:root {
    --app-bg: #09090b;
    --panel-bg: rgba(24, 24, 27, 0.75);
    --panel-border: rgba(255, 255, 255, 0.1);
    --accent-color: #3b82f6;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --blur-amount: 16px;
}

/* Local Fonts Registry */
@font-face { font-family: 'Gruppo'; src: url('fonts/Gruppo-Regular.ttf'); }
@font-face { font-family: 'Kodchasan'; src: url('fonts/Kodchasan-Regular.ttf'); }
@font-face { font-family: 'Meow Script'; src: url('fonts/MeowScript-Regular.ttf'); }
@font-face { font-family: 'Sacramento'; src: url('fonts/Sacramento-Regular.ttf'); }
@font-face { font-family: 'Megrim'; src: url('fonts/Megrim-Regular.ttf'); }
@font-face { font-family: 'Sue Ellen Francisco'; src: url('fonts/SueEllenFrancisco-Regular.ttf'); }
@font-face { font-family: 'Julius Sans One'; src: url('fonts/JuliusSansOne-Regular.ttf'); }
@font-face { font-family: 'Wire One'; src: url('fonts/WireOne-Regular.ttf'); }
@font-face { font-family: 'Poiret One'; src: url('fonts/PoiretOne-Regular.ttf'); }
@font-face { font-family: 'Syncopate'; src: url('fonts/Syncopate-Regular.ttf'); }
@font-face { font-family: 'Yellowtail'; src: url('fonts/Yellowtail-Regular.ttf'); }
@font-face { font-family: 'Text Me One'; src: url('fonts/TextMeOne-Regular.ttf'); }
@font-face { font-family: 'Tulpen One'; src: url('fonts/TulpenOne-Regular.ttf'); }
@font-face { font-family: 'Neonderthaw'; src: url('fonts/Neonderthaw-Regular.ttf'); }
@font-face { font-family: 'Ms Madi'; src: url('fonts/MsMadi-Regular.ttf'); }
@font-face { font-family: 'Vampiro One'; src: url('fonts/VampiroOne-Regular.ttf'); }

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--app-bg);
    color: var(--text-primary);
    overflow: hidden;
}

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.1); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.2); }

/* Sidebar Specific Scrollbar */
.scrollable-controls::-webkit-scrollbar { width: 4px; }
.scrollable-controls::-webkit-scrollbar-thumb { background: rgba(59, 130, 246, 0.3); }
.scrollable-controls::-webkit-scrollbar-thumb:hover { background: var(--accent-color); }

.app-container { display: flex; height: 100vh; width: 100vw; }

/* ================= PREVIEW SECTION ================= */
.preview-section {
    flex: 1;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: #111;
    transition: background 0.5s ease;
    overflow: hidden;
}

.bg-overlay {
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background-image: radial-gradient(circle at center, transparent 0%, rgba(0,0,0,0.6) 100%);
    pointer-events: none;
    z-index: 1;
}

.preview-section.bg-living { background: url('bg/living_room.png') center/cover; }
.preview-section.bg-gaming { background: url('bg/gaming_setup.png') center/cover; }
.preview-section.bg-grass  { background: url('bg/grass_wall.png') center/cover; }

.bg-switcher-wrapper {
    position: absolute;
    top: 24px;
    right: 24px;
    z-index: 100;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
}
.upload-callout {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    animation: bounce 2s infinite;
    padding-right: 4px;
}
.upload-arrow { width: 16px; height: 16px; }
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-5px); }
    60% { transform: translateY(-3px); }
}
.bg-switcher {
    display: flex;
    gap: 12px;
    background: rgba(15, 15, 18, 0.4);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    padding: 8px 16px;
    border-radius: 999px; /* Pill Shape */
    border: 1px solid rgba(255, 255, 255, 0.1);
    align-items: center;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}
.bg-option {
    width: 28px;
    height: 28px;
    border-radius: 50%; /* Rounded buttons */
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    background-size: cover;
    background-position: center;
}
.bg-option:hover { transform: scale(1.1); }
.bg-option.active { border-color: #fff; box-shadow: 0 0 10px rgba(255,255,255,0.3); }

.bg-option.upload-btn {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.15);
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    width: 32px;
    height: 32px;
}
.bg-option.upload-btn:hover { background: rgba(255,255,255,0.12); }

