/* ============================================
   DEEP SPACE THEME - "CYBER-LUXURY" EDITION
   ============================================ */

:root {
    /* Deep Space Palette */
    --ds-bg: #05070A;
    --ds-surface: rgba(15, 20, 28, 0.7);
    --ds-surface-hover: rgba(20, 28, 40, 0.8);
    --ds-surface-solid: #0F141C;
    --ds-primary: #00F5FF;
    --ds-primary-dim: rgba(0, 245, 255, 0.15);
    --ds-accent: #8A2BE2;
    --ds-accent-dim: rgba(138, 43, 226, 0.15);
    --ds-text: #E6EEF5;
    --ds-text-muted: #94A3B8;
    --ds-text-dim: #475569;
    --ds-success: #10B981;
    --ds-danger: #EF4444;
    --ds-warning: #F59E0B;
    --ds-border: rgba(255, 255, 255, 0.06);
    --ds-border-light: rgba(255, 255, 255, 0.1);
    --ds-glow: 0 0 15px rgba(0, 245, 255, 0.3);
    --ds-glow-sm: 0 0 8px rgba(0, 245, 255, 0.2);
    --ds-glow-accent: 0 0 15px rgba(138, 43, 226, 0.3);
    --ds-transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --ds-transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --ds-blur: blur(20px);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Azeret Mono', 'Fira Code', monospace;

    /* Layout */
    --toolbar-height: 52px;
    --sidebar-width: 64px;
    --left-panel-width: 260px;
    --right-panel-width: 300px;
    --unit: 4px;
    --space-xs: calc(var(--unit) * 2);
    --space-sm: calc(var(--unit) * 3);
    --space-md: calc(var(--unit) * 4);
    --space-lg: calc(var(--unit) * 6);
    --space-xl: calc(var(--unit) * 8);

    /* Legacy aliases (JS compatibility) */
    --color-primary: #00F5FF;
    --color-primary-hover: #00D4DD;
    --color-text: #E6EEF5;
    --color-text-muted: #94A3B8;
    --color-border: rgba(255, 255, 255, 0.06);
    --color-surface: rgba(15, 20, 28, 0.85);
    --color-canvas: #05070A;
    --color-success: #10B981;
    --color-danger: #EF4444;
    --color-warning: #F59E0B;
    --color-accent: #8A2BE2;
    --panel-bg: rgba(10, 14, 20, 0.8);
    --panel-border: rgba(255, 255, 255, 0.06);
}

/* ============================================
   BASE & RESET
   ============================================ */

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

body {
    font-family: var(--font-primary);
    background: var(--ds-bg);
    color: var(--ds-text);
    overflow: hidden;
    height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   KEYFRAME ANIMATIONS
   ============================================ */

@keyframes breathe {
    0%, 100% {
        box-shadow: 0 0 8px rgba(0, 245, 255, 0.15);
        text-shadow: 0 0 8px rgba(0, 245, 255, 0.2);
    }
    50% {
        box-shadow: 0 0 20px rgba(0, 245, 255, 0.45);
        text-shadow: 0 0 15px rgba(0, 245, 255, 0.5);
    }
}

@keyframes breathe-icon {
    0%, 100% { filter: drop-shadow(0 0 4px rgba(0, 245, 255, 0.2)); }
    50% { filter: drop-shadow(0 0 10px rgba(0, 245, 255, 0.6)); }
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; box-shadow: 0 0 4px var(--ds-success); }
    50% { opacity: 0.4; box-shadow: 0 0 10px var(--ds-success); }
}

@keyframes glow-border {
    0%, 100% { border-color: rgba(0, 245, 255, 0.08); }
    50% { border-color: rgba(0, 245, 255, 0.18); }
}

@keyframes twinkle {
    0% { opacity: 0.5; }
    50% { opacity: 1; }
    100% { opacity: 0.6; }
}

@keyframes slide-in-left {
    from { transform: translateX(-20px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ============================================
   STARFIELD BACKGROUND
   ============================================ */

.starfield {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.starfield::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-image:
        linear-gradient(rgba(0, 245, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 245, 255, 0.025) 1px, transparent 1px);
    background-size: 60px 60px;
}

