/* FloorPlanTo3D - Browser-based 3D Floor Plan Viewer */

:root {
    --bg-primary: #f7f8fb;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f0f2f7;
    --bg-card: rgba(255, 255, 255, 0.9);
    --bg-glass: rgba(255, 255, 255, 0.85);
    --bg-glass-hover: rgba(248, 249, 252, 0.95);
    --accent-primary: #3b82f6;
    --accent-secondary: #6366f1;
    --accent-glow: rgba(59, 130, 246, 0.25);
    --text-primary: #101828;
    --text-secondary: #344054;
    --text-muted: #667085;
    --border-color: rgba(59, 130, 246, 0.2);
    --border-subtle: rgba(16, 24, 40, 0.08);
    --border-default: rgba(16, 24, 40, 0.12);
    --border-focus: rgba(59, 130, 246, 0.5);
    --success: #12b76a;
    --warning: #f79009;
    --error: #f04438;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(16, 24, 40, 0.08);
    --shadow-sm: 0 2px 8px rgba(16, 24, 40, 0.08);
    --shadow-md: 0 6px 20px rgba(16, 24, 40, 0.12);
    --shadow-lg: 0 14px 40px rgba(16, 24, 40, 0.16);
    --shadow-glow: 0 0 18px var(--accent-glow);

    /* Typography */
    --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 12px;
    --space-lg: 16px;
    --space-xl: 24px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Beta Badge */
.beta-badge {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    padding: 6px 14px;
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
    pointer-events: none;
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: bounce-in 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes bounce-in {
    0% {
        transform: scale(0.5) translateY(-20px);
        opacity: 0;
    }

    100% {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}

/* Full Screen Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(247, 248, 251, 0.85);
    backdrop-filter: blur(12px);
    z-index: 10000;
    display: none;
    /* Hidden by default */
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all 0.4s ease;
}

.loading-overlay.visible {
    display: flex;
}

.loading-card {
    background: white;
    padding: 40px;
    border-radius: 32px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    max-width: 400px;
    width: 90%;
    border: 1px solid rgba(16, 24, 40, 0.05);
}

.loading-spinner-large {
    width: 64px;
    height: 64px;
    border: 4px solid var(--bg-tertiary);
    border-top: 4px solid var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s cubic-bezier(0.5, 0, 0.5, 1) infinite;
}

.loading-info {
    text-align: center;
}

.loading-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.loading-subtitle {
    font-size: 1rem;
    color: var(--text-muted);
}

.loading-steps {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    margin-top: 8px;
}

.loading-step-row {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: all 0.3s;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--bg-tertiary);
}

.loading-step-row.active {
    color: var(--accent-primary);
    font-weight: 600;
}

.loading-step-row.active .status-dot {
    background: var(--accent-primary);
    box-shadow: 0 0 8px var(--accent-glow);
}

.loading-step-row.completed {
    color: var(--success);
}

.loading-step-row.completed .status-dot {
    background: var(--success);
}

/* Animated background gradient */
.bg-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(59, 130, 246, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(99, 102, 241, 0.08) 0%, transparent 55%),
        radial-gradient(ellipse at 50% 10%, rgba(16, 24, 40, 0.02) 0%, transparent 60%);
    pointer-events: none;
    z-index: -1;
}

/* Main container */
.app-container {
    display: grid;
    grid-template-columns: 320px 1fr;
    min-height: 100vh;
    gap: 0;
}

/* Hide sidebar in 2D edit for more space */
#app-shell.mode-edit {
    grid-template-columns: 1fr;
}

#app-shell.mode-edit .sidebar {
    display: none;
}

/* Landing */
.landing {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.landing-inner {
    width: 100%;
    max-width: 960px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 24px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.landing-brand {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 28px;
}

.landing-logo {
    width: 54px;
    height: 54px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    font-size: 24px;
}

.landing-title {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.landing-subtitle {
    color: var(--text-muted);
    font-size: 1rem;
}

.landing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.landing-card {
    border: 1px solid var(--border-subtle);
    border-radius: 18px;
    padding: 24px;
    background: var(--bg-tertiary);
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 200px;
}

.landing-card h2 {
    font-size: 1.1rem;
    font-weight: 600;
}

.landing-card p {
    color: var(--text-muted);
    line-height: 1.6;
    flex: 1;
}