/* ================= NEON CANVAS ================= */
.neon-container {
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    z-index: 2;
    overflow: hidden;
}

/* Fonts loading overlay */
.fonts-loading {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    color: rgba(255,255,255,0.5); font-size: 1.1rem; letter-spacing: 0.05em;
    animation: pulse 1.5s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 0.4; } 50% { opacity: 1; } }

/* ================= WORD NODES ================= */
.word-node {
    position: absolute;
    display: flex; align-items: center; justify-content: center;
    user-select: none;
    touch-action: none;
    will-change: transform;
}

/* Word loader placeholder (while font loads) */
.word-loader {
    font-size: 3.5rem; font-weight: 300; color: rgba(255,255,255,0.2);
    letter-spacing: 0.05em; padding: 16px; pointer-events: none;
}

/* Selection bounding box */
.word-node.selected::after {
    content: '';
    position: absolute; inset: 0;
    border: 1.5px solid #3b82f6;
    border-radius: 4px;
    pointer-events: none;
    z-index: 10;
    box-shadow: 0 0 0 1px rgba(59,130,246,0.2);
}

/* Unified Sign Node */
.unified-sign {
    transition: none; /* Smooth is bad for dragging */
}

/* Selection Box & Interaction Layer */
.selection-box {
    position: absolute;
    inset: 0;
    border: 1.5px solid var(--accent-color);
    pointer-events: none;
    z-index: 40;
}

.sign-handle {
    position: absolute;
    width: 12px;
    height: 12px;
    background: #fff;
    border: 2px solid var(--accent-color);
    z-index: 50;
    pointer-events: auto;
    cursor: pointer;
}

.sign-handle.tl { top: -6px; left: -6px; cursor: nw-resize; }
.sign-handle.tr { top: -6px; right: -6px; cursor: ne-resize; }
.sign-handle.tm { top: -6px; left: 50%; transform: translateX(-50%); cursor: n-resize; }
.sign-handle.bl { bottom: -6px; left: -6px; cursor: sw-resize; }
.sign-handle.br { bottom: -6px; right: -6px; cursor: se-resize; }

/* Selection Visibility: Hide handles and badge unless selected */
.selection-box, .sign-handle, .dim-badge {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}
.unified-sign.selected .selection-box, .unified-sign.selected .sign-handle, .unified-sign.selected .dim-badge {
    opacity: 1;
    pointer-events: auto;
}

/* Dimension Badge (The Blue Pill) */
.dim-badge {
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-color);
    color: #fff;
    padding: 6px 16px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
    z-index: 60;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}
.dim-badge::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid var(--accent-color);
}

/* Dimension Ruler Lines */
.ruler-line { 
    position: absolute; 
    background: rgba(255,255,255,0.25); 
    z-index: 35; 
    transition: opacity 0.2s;
}
.unified-sign:not(.selected) .ruler-line {
    background: rgba(255,255,255,0.15); /* Even subtler when not selected */
}

/* Liquid Glass Metrics Badge */
.liquid-glass-badge {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 40px;
    padding: 10px 24px;
    color: #fff;
    font-size: 0.95rem;
    font-weight: 500;
    z-index: 100;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    display: flex;
    align-items: center;
    gap: 12px;
    letter-spacing: 0.02em;
}

.liquid-glass-badge strong {
    color: var(--accent-color);
}

/* ================= FLOATING CONTEXT MENU ================= */
.floating-context-menu {
    position: absolute; z-index: 200;
    background: rgba(15,15,20,0.9);
    border: 1px solid rgba(255,255,255,0.12);
    backdrop-filter: blur(16px);
    border-radius: 14px; padding: 10px 12px;
    display: flex; flex-direction: column; gap: 8px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.6);
    transition: opacity 0.15s, transform 0.15s;
    user-select: none;
    transform: translateX(-50%);
    min-width: 300px;
}
.floating-context-menu.hidden {
    opacity: 0; pointer-events: none; transform: translateX(-50%) translateY(8px);
}
.menu-row { display: flex; align-items: center; gap: 8px; }

/* Font Gallery */
.ctx-font-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    max-height: 300px;
    overflow-y: auto;
    padding: 8px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    border: 1px solid var(--panel-border);
}