.starfield::after {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 2px; height: 2px;
    border-radius: 50%;
    box-shadow:
        80px 120px 0 0.5px rgba(255,255,255,0.4),
        200px 50px 0 0px rgba(0,245,255,0.5),
        350px 200px 0 0.5px rgba(255,255,255,0.3),
        520px 80px 0 0px rgba(255,255,255,0.5),
        680px 300px 0 0.5px rgba(0,245,255,0.4),
        820px 150px 0 0px rgba(255,255,255,0.3),
        950px 400px 0 0.5px rgba(255,255,255,0.4),
        1100px 60px 0 0px rgba(0,245,255,0.3),
        1250px 350px 0 0.5px rgba(255,255,255,0.5),
        1400px 200px 0 0px rgba(138,43,226,0.5),
        1550px 100px 0 0.5px rgba(255,255,255,0.3),
        1700px 450px 0 0px rgba(0,245,255,0.4),
        120px 500px 0 0px rgba(255,255,255,0.3),
        300px 620px 0 0.5px rgba(0,245,255,0.4),
        470px 550px 0 0px rgba(138,43,226,0.4),
        640px 700px 0 0.5px rgba(255,255,255,0.5),
        800px 580px 0 0px rgba(255,255,255,0.3),
        960px 750px 0 0.5px rgba(0,245,255,0.3),
        1120px 650px 0 0px rgba(255,255,255,0.4),
        1300px 800px 0 0.5px rgba(138,43,226,0.3),
        60px 850px 0 0.5px rgba(0,245,255,0.4),
        230px 920px 0 0px rgba(255,255,255,0.3),
        400px 800px 0 0.5px rgba(255,255,255,0.4),
        580px 950px 0 0px rgba(0,245,255,0.3),
        750px 870px 0 0.5px rgba(138,43,226,0.4),
        920px 1000px 0 0px rgba(255,255,255,0.3),
        1100px 900px 0 0.5px rgba(255,255,255,0.5),
        180px 380px 0 0px rgba(138,43,226,0.3),
        450px 430px 0 0.5px rgba(255,255,255,0.3),
        700px 480px 0 0px rgba(0,245,255,0.5),
        1050px 520px 0 0.5px rgba(255,255,255,0.4),
        1350px 440px 0 0px rgba(255,255,255,0.3),
        550px 160px 0 0px rgba(138,43,226,0.4),
        1000px 280px 0 0.5px rgba(255,255,255,0.3),
        1500px 320px 0 0px rgba(0,245,255,0.4),
        1850px 250px 0 0.5px rgba(255,255,255,0.4),
        1480px 550px 0 0px rgba(255,255,255,0.5),
        1280px 1050px 0 0px rgba(0,245,255,0.3),
        1450px 880px 0 0.5px rgba(255,255,255,0.4),
        1650px 380px 0 0.5px rgba(0,245,255,0.3);
    animation: twinkle 8s ease-in-out infinite alternate;
}

/* ============================================
   BUILDER CONTAINER
   ============================================ */

.builder-container {
    display: grid;
    grid-template-columns: var(--sidebar-width) var(--left-panel-width) 1fr var(--right-panel-width);
    grid-template-rows: var(--toolbar-height) 1fr;
    height: 100vh;
    position: relative;
    z-index: 1;
}

/* ============================================
   GLOBAL HEADER (TOOLBAR)
   ============================================ */

.toolbar {
    grid-column: 1 / -1;
    background: var(--ds-surface);
    backdrop-filter: var(--ds-blur);
    -webkit-backdrop-filter: var(--ds-blur);
    border-bottom: 1px solid var(--ds-border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-lg);
    position: relative;
    z-index: 100;
}

.toolbar-section {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.toolbar-logo {
    font-weight: 700;
    font-size: 15px;
    color: var(--ds-primary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-mono);
    letter-spacing: 2.5px;
    text-shadow: 0 0 20px rgba(0, 245, 255, 0.4);
}

.toolbar-logo i {
    font-size: 20px;
    animation: breathe-icon 3s ease-in-out infinite;
}

.toolbar-divider {
    width: 1px;
    height: 24px;
    background: linear-gradient(to bottom, transparent, var(--ds-border-light), transparent);
    margin: 0 var(--space-md);
}

.toolbar-btn {
    height: 34px;
    padding: 0 var(--space-md);
    background: transparent;
    border: 1px solid var(--ds-border-light);
    border-radius: 6px;
    font-family: var(--font-primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--ds-transition);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--ds-text-muted);
}

.toolbar-btn:hover {
    background: var(--ds-surface-hover);
    border-color: rgba(0, 245, 255, 0.2);
    color: var(--ds-text);
    box-shadow: var(--ds-glow-sm);
}

.toolbar-btn.primary {
    background: rgba(0, 245, 255, 0.1);
    border-color: rgba(0, 245, 255, 0.3);
    color: var(--ds-primary);
}

.toolbar-btn.primary:hover {
    background: rgba(0, 245, 255, 0.2);
    box-shadow: var(--ds-glow);
}

.toolbar-btn.launch-btn {
    background: linear-gradient(135deg, var(--ds-primary), var(--ds-accent));
    border: none;
    color: #fff;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.toolbar-btn.launch-btn:hover {
    box-shadow: 0 0 25px rgba(0, 245, 255, 0.4), 0 0 50px rgba(138, 43, 226, 0.2);
    transform: translateY(-1px);
}

/* Save Indicator */
.save-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--ds-text-muted);
    font-family: var(--font-mono);
    letter-spacing: 0.5px;
}

.save-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--ds-success);
    display: inline-block;
    animation: pulse-dot 2s ease-in-out infinite;
}

/* ============================================
   DEVICE SELECTOR
   ============================================ */

.device-selector {
    display: flex;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--ds-border);
    border-radius: 8px;
    padding: 2px;
}