.landing-footnote {
    margin-top: 18px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Sidebar */
.sidebar {
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-subtle);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    overflow-y: auto;
    backdrop-filter: blur(12px);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--glass-border);
}

.sidebar-toggle {
    margin-left: auto;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    border: 1px solid var(--border-subtle);
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}

.sidebar-toggle:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-default);
}

/* Collapsible sidebar (mainly for smaller screens) */
#app-shell.sidebar-collapsed {
    grid-template-columns: 1fr;
}

#app-shell.sidebar-collapsed .sidebar {
    display: none;
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 400;
}

/* Section styling */
.section {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 20px;
}

.section-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 16px;
}

/* Upload area */
.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--bg-secondary);
}

.upload-area:hover {
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.05);
    transform: translateY(-2px);
}

.upload-area.dragover {
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.1);
    box-shadow: 0 0 30px var(--accent-glow);
}

.upload-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.8;
}

.upload-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.upload-text strong {
    color: var(--accent-secondary);
}

.upload-input {
    display: none;
}

/* Preview image */
.preview-container {
    display: none;
    margin-top: 16px;
}

.preview-container.visible {
    display: block;
}

.preview-image {
    width: 100%;
    max-height: 200px;
    object-fit: contain;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
}

.preview-name {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Buttons */
.btn {
    width: 100%;
    padding: 14px 24px;
    border: none;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), #4f46e5);
    color: white;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-default);
}

.btn-secondary:hover:not(:disabled) {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: translateY(-2px);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

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

.btn-secondary {
    background: var(--glass-bg);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-primary);
}

/* Loading spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Status messages */
.status {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.875rem;
    display: none;
    align-items: center;
    gap: 10px;
}

.status.visible {
    display: flex;
}

.status.success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--success);
}

.status.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--error);
}

.status.loading {
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: var(--accent-secondary);
}

/* Controls */
.control-group {
    margin-bottom: 16px;
}

.control-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    display: block;
}

.control-row {
    display: flex;
    gap: 8px;
}

.slider-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.slider {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    outline: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 10px var(--accent-glow);
    transition: transform 0.2s;
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.slider-value {
    min-width: 50px;
    text-align: right;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Color picker */
.color-options {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.color-option {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.2s;
}

.color-option:hover {
    transform: scale(1.1);
}

.color-option.active {
    border-color: white;
    box-shadow: 0 0 10px var(--accent-glow);
}

/* Detection info */
.detection-info {
    display: none;
    gap: 12px;
}

.detection-info.visible {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}

.detection-stat {
    background: var(--bg-tertiary);
    padding: 16px;
    border-radius: 10px;
    text-align: center;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--accent-secondary);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* 3D Viewer */
.viewer-container {
    position: relative;
    background: var(--bg-primary);
    overflow: hidden;
}

#view-mode-container {
    min-height: 100vh;
}

#canvas-container {
    width: 100%;
    height: 100vh;
}

#three-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* Viewer controls overlay */
.viewer-controls {
    position: absolute;
    /* Keep controls clearly visible above the bottom edge */
    bottom: calc(88px + env(safe-area-inset-bottom));
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    background: var(--bg-card);
    padding: 12px 16px;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    z-index: 25;
}

/* Sidebar toggle button for viewer */
.viewer-sidebar-btn {
    position: absolute;
    top: 16px;
    left: 16px;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid var(--border-subtle);
    background: rgba(255, 255, 255, 0.9);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    z-index: 30;
    color: var(--text-primary);
    transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.viewer-sidebar-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-default);
    transform: translateY(-1px);
}

.viewer-sidebar-btn:active {
    transform: translateY(0px);
}

/* Minimap */
.minimap {
    position: absolute;
    right: 16px;
    top: 16px;
    width: 220px;
    height: 220px;
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid var(--border-subtle);
    border-radius: 14px;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
    z-index: 20;
    overflow: hidden;
    pointer-events: none;
}

