem;
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--foreground);
    outline: none;
}
.hinge-opt:focus-visible {
    box-shadow: 0 0 0 2px var(--background), 0 0 0 4px var(--ring);
}

.hinge-opt:hover {
    background: var(--accent);
    color: var(--accent-foreground);
}

.hinge-opt.active {
    background: var(--primary);
    color: var(--primary-foreground);
    border-color: var(--primary);
}
.hinge-opt:active {
    transform: scale(0.97);
}

.door-state-btns {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 6px;
}

.door-state-btn {
    background: var(--space-black);
    border: 1px solid var(--ghost-border);
    color: var(--spectral-white);
    padding: 10px 8px;
    border-radius: 32px;
    cursor: pointer;
    font-size: 11px;
    text-align: center;
    transition: all 0.2s ease;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.96px;
}

.door-state-btn:hover {
    border-color: var(--spectral-white);
    background: var(--ghost-surface);
}

.door-state-btn.active {
    background: var(--ghost-surface);
    border-color: var(--spectral-white);
}

.quick-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.draw-tool-group {
    margin-top: 0.25rem;
    padding: 0.5rem 0.75rem;
    background: var(--sidebar-accent);
    border: 1px solid var(--sidebar-border);
    border-radius: var(--radius);
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.draw-tool-group label {
    font-size: 0.6875rem;
    color: var(--muted-foreground);
    white-space: nowrap;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.draw-tool-group input[type="color"] {
    width: 2rem;
    height: 2rem;
    border: 1px solid var(--sidebar-border);
    border-radius: var(--radius);
    cursor: pointer;
    padding: 2px;
}

.draw-tool-group input[type="range"] {
    flex: 1;
    min-width: 60px;
}

.draw-tool-group span {
    font-size: 0.6875rem;
    color: var(--muted-foreground);
    min-width: 2.5rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.draw-actions {
    margin-top: 10px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.draw-actions .tool-btn {
    flex: 1;
    min-width: 120px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
    font-size: 12px;
    font-weight: 400;
    color: var(--spectral-white);
    text-transform: uppercase;
    letter-spacing: 0.96px;
}

.legend-color {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    flex-shrink: 0;
    border: 1px solid var(--ghost-border);
}

.shortcut-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    font-size: 12px;
    color: var(--spectral-white);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.96px;
}

kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 1.375rem;
    min-width: 1.375rem;
    padding: 0 0.375rem;
    background: var(--secondary);
    border: 1px solid var(--border);
    border-bottom-width: 2px;
    border-radius: var(--radius);
    font-family: 'Consolas', 'Cascadia Code', 'Courier New', monospace;
    font-size: 0.6875rem;
    color: var(--secondary-foreground);
    font-weight: 500;
    line-height: 1;
    white-space: nowrap;
    pointer-events: none;
    user-select: none;
}

/* Kbd group — horizontal key chain */
.kbd-group {
    display: inline-flex;
    align-items: center;
    gap: 0.125rem;
}

.kbd-plus {
    margin: 0 0.125rem;
    font-size: 0.625rem;
    color: var(--muted-foreground);
    user-select: none;
}

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--space-black);
}

::-webkit-scrollbar-thumb {
    background: var(--ghost-border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--spectral-white);
}

.person-tooltip {
    position: absolute;
    pointer-events: none;
    z-index: 1000;
    background: var(--dark-overlay);
    border: 1px solid var(--ghost-border);
    border-radius: 4px;
    padding: 12px 16px;
    min-width: 180px;
}

.tooltip-header {
    font-size: 13px;
    font-weight: 700;
    color: var(--spectral-white);
    margin-bottom: 8px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--ghost-border);
    text-transform: uppercase;
    letter-spacing: 1.17px;
}

.tooltip-body {
    font-size: 11px;
    color: var(--spectral-white);
    line-height: 1.8;
    text-transform: uppercase;
    letter-spacing: 0.96px;
}

.tooltip-row {
    display: flex;
    justify-content: space-between;
    gap: 16px;
}

.tooltip-label {
    opacity: 0.7;
    font-weight: 400;
}

.tooltip-value {
    font-weight: 700;
}

.gunline-hint {
    position: absolute;
    top: 100px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--dark-overlay);
    color: var(--spectral-white);
    padding: 10px 20px;
    border-radius: 32px;
    font-family: 'Impact', 'Segoe UI', 'Helvetica Neue', 'Helvetica', 'Arial', sans-serif;
    font-size: 12px;
    font-weight: 400;
    z-index: 100;
    animation: pulse 1s ease-in-out infinite;
    border: 1px solid var(--ghost-border);
    text-transform: uppercase;
    letter-spacing: 1.17px;
}

@keyframes pulse {
    0%, 100% { opacity: 0.7; transform: translateX(-50%) scale(1); }
    50% { opacity: 1; transform: translateX(-50%) scale(1.05); }
}


.loading-spinner {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 2px solid var(--ghost-border);
    border-top: 2px solid var(--spectral-white);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    z-index: 2000;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}