.device-btn {
    width: 34px;
    height: 30px;
    border: none;
    background: transparent;
    border-radius: 6px;
    cursor: pointer;
    color: var(--ds-text-dim);
    transition: all var(--ds-transition);
    font-size: 14px;
}

.device-btn:hover {
    color: var(--ds-text-muted);
}

.device-btn.active {
    background: rgba(0, 245, 255, 0.1);
    color: var(--ds-primary);
    box-shadow: var(--ds-glow-sm);
}

/* ============================================
   GLASS SIDEBAR
   ============================================ */

.glass-sidebar {
    background: var(--ds-surface);
    backdrop-filter: var(--ds-blur);
    -webkit-backdrop-filter: var(--ds-blur);
    border-right: 1px solid;
    border-image: linear-gradient(to bottom, rgba(0, 245, 255, 0.15), transparent) 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: var(--space-md) 0;
    z-index: 10;
}

.sidebar-nav,
.sidebar-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
}

.sidebar-btn {
    width: 48px;
    height: 48px;
    border: none;
    background: transparent;
    border-radius: 10px;
    cursor: pointer;
    color: var(--ds-text-dim);
    transition: all var(--ds-transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    position: relative;
}

.sidebar-btn i {
    font-size: 16px;
    transition: all var(--ds-transition);
}

.sidebar-label {
    font-size: 8px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    opacity: 0.6;
}

.sidebar-btn:hover {
    background: rgba(0, 245, 255, 0.05);
    color: var(--ds-text-muted);
}

.sidebar-btn.active {
    background: rgba(0, 245, 255, 0.08);
    color: var(--ds-primary);
}

.sidebar-btn.active i {
    animation: breathe-icon 3s ease-in-out infinite;
}

.sidebar-btn.active .sidebar-label {
    color: var(--ds-primary);
    opacity: 1;
}

/* ============================================
   LEFT PANEL (FLOATING INSPECTOR)
   ============================================ */

.left-panel {
    background: var(--ds-surface);
    backdrop-filter: var(--ds-blur);
    -webkit-backdrop-filter: var(--ds-blur);
    border-right: 1px solid;
    border-image: linear-gradient(to bottom, var(--ds-border-light), transparent) 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: slide-in-left 0.5s ease-out;
}

.panel-tabs {
    display: flex;
    border-bottom: 1px solid var(--ds-border);
    background: rgba(0, 0, 0, 0.2);
}

.panel-tab {
    flex: 1;
    height: 40px;
    border: none;
    background: transparent;
    font-family: var(--font-primary);
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--ds-transition);
    position: relative;
    color: var(--ds-text-dim);
    letter-spacing: 0.8px;
    text-transform: uppercase;
}

.panel-tab:hover {
    color: var(--ds-text-muted);
}

.panel-tab.active {
    color: var(--ds-primary);
}

.panel-tab.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 20%;
    right: 20%;
    height: 2px;
    background: var(--ds-primary);
    box-shadow: 0 0 8px rgba(0, 245, 255, 0.5);
    border-radius: 2px;
}

.panel-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-lg);
}

/* ============================================
   COMPONENTS
   ============================================ */

.components-section {
    margin-bottom: var(--space-xl);
}

.section-title {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--ds-text-dim);
    margin-bottom: var(--space-md);
    font-family: var(--font-mono);
}

.components-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
}

.component-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--ds-border);
    border-radius: 8px;
    padding: var(--space-md);
    cursor: grab;
    transition: all var(--ds-transition);
    text-align: center;
}

.component-card:hover {
    border-color: rgba(0, 245, 255, 0.3);
    background: rgba(0, 245, 255, 0.03);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 245, 255, 0.08);
}

.component-card:active {
    cursor: grabbing;
    transform: translateY(0);
}

.component-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto var(--space-sm);
    background: rgba(0, 245, 255, 0.05);
    border: 1px solid rgba(0, 245, 255, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: var(--ds-primary);
    transition: all var(--ds-transition);
}

.component-card:hover .component-icon {
    box-shadow: var(--ds-glow-sm);
    border-color: rgba(0, 245, 255, 0.3);
}

.component-name {
    font-size: 11px;
    font-weight: 500;
    color: var(--ds-text-muted);
}

/* ============================================
   CANVAS
   ============================================ */

.canvas-container {
    background: transparent;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}

.canvas-toolbar {
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--ds-border);
    padding: var(--space-sm) var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    backdrop-filter: blur(10px);
}

.canvas-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 12px;
    color: var(--ds-text-muted);
    font-family: var(--font-mono);
}

.canvas-viewport {
    flex: 1;
    overflow: auto;
    padding: var(--space-xl);
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.canvas-frame {
    background: rgba(10, 14, 20, 0.95);
    border: 1px solid rgba(0, 245, 255, 0.08);
    border-radius: 4px;
    box-shadow:
        0 0 40px rgba(0, 245, 255, 0.03),
        inset 0 0 60px rgba(0, 0, 0, 0.3);
    min-height: 600px;
    width: 100%;
    max-width: 1200px;
    transition: all var(--ds-transition);
    position: relative;
    overflow: hidden;
    animation: glow-border 4s ease-in-out infinite;
}