.minimap canvas {
    width: 220px;
    height: 220px;
    display: block;
}

@media (max-width: 768px) {
    .minimap {
        display: none;
    }

    .viewer-inspector {
        display: none !important;
    }
}

.viewer-btn {
    width: 44px;
    height: 44px;
    border: none;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-radius: 10px;
    cursor: pointer;
    font-size: 18px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.viewer-btn:hover {
    background: var(--accent-primary);
    transform: translateY(-2px);
}

.viewer-btn.active {
    background: var(--accent-primary);
}

/* View mode indicator */
.view-mode {
    position: absolute;
    top: 16px;
    left: 72px;
    background: var(--bg-card);
    padding: 10px 16px;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* 3D inspector */
.viewer-inspector {
    position: absolute;
    left: 16px;
    top: 72px;
    width: 260px;
    max-width: calc(100vw - 32px);
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--border-subtle);
    border-radius: 14px;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
    z-index: 30;
    overflow: hidden;
}

.viewer-inspector-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 12px 10px 12px;
    border-bottom: 1px solid var(--border-subtle);
}

.viewer-inspector-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.viewer-inspector-close {
    width: 30px;
    height: 30px;
    border-radius: 10px;
    border: 1px solid var(--border-subtle);
    background: var(--bg-secondary);
    cursor: pointer;
    color: var(--text-muted);
}

.viewer-inspector-close:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.viewer-inspector-body {
    padding: 12px;
    display: grid;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.viewer-inspector-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.viewer-inspector-key {
    color: var(--text-muted);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.viewer-inspector-value {
    font-family: var(--font-mono);
    color: var(--text-primary);
}

/* Empty state */
.empty-state {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--text-muted);
}

.empty-icon {
    font-size: 80px;
    margin-bottom: 20px;
    opacity: 0.3;
}

.empty-text {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.empty-subtext {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Responsive */
@media (max-width: 1024px) {
    .app-container {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
    }

    .sidebar {
        max-height: 50vh;
        border-right: none;
        border-bottom: 1px solid var(--glass-border);
    }

    #canvas-container {
        height: 50vh;
    }
}

/* If sidebar is collapsed, keep the viewer full height even on smaller screens */
#app-shell.sidebar-collapsed #canvas-container {
    height: 100vh;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease forwards;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* Edit Mode Styles */
.editor-container {
    position: relative;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

.editor-toolbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-subtle);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    backdrop-filter: blur(20px);
}

.editor-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.editor-actions {
    display: flex;
    gap: 12px;
}

.editor-btn {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.editor-btn:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    box-shadow: 0 4px 12px var(--accent-glow);
    transform: translateY(-1px);
}

.editor-btn:active {
    transform: translateY(0);
}

.editor-canvas-container {
    flex: 1;
    position: relative;
    overflow: hidden;
    background: var(--bg-tertiary);
    display: flex;
    flex-direction: column;
}

#editor-canvas {
    width: 100%;
    height: 100%;
}

.editor-statusbar {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    gap: 24px;
    font-size: 0.875rem;
    backdrop-filter: blur(20px);
}

.status-item {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
}

.status-item strong {
    color: var(--text-primary);
    font-weight: 600;
}

.keyboard-hint {
    margin-left: auto;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Mode Toggle Buttons */
#mode-view.active,
#mode-edit.active {
    background: var(--accent-primary) !important;
    border-color: var(--accent-primary) !important;
    box-shadow: 0 4px 12px var(--accent-glow);
}

/* React-Planner Overrides */
.editor-canvas-container>div {
    width: 100% !important;
    height: 100% !important;
}

/* Editor Toolbar Panel */
.editor-toolbar-panel {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 12px;
    display: flex;
    flex-direction: row;
    /* Keep tools in a row */
    gap: 12px;
    box-shadow: var(--shadow-md);
    z-index: 100;
    /* Fix: Prevent expansion to full container size */
    width: auto;
    max-width: fit-content;
    height: auto;
    /* Safety net: Let clicks pass through empty space */
    pointer-events: auto;
}

.tool-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.tool-label {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    padding: 0 4px;
}

.tool-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 8px 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 56px;
    color: var(--text-primary);
}

.tool-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.tool-btn.active {
    background: rgba(59, 130, 246, 0.12);
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.tool-btn span:first-child {
    font-size: 1.25rem;
}

.tool-name {
    font-size: 0.65rem;
    font-weight: 500;
}

.tool-divider {
    width: 1px;
    background: var(--glass-border);
    margin: 4px 0;
}

/* Primary action button (Apply to 3D) */
.tool-btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-color: transparent;
    color: white;
    font-weight: 600;
}

.tool-btn-primary:hover {
    background: linear-gradient(135deg, #7c3aed, #818cf8);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
}

/* Disabled button state */
.tool-btn.disabled,
.tool-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

/* Canvas should fill the container */
#editor-canvas {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
    flex: 1;
}

#floorplan-canvas {
    display: block;
    outline: none;
}

/* ==================== Progress Indicator ==================== */
.progress-container {
    margin-top: 16px;
    padding: 16px;
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--glass-border);
}

.progress-bar {
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 12px;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 3px;
    transition: width 0.3s ease;
}

.progress-steps {
    display: flex;
    justify-content: space-between;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    opacity: 0.4;
    transition: opacity 0.3s ease;
}

.progress-step.active {
    opacity: 1;
}

.progress-step.completed {
    opacity: 1;
    color: var(--success);
}

.step-icon {
    font-size: 1.2rem;
}

.step-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

/* ==================== Keyboard Shortcuts Panel ==================== */
.shortcuts-panel {
    position: absolute;
    top: 80px;
    right: 16px;
    width: 280px;
    background: rgba(30, 30, 46, 0.98);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    z-index: 200;
    overflow: hidden;
}

.shortcuts-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--glass-border);
    background: rgba(99, 102, 241, 0.1);
}

.shortcuts-header h4 {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.shortcuts-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 2px 6px;
    border-radius: 4px;
    transition: all 0.2s;
}

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

.shortcuts-content {
    padding: 12px 16px;
    max-height: 400px;
    overflow-y: auto;
}

.shortcut-group {
    margin-bottom: 16px;
}

.shortcut-group:last-child {
    margin-bottom: 0;
}

.shortcut-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--accent-secondary);
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.shortcut-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    padding: 2px 8px;
    font-family: 'SF Mono', Monaco, 'Fira Code', monospace;
    font-size: 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    color: var(--text-primary);
    box-shadow: 0 2px 0 rgba(0, 0, 0, 0.3);
}

/* ==================== Save Indicator ==================== */
.save-indicator {
    position: absolute;
    bottom: 16px;
    right: 16px;
    padding: 8px 16px;
    background: rgba(16, 185, 129, 0.9);
    color: white;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
    pointer-events: none;
    z-index: 100;
}

.save-indicator.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==================== Button Updates ==================== */
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn:disabled:hover {
    transform: none;
    box-shadow: none;
}

/* Responsive improvements */
@media (max-width: 1200px) {
    .shortcuts-panel {
        width: 240px;
    }
}

@media (max-width: 768px) {
    .editor-toolbar-panel {
        flex-wrap: wrap;
        width: calc(100% - 32px);
    }

    .shortcuts-panel {
        right: 8px;
        left: 8px;
        width: auto;
    }
}

/* ==================== REDESIGNED UI STYLES ==================== */

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Focus visible for better keyboard navigation */
*:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

button:focus-visible,
[role="button"]:focus-visible {
    outline: 2px solid var(--accent-secondary);
    outline-offset: 2px;
}

/* ==================== MODE TOGGLE SECTION ==================== */
.mode-toggle-section {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 16px;
}

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

.mode-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 12px;
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.mode-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-primary);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.mode-btn.active {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-color: var(--accent-primary);
    color: white;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.mode-icon {
    font-size: 24px;
}

.mode-label {
    font-size: 0.875rem;
}

/* ==================== ACTION GRID ==================== */
.action-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 14px 12px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 0.813rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.action-btn:hover:not(:disabled) {
    background: var(--bg-tertiary);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.action-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.action-icon {
    font-size: 20px;
}

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

/* ==================== IMPROVED SECTION STYLES ==================== */
.section {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 0;
}

.section-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

/* ==================== IMPROVED UPLOAD AREA ==================== */
.upload-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
    text-align: center;
}

.upload-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ==================== EMPTY STATE ==================== */
.empty-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 12px 0 8px 0;
}

.empty-text {
    font-size: 0.938rem;
    color: var(--text-secondary);
}

.empty-subtext {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-align: center;
    padding: 20px;
}