.canvas-frame.tablet {
    max-width: 768px;
}

.canvas-frame.mobile {
    max-width: 375px;
}

/* ============================================
   CANVAS ELEMENTS
   ============================================ */

.canvas-element {
    position: relative;
    transition: all var(--ds-transition-fast);
    cursor: grab;
}

.canvas-element:hover {
    outline: 1px solid var(--ds-accent);
    outline-offset: 2px;
}

.canvas-element.selected {
    outline: 2px solid var(--ds-primary);
    outline-offset: 2px;
    box-shadow: 0 0 20px rgba(0, 245, 255, 0.08);
}

.canvas-element.dragging {
    opacity: 0.5;
    cursor: grabbing !important;
}

.canvas-element.drag-over-top {
    border-top: 3px solid var(--ds-primary) !important;
    box-shadow: 0 -2px 10px rgba(0, 245, 255, 0.3);
}

.canvas-element.drag-over-bottom {
    border-bottom: 3px solid var(--ds-primary) !important;
    box-shadow: 0 2px 10px rgba(0, 245, 255, 0.3);
}

.canvas-element.drag-over-inside {
    background: rgba(0, 245, 255, 0.05) !important;
    box-shadow: inset 0 0 20px rgba(0, 245, 255, 0.05);
}

/* Element type label (left side) */
.element-label {
    position: absolute;
    top: -22px;
    left: 0;
    background: var(--ds-accent);
    color: white;
    font-size: 9px;
    font-family: var(--font-mono);
    padding: 2px 8px;
    border-radius: 3px;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--ds-transition-fast);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.canvas-element:hover .element-label,
.canvas-element.selected .element-label {
    opacity: 1;
}

/* Floating "Edit" indicator (right side) */
.canvas-element::after {
    content: '\270E  Edit';
    position: absolute;
    top: -22px;
    right: 0;
    background: rgba(0, 245, 255, 0.1);
    color: var(--ds-primary);
    font-size: 9px;
    font-family: var(--font-mono);
    padding: 2px 8px;
    border-radius: 3px;
    border: 1px solid rgba(0, 245, 255, 0.2);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--ds-transition-fast);
    letter-spacing: 0.5px;
}

.canvas-element:hover::after {
    opacity: 1;
}

.canvas-element.selected::after {
    content: '\25C6  Active';
    opacity: 1;
    background: rgba(0, 245, 255, 0.08);
    border-color: var(--ds-primary);
}

/* ============================================
   DROP ZONE
   ============================================ */

.drop-zone {
    min-height: 100px;
    border: 1px dashed rgba(0, 245, 255, 0.12);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ds-text-dim);
    font-size: 13px;
    margin: var(--space-md);
    transition: all var(--ds-transition);
}

.drop-zone.active {
    border-color: var(--ds-primary);
    background: rgba(0, 245, 255, 0.03);
    box-shadow: inset 0 0 30px rgba(0, 245, 255, 0.05);
}

/* ============================================
   RIGHT PANEL
   ============================================ */

.right-panel {
    background: var(--ds-surface);
    backdrop-filter: var(--ds-blur);
    -webkit-backdrop-filter: var(--ds-blur);
    border-left: 1px solid;
    border-image: linear-gradient(to bottom, var(--ds-border-light), transparent) 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* ============================================
   PROPERTIES / FORM CONTROLS
   ============================================ */

.properties-section {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--ds-border);
}

.property-group {
    margin-bottom: var(--space-lg);
}

.property-label {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--ds-text-dim);
    margin-bottom: var(--space-sm);
    font-family: var(--font-mono);
}

.property-control {
    width: 100%;
    height: 36px;
    padding: 0 var(--space-sm);
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(0, 245, 255, 0.15);
    border-radius: 0;
    font-family: var(--font-primary);
    font-size: 13px;
    color: var(--ds-text);
    transition: all var(--ds-transition);
    background-image: linear-gradient(var(--ds-primary), var(--ds-primary));
    background-size: 0% 2px;
    background-position: center bottom;
    background-repeat: no-repeat;
}

.property-control:focus {
    outline: none;
    border-bottom-color: transparent;
    background-size: 100% 2px;
    box-shadow: none;
}

.property-control::placeholder {
    color: var(--ds-text-dim);
}

select.property-control {
    background-color: rgba(15, 20, 28, 0.6);
    border: 1px solid var(--ds-border-light);
    border-radius: 6px;
    background-image: none;
    cursor: pointer;
    -webkit-appearance: auto;
}

select.property-control:focus {
    border-color: var(--ds-primary);
    background-size: 0 0;
    box-shadow: var(--ds-glow-sm);
}

textarea.property-control {
    padding: var(--space-sm);
    min-height: 60px;
    resize: vertical;
}

.property-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xs);
}

.color-input-wrapper {
    display: flex;
    gap: var(--space-sm);
}

.color-swatch {
    width: 36px;
    height: 36px;
    border-radius: 6px;
    border: 1px solid var(--ds-border-light);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all var(--ds-transition);
}

.color-swatch:hover {
    border-color: var(--ds-primary);
    box-shadow: var(--ds-glow-sm);
}

.color-swatch input[type="color"] {
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    border: none;
    cursor: pointer;
}

/* ============================================
   EMPTY STATES
   ============================================ */

.empty-state {
    text-align: center;
    padding: var(--space-xl);
    color: var(--ds-text-dim);
}

.empty-state-icon {
    font-size: 48px;
    color: rgba(0, 245, 255, 0.1);
    margin-bottom: var(--space-md);
}

/* ============================================
   PREVIEW MODE
   ============================================ */

.preview-mode .element-label {
    display: none !important;
}

.preview-mode .canvas-element::after {
    display: none !important;
}

.preview-mode .canvas-element:hover {
    outline: none !important;
}

.preview-mode .canvas-element.selected {
    outline: none !important;
}

.preview-mode .canvas-element {
    cursor: default !important;
}

.preview-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--ds-bg);
    z-index: 9999;
    display: none;
    padding: 60px 20px 20px;
}

.preview-overlay.active {
    display: block;
}

.preview-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 60px;
    background: var(--ds-surface);
    backdrop-filter: var(--ds-blur);
    border-bottom: 1px solid var(--ds-border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
    z-index: 10000;
}

.preview-header h2 {
    color: var(--ds-primary);
    font-size: 0.95rem;
    font-weight: 600;
    font-family: var(--font-mono);
    letter-spacing: 1px;
    text-shadow: 0 0 10px rgba(0, 245, 255, 0.3);
}

.preview-close {
    background: linear-gradient(135deg, var(--ds-primary), var(--ds-accent));
    color: white;
    border: none;
    padding: 0.5rem 1.5rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all var(--ds-transition);
}

.preview-close:hover {
    box-shadow: 0 0 20px rgba(0, 245, 255, 0.3);
    transform: translateY(-1px);
}

.preview-frame {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 4px;
    overflow: auto;
    border: 1px solid rgba(0, 245, 255, 0.1);
}

/* ============================================
   LAYERS PANEL
   ============================================ */

.layers-search-wrapper {
    position: sticky;
    top: 0;
    background: var(--ds-surface);
    margin: calc(-1 * var(--space-lg)) calc(-1 * var(--space-lg)) var(--space-sm) calc(-1 * var(--space-lg));
    padding: var(--space-sm) var(--space-lg);
    z-index: 1;
}

.layers-search {
    width: 100%;
    height: 32px;
    padding: 0 var(--space-sm) 0 32px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--ds-border);
    border-radius: 6px;
    font-family: var(--font-primary);
    font-size: 12px;
    color: var(--ds-text);
    transition: all var(--ds-transition);
}

.layers-search:focus {
    outline: none;
    border-color: var(--ds-primary);
    box-shadow: var(--ds-glow-sm);
    background: rgba(0, 245, 255, 0.03);
}

.layers-search::placeholder {
    color: var(--ds-text-dim);
}

.layers-search-icon {
    position: absolute;
    left: calc(var(--space-lg) + 10px);
    top: 50%;
    transform: translateY(-50%);
    font-size: 11px;
    color: var(--ds-text-dim);
    pointer-events: none;
}

#layers-panel {
    position: relative;
}

.layer-item {
    height: 30px;
    display: flex;
    align-items: center;
    padding-right: var(--space-sm);
    cursor: pointer;
    transition: all var(--ds-transition-fast);
    border-left: 2px solid transparent;
    user-select: none;
}

.layer-item:hover {
    background: rgba(0, 245, 255, 0.04);
}

.layer-item.active {
    border-left-color: var(--ds-primary);
    background: rgba(0, 245, 255, 0.08);
}

.layer-item-icon {
    width: 20px;
    font-size: 11px;
    text-align: center;
    flex-shrink: 0;
}

.layer-item-icon.layout {
    color: var(--ds-primary);
}

.layer-item-icon.content {
    color: var(--ds-accent);
}

.layer-item-name {
    flex: 1;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-left: var(--space-xs);
    color: var(--ds-text-muted);
}

.layer-item.active .layer-item-name {
    color: var(--ds-text);
}

.layer-item-actions {
    opacity: 0;
    transition: opacity var(--ds-transition-fast);
    flex-shrink: 0;
}

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

.layer-item-actions button {
    width: 22px;
    height: 22px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 11px;
    color: var(--ds-text-dim);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--ds-transition-fast);
}

.layer-item-actions button:hover {
    background: rgba(0, 245, 255, 0.1);
    color: var(--ds-primary);
}