/* ==================== BUTTON LARGE ==================== */
.btn-large {
    padding: 14px 24px;
    font-size: 1rem;
}

/* ==================== CUSTOMIZATION SECTION ==================== */
.customization-section {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 20px;
}

/* ==================== BETTER BUTTON STYLES ==================== */
button {
    font-family: inherit;
    font-size: inherit;
}

button:active:not(:disabled) {
    transform: translateY(0);
}

/* ==================== DETECTION STATS ==================== */
.detection-stat {
    background: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 12px;
    text-align: center;
    transition: all 0.2s ease;
}

.detection-stat:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ==================== COLOR OPTIONS ==================== */
.color-option {
    width: 36px;
    height: 36px;
    border: 3px solid transparent;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.color-option:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.color-option.active {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.color-option.active::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 14px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

/* ==================== EDITOR IMPROVEMENTS ==================== */
.editor-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.813rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.editor-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-primary);
}

/* ==================== RESPONSIVE IMPROVEMENTS ==================== */
@media (max-width: 1400px) {
    .app-container {
        grid-template-columns: 340px 1fr;
    }
}

@media (max-width: 1024px) {
    .app-container {
        grid-template-columns: 1fr;
    }

    .sidebar {
        max-height: 50vh;
        overflow-y: auto;
    }
}

/* ==================== PRINT STYLES ==================== */
@media print {

    .bg-gradient,
    .sidebar,
    .viewer-controls,
    .view-mode {
        display: none !important;
    }

    .app-container {
        grid-template-columns: 1fr;
    }
}

/* ==================== REDESIGNED 2D EDITOR - FLOATING PANELS ==================== */

/* Canvas Background for Editor - now relative to grid, not fixed */
.canvas-wrapper {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: var(--bg-primary);
}

.editor-container .canvas-wrapper {
    background:
        radial-gradient(ellipse at 20% 20%, rgba(99, 102, 241, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(129, 140, 248, 0.04) 0%, transparent 50%),
        var(--bg-primary);
}

/* Grid Overlay */
.editor-container .canvas-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(99, 102, 241, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
}

/* ==================== FLOATING PANEL BASE ==================== */
.floating-panel {
    position: absolute;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    z-index: 100;
    animation: panelFadeIn 0.3s ease-out;
}

@keyframes panelFadeIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==================== TOP BAR ==================== */
.top-bar {
    top: var(--space-lg, 16px);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: var(--space-md, 12px);
    padding: var(--space-sm, 8px) var(--space-lg, 16px);
    min-width: 600px;
    max-width: calc(100% - 32px);
    justify-content: space-between;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: var(--space-md, 12px);
}

.editor-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.938rem;
    color: var(--text-primary);
    letter-spacing: 0.02em;
}

.editor-badge {
    font-family: var(--font-mono);
    font-size: 0.688rem;
    font-weight: 500;
    color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.15);
    padding: 2px 8px;
    border-radius: 6px;
    letter-spacing: 0.05em;
}

/* Status Bar in Top */
.status-bar {
    display: flex;
    align-items: center;
    gap: var(--space-lg, 16px);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.status-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.status-icon {
    font-size: 0.875rem;
}

.status-value {
    color: var(--text-primary);
    font-weight: 500;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: var(--space-sm, 8px);
}

.btn-action {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--bg-glass-hover);
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: 0.813rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-action:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-default);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-action:active {
    transform: translateY(0);
}

.btn-action.primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.btn-action.primary:hover {
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-icon {
    font-size: 1rem;
}

/* ==================== VERTICAL TOOLBAR ==================== */
.toolbar-vertical {
    top: 50%;
    left: var(--space-lg, 16px);
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs, 4px);
    padding: var(--space-sm, 8px);
}

.toolbar-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs, 4px);
    padding: var(--space-xs, 4px);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-subtle);
}

.toolbar-label {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-align: center;
    padding: var(--space-xs, 4px) 0;
}

.tool-btn {
    position: relative;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 1.25rem;
}

.tool-btn:hover {
    background: var(--bg-glass-hover);
    border-color: var(--border-default);
    transform: scale(1.05);
}