.layer-item.layer-hidden {
    opacity: 0.3;
}

.layer-item.layer-hidden .layer-item-name {
    text-decoration: line-through;
}

/* ============================================
   PROJECTS OVERLAY
   ============================================ */

.projects-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(5, 7, 10, 0.95);
    backdrop-filter: var(--ds-blur);
    z-index: 9999;
    display: none;
    padding: 80px 40px 40px;
    overflow-y: auto;
}

.projects-overlay.active {
    display: block;
}

.projects-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
}

.projects-header h2 {
    color: var(--ds-primary);
    font-size: 1.5rem;
    font-weight: 600;
    font-family: var(--font-mono);
    letter-spacing: 2px;
    text-shadow: 0 0 15px rgba(0, 245, 255, 0.3);
}

.projects-header-actions {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

.projects-close {
    width: 36px;
    height: 36px;
    border: 1px solid var(--ds-border-light);
    background: transparent;
    color: var(--ds-text-muted);
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--ds-transition);
}

.projects-close:hover {
    background: rgba(0, 245, 255, 0.05);
    border-color: var(--ds-primary);
    color: var(--ds-primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.project-card {
    background: var(--ds-surface);
    backdrop-filter: var(--ds-blur);
    border: 1px solid var(--ds-border);
    border-radius: 10px;
    padding: var(--space-lg);
    transition: all var(--ds-transition);
    cursor: pointer;
}

.project-card:hover {
    background: var(--ds-surface-hover);
    border-color: rgba(0, 245, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 245, 255, 0.08);
}

.project-card-name {
    color: var(--ds-text);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.project-card-desc {
    color: var(--ds-text-dim);
    font-size: 12px;
    margin-bottom: var(--space-md);
}

.project-card-date {
    color: var(--ds-text-dim);
    font-size: 11px;
    font-family: var(--font-mono);
}

.project-card-actions {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.project-card-actions button {
    flex: 1;
    height: 32px;
    border: 1px solid var(--ds-border-light);
    background: transparent;
    color: var(--ds-text-muted);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--ds-transition);
}

.project-card-actions button:hover {
    background: rgba(0, 245, 255, 0.05);
}

.project-card-actions .btn-open {
    background: linear-gradient(135deg, var(--ds-primary), var(--ds-accent));
    border-color: transparent;
    color: white;
}

.project-card-actions .btn-open:hover {
    box-shadow: var(--ds-glow);
}

.project-card-actions .btn-delete:hover {
    background: rgba(239, 68, 68, 0.15);
    border-color: var(--ds-danger);
    color: var(--ds-danger);
}

/* ============================================
   MODAL OVERLAY
   ============================================ */

.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(5, 7, 10, 0.8);
    backdrop-filter: blur(10px);
    z-index: 10001;
    display: none;
    align-items: center;
    justify-content: center;
}

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

.modal-content {
    background: var(--ds-surface-solid);
    border: 1px solid var(--ds-border-light);
    border-radius: 12px;
    padding: var(--space-xl);
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 245, 255, 0.05);
}

.modal-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--ds-text);
}

.modal-actions {
    display: flex;
    gap: var(--space-sm);
    justify-content: flex-end;
    margin-top: var(--space-lg);
}

/* ============================================
   PAGES DROPDOWN
   ============================================ */

.breadcrumb-project {
    cursor: pointer;
    transition: color var(--ds-transition);
    color: var(--ds-text-muted);
}

.breadcrumb-project:hover {
    color: var(--ds-primary);
}

.breadcrumb-sep {
    color: var(--ds-text-dim);
    margin: 0 2px;
}

.pages-dropdown {
    position: relative;
}

.pages-dropdown-btn {
    background: transparent;
    border: none;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--ds-text);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 2px 6px;
    border-radius: 4px;
    transition: all var(--ds-transition);
}

.pages-dropdown-btn:hover {
    background: rgba(0, 245, 255, 0.05);
}

.pages-dropdown-btn i {
    font-size: 8px;
    color: var(--ds-text-dim);
}

.pages-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 180px;
    background: var(--ds-surface-solid);
    border: 1px solid var(--ds-border-light);
    border-radius: 8px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4), 0 0 15px rgba(0, 245, 255, 0.05);
    padding: var(--space-xs) 0;
    display: none;
    z-index: 200;
}

.pages-dropdown-menu.active {
    display: block;
}

.pages-dropdown-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 12px;
    font-size: 13px;
    cursor: pointer;
    transition: background var(--ds-transition-fast);
    color: var(--ds-text-muted);
}

.pages-dropdown-item:hover {
    background: rgba(0, 245, 255, 0.05);
}

.pages-dropdown-item.active {
    color: var(--ds-primary);
    font-weight: 600;
}

.pages-dropdown-item .page-delete-btn {
    width: 20px;
    height: 20px;
    border: none;
    background: transparent;
    color: var(--ds-text-dim);
    cursor: pointer;
    border-radius: 3px;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all var(--ds-transition-fast);
}

.pages-dropdown-item:hover .page-delete-btn {
    opacity: 1;
}

.pages-dropdown-item .page-delete-btn:hover {
    background: rgba(239, 68, 68, 0.15);
    color: var(--ds-danger);
}

.pages-dropdown-divider {
    height: 1px;
    background: var(--ds-border);
    margin: var(--space-xs) 0;
}

.pages-dropdown-add {
    display: flex;
    align-items: center;
    gap: 6px;
    width: 100%;
    padding: 6px 12px;
    border: none;
    background: transparent;
    font-size: 13px;
    color: var(--ds-primary);
    cursor: pointer;
    font-weight: 500;
    transition: background var(--ds-transition-fast);
}

.pages-dropdown-add:hover {
    background: rgba(0, 245, 255, 0.05);
}

.pages-add-btn {
    width: 28px;
    height: 28px;
    border: 1px solid var(--ds-border-light);
    background: transparent;
    border-radius: 6px;
    cursor: pointer;
    font-size: 11px;
    color: var(--ds-text-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--ds-transition);
}

.pages-add-btn:hover {
    border-color: var(--ds-primary);
    color: var(--ds-primary);
    background: rgba(0, 245, 255, 0.05);
    box-shadow: var(--ds-glow-sm);
}

/* ============================================
   BUTTON GROUP
   ============================================ */

.btn-group {
    display: flex;
    border: 1px solid var(--ds-border-light);
    border-radius: 6px;
    overflow: hidden;
}

.btn-group-item {
    flex: 1;
    height: 34px;
    border: none;
    border-right: 1px solid var(--ds-border);
    background: rgba(255, 255, 255, 0.02);
    cursor: pointer;
    font-size: 12px;
    color: var(--ds-text-dim);
    transition: all var(--ds-transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-group-item:last-child {
    border-right: none;
}

.btn-group-item:hover {
    background: rgba(0, 245, 255, 0.05);
    color: var(--ds-text-muted);
}

.btn-group-item.active {
    background: rgba(0, 245, 255, 0.15);
    color: var(--ds-primary);
    box-shadow: inset 0 0 10px rgba(0, 245, 255, 0.1);
}

.dimension-row {
    display: flex;
    gap: var(--space-xs);
    align-items: center;
}

.dimension-row .property-control {
    flex: 1;
}

.unit-select {
    width: 60px;
    height: 36px;
    padding: 0 4px;
    background: rgba(15, 20, 28, 0.6);
    border: 1px solid var(--ds-border-light);
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--ds-text);
    cursor: pointer;
    transition: all var(--ds-transition);
}

.unit-select:focus {
    outline: none;
    border-color: var(--ds-primary);
}

/* ============================================
   RESIZE HANDLES
   ============================================ */

.resize-handle {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--ds-primary);
    border: 1px solid var(--ds-bg);
    border-radius: 2px;
    z-index: 50;
    pointer-events: auto;
    box-shadow: var(--ds-glow-sm);
}

.resize-handle.top-left     { top: -4px; left: -4px; cursor: nwse-resize; }
.resize-handle.top-center   { top: -4px; left: calc(50% - 4px); cursor: ns-resize; }
.resize-handle.top-right    { top: -4px; right: -4px; cursor: nesw-resize; }
.resize-handle.middle-left  { top: calc(50% - 4px); left: -4px; cursor: ew-resize; }
.resize-handle.middle-right { top: calc(50% - 4px); right: -4px; cursor: ew-resize; }
.resize-handle.bottom-left  { bottom: -4px; left: -4px; cursor: nesw-resize; }
.resize-handle.bottom-center{ bottom: -4px; left: calc(50% - 4px); cursor: ns-resize; }
.resize-handle.bottom-right { bottom: -4px; right: -4px; cursor: nwse-resize; }

/* ============================================
   CHART DATA EDITOR
   ============================================ */

.chart-data-editor {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.chart-data-row {
    display: flex;
    gap: 4px;
    align-items: center;
}

.chart-data-row button {
    width: 24px;
    height: 24px;
    border: none;
    background: transparent;
    color: var(--ds-danger);
    cursor: pointer;
    font-size: 14px;
    flex-shrink: 0;
    transition: all var(--ds-transition-fast);
}

.chart-data-row button:hover {
    background: rgba(239, 68, 68, 0.1);
    border-radius: 4px;
}

.chart-data-add {
    margin-top: 4px;
    height: 28px;
    border: 1px dashed var(--ds-border-light);
    background: transparent;
    color: var(--ds-primary);
    cursor: pointer;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    width: 100%;
    transition: all var(--ds-transition);
}

.chart-data-add:hover {
    background: rgba(0, 245, 255, 0.05);
    border-color: var(--ds-primary);
}

/* ============================================
   MODAL COMPONENT (canvas)
   ============================================ */

.builder-modal-panel {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(5, 7, 10, 0.7);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.builder-modal-panel.visible {
    display: flex;
}

.builder-modal-card {
    background: var(--ds-surface-solid);
    border: 1px solid var(--ds-border-light);
    border-radius: 12px;
    padding: 32px;
    width: 100%;
    max-width: 480px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 30px rgba(0, 245, 255, 0.05);
    position: relative;
}