.tool-btn.active {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.tool-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.tool-btn:disabled:hover {
    transform: none;
    background: transparent;
}

/* Tooltip */
.tool-btn::after {
    content: attr(data-tooltip);
    position: absolute;
    left: calc(100% + 10px);
    top: 50%;
    transform: translateY(-50%);
    padding: 6px 10px;
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    pointer-events: none;
    z-index: 1000;
}

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

/* ==================== PROPERTIES PANEL ==================== */
.properties-panel {
    top: 50%;
    right: var(--space-lg, 16px);
    transform: translateY(-50%);
    width: 240px;
    padding: var(--space-lg, 16px);
}

.prop-title {
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.prop-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.prop-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.prop-row strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Toggle switch (simple) */
.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

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

.switch .slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background-color: rgba(16, 24, 40, 0.12);
    transition: 0.2s;
    border-radius: 999px;
}

.switch .slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    top: 3px;
    background-color: white;
    transition: 0.2s;
    border-radius: 999px;
    box-shadow: var(--shadow-sm);
}

.switch input:checked+.slider {
    background-color: rgba(59, 130, 246, 0.6);
}

.switch input:checked+.slider:before {
    transform: translateX(20px);
}

.properties-panel input[type="range"] {
    width: 180px;
}

.properties-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md, 12px);
    padding-bottom: var(--space-md, 12px);
    border-bottom: 1px solid var(--border-subtle);
}

.properties-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-primary);
    letter-spacing: 0.02em;
}

.properties-count {
    font-family: var(--font-mono);
    font-size: 0.688rem;
    color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.15);
    padding: 2px 8px;
    border-radius: 6px;
}

.properties-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-md, 12px);
}

.property-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm, 8px);
}

.property-label {
    font-family: var(--font-mono);
    font-size: 0.688rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.property-value {
    font-family: var(--font-display);
    font-size: 0.938rem;
    font-weight: 500;
    color: var(--text-primary);
    padding: 8px 12px;
    background: var(--bg-glass-hover);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
}

.property-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm, 8px);
}

.property-row .property-label {
    flex: 1;
}

.property-row .property-value {
    flex: 1;
    text-align: right;
    font-family: var(--font-mono);
    font-size: 0.813rem;
}

.empty-state {
    text-align: center;
    padding: var(--space-xl, 24px) var(--space-md, 12px);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.empty-icon {
    font-size: 2rem;
    margin-bottom: var(--space-sm, 8px);
    opacity: 0.5;
}

/* ==================== ZOOM CONTROLS ==================== */
.zoom-controls {
    bottom: var(--space-lg, 16px);
    right: var(--space-lg, 16px);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs, 4px);
    padding: var(--space-sm, 8px);
}

.zoom-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    cursor: pointer;
    font-size: 1.125rem;
    transition: all 0.2s ease;
}

.zoom-btn:hover {
    background: var(--bg-glass-hover);
    border-color: var(--border-default);
    transform: scale(1.05);
}

.zoom-display {
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.688rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 4px 8px;
    background: var(--bg-glass-hover);
    border-radius: 6px;
    margin: var(--space-xs, 4px) 0;
}

/* ==================== KEYBOARD HINTS ==================== */
.keyboard-hint {
    position: absolute;
    bottom: var(--space-lg, 16px);
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-mono);
    font-size: 0.688rem;
    color: var(--text-muted);
    background: var(--bg-glass);
    padding: 6px 12px;
    border-radius: 8px;
    border: 1px solid var(--border-subtle);
    z-index: 100;
}

.keyboard-hint kbd {
    display: inline-block;
    padding: 2px 6px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    margin: 0 2px;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1200px) {
    .properties-panel {
        display: none;
    }
}

@media (max-width: 768px) {
    .top-bar {
        min-width: auto;
        width: calc(100% - 32px);
        padding: var(--space-sm, 8px);
        flex-wrap: wrap;
    }

    .action-buttons .btn-action span:not(.btn-icon) {
        display: none;
    }

    .toolbar-vertical {
        left: var(--space-sm, 8px);
    }

    .zoom-controls {
        right: var(--space-sm, 8px);
        bottom: var(--space-md, 12px);
    }

    .keyboard-hint {
        display: none;
    }
}