.builder-modal-card h3 {
    margin: 0 0 12px;
    font-size: 1.2rem;
    color: var(--ds-text);
}

.builder-modal-card p {
    margin: 0 0 20px;
    color: var(--ds-text-muted);
    font-size: 14px;
}

.builder-modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 28px;
    height: 28px;
    border: 1px solid var(--ds-border-light);
    background: transparent;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    color: var(--ds-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--ds-transition-fast);
}

.builder-modal-close:hover {
    background: rgba(0, 245, 255, 0.1);
    border-color: var(--ds-primary);
    color: var(--ds-primary);
}

/* ============================================
   VIDEO COMPONENT
   ============================================ */

.video-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

.video-placeholder i {
    font-size: 48px;
    color: rgba(0, 245, 255, 0.3);
}

/* ============================================
   COLUMN CELLS
   ============================================ */

.column-cell {
    flex: 1;
    min-height: 80px;
    border: 1px dashed var(--ds-border-light);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ds-text-dim);
    font-size: 12px;
    transition: all var(--ds-transition);
}

.column-cell:hover {
    border-color: rgba(0, 245, 255, 0.2);
}

/* ============================================
   LAYOUT CONTROLS
   ============================================ */

.property-sublabel {
    font-size: 10px;
    color: var(--ds-text-dim);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.flex-item-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-xs);
}

.flex-item-grid .property-control {
    font-size: 12px;
    height: 32px;
}

/* ============================================
   NAVBAR COMPONENT
   ============================================ */

.navbar-brand {
    font-weight: 700;
    font-size: 18px;
    color: white;
}

.navbar-links {
    display: flex;
    list-style: none;
    gap: 24px;
    margin: 0;
    padding: 0;
}

.navbar-links li a {
    text-decoration: none;
    color: white;
    font-size: 14px;
    font-weight: 500;
    transition: opacity 150ms;
}

.navbar-links li a:hover {
    opacity: 0.75;
}

.navbar-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
    padding: 4px 8px;
}

.canvas-frame.mobile .navbar-toggle,
.canvas-frame.tablet .navbar-toggle {
    display: block;
}

.canvas-frame.mobile .navbar-links,
.canvas-frame.tablet .navbar-links {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 0;
    padding-top: 12px;
}

.canvas-frame.mobile .nav-open .navbar-links,
.canvas-frame.tablet .nav-open .navbar-links {
    display: flex;
}

.canvas-frame.mobile .navbar-links li a,
.canvas-frame.tablet .navbar-links li a {
    display: block;
    padding: 8px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.preview-frame .navbar-toggle {
    display: none;
}

@media (max-width: 768px) {
    .preview-frame .navbar-toggle {
        display: block;
    }
    .preview-frame .navbar-links {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 0;
        padding-top: 12px;
    }
    .preview-frame .nav-open .navbar-links {
        display: flex;
    }
    .preview-frame .navbar-links li a {
        display: block;
        padding: 8px 0;
        border-top: 1px solid rgba(255,255,255,0.1);
    }
}

/* ============================================
   COLUMN CELL CONTAINERS
   ============================================ */

.column-cell.canvas-element {
    flex: 1;
    min-height: 80px;
    border: 1px dashed var(--ds-border-light);
    border-radius: 6px;
    position: relative;
    transition: border-color var(--ds-transition-fast);
}

.column-cell.canvas-element:hover {
    border-color: var(--ds-primary);
}

.column-cell-placeholder {
    padding: 20px;
    text-align: center;
    color: var(--ds-text-dim);
    font-size: 12px;
    font-family: var(--font-mono);
    letter-spacing: 0.5px;
    pointer-events: none;
}

/* ============================================
   USER MENU & DROPDOWN
   ============================================ */

.user-menu {
    position: relative;
}

.user-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 4px;
    background: var(--ds-surface-solid);
    border: 1px solid var(--ds-border-light);
    border-radius: 8px;
    min-width: 180px;
    padding: 4px;
    z-index: 1000;
    backdrop-filter: var(--ds-blur);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.user-dropdown.active {
    display: block;
}

.user-dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px 12px;
    border: none;
    background: transparent;
    color: var(--ds-text-muted);
    font-family: var(--font-primary);
    font-size: 13px;
    cursor: pointer;
    border-radius: 6px;
    transition: all var(--ds-transition-fast);
}

.user-dropdown-item:hover {
    background: var(--ds-primary-dim);
    color: var(--ds-text);
}

.user-dropdown-item.danger:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--ds-danger);
}

/* Auth message styles for password modal */
.auth-message {
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 13px;
    margin-bottom: 12px;
    display: none;
    font-weight: 500;
}

.auth-message.error {
    display: block;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--ds-danger);
}

.auth-message.success {
    display: block;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--ds-success);
}

/* ============================================
   UTILITY
   ============================================ */

.hidden {
    display: none !important;
}

/* ============================================
   SCROLLBAR
   ============================================ */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: rgba(0, 245, 255, 0.1);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 245, 255, 0.25);
}