.full-panel-gallery {
    max-height: 400px;
    grid-template-columns: 1fr; /* Single column for better readability in sidebar */
}

.font-item {
    background: rgba(255,255,255,0.05);
    color: #fff;
    border: 1px solid var(--panel-border);
    border-radius: 10px;
    padding: 16px 12px;
    text-align: center;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.font-item::after {
    content: attr(data-font-name);
    font-size: 0.65rem;
    font-family: 'Outfit', sans-serif;
    opacity: 0.5;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.font-item:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-2px);
    border-color: rgba(255,255,255,0.3);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.font-item.active {
    background: rgba(59, 130, 246, 0.15);
    border-color: var(--accent-color);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.3);
}

.ctx-size-tools {
    display: flex; align-items: center;
    background: rgba(255,255,255,0.06); border: 1px solid var(--panel-border);
    border-radius: 8px; overflow: hidden;
}
.ctx-size-tools button {
    background: transparent; color: #fff; border: none;
    width: 32px; height: 34px; cursor: pointer; font-size: 1.1rem; font-weight: bold;
    transition: background 0.15s;
}
.ctx-size-tools button:hover { background: rgba(255,255,255,0.1); }
.ctx-size-tools span { font-size: 0.8rem; padding: 0 8px; width: 46px; text-align: center; color: var(--accent-color); font-weight: 600; }

.ctx-color-grid { display: flex; gap: 7px; padding: 2px; flex-wrap: wrap; }
.ctx-color-btn {
    width: 24px; height: 24px; border-radius: 50%;
    cursor: pointer; border: 2px solid transparent;
    transition: transform 0.15s; position: relative; flex-shrink: 0;
}
.ctx-color-btn:hover { transform: scale(1.15); }
.ctx-color-btn.active { border-color: #ffffff; transform: scale(1.2); box-shadow: 0 0 8px var(--item-glow); }
.ctx-color-btn::after {
    content: ''; position: absolute; top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 80%; height: 80%; border-radius: 50%;
    background-color: var(--item-color);
}

/* ================= CONTROL PANEL ================= */
.control-panel {
    width: 400px; min-width: 400px;
    background: var(--panel-bg); backdrop-filter: blur(var(--blur-amount));
    border-left: 1px solid var(--panel-border);
    display: flex; flex-direction: column; z-index: 20;
    box-shadow: -10px 0 30px rgba(0,0,0,0.5);
}

.panel-header { padding: 24px 28px; border-bottom: 1px solid var(--panel-border); }
.panel-header h1 { font-size: 1.5rem; font-weight: 600; margin-bottom: 4px; }
.panel-header p { color: var(--text-secondary); font-size: 0.92rem; }

.scrollable-controls {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 32px; /* Increased gap for step separation */
}

/* Sidebar Section Titles (The Step Labels) */
.section-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: 0.02em;
    text-transform: none; /* Reference image uses Mixed Case */
}

.control-block {
    position: relative;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.control-block:last-child { border-bottom: none; }
.control-block label { 
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px; 
    font-size: 0.95rem; 
    font-weight: 600; 
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

textarea {
    width: 100%; background: rgba(0, 0, 0, 0.35); border: 1px solid var(--panel-border);
    border-radius: 10px; padding: 14px; color: #fff; font-family: inherit; font-size: 1rem;
    resize: vertical; outline: none; transition: border-color 0.2s; line-height: 1.5;
}
textarea:focus { border-color: var(--accent-color); }
textarea::placeholder { color: rgba(255,255,255,0.25); }

.text-metrics { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; font-size: 0.85rem; color: var(--text-secondary); }
.text-metrics .hint { font-size: 0.75rem; color: var(--accent-color); font-weight: 500; }

/* Backboard Shape Grid */
.backboard-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}
.bb-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--panel-border);
    border-radius: 10px;
    padding: 12px 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.2s;
}
.bb-card:hover { background: rgba(255,255,255,0.08); transform: translateY(-2px); }
.bb-card.active { border-color: var(--accent-color); background: rgba(59, 130, 246, 0.1); }
.bb-card span { font-size: 0.72rem; font-weight: 500; text-align: center; color: var(--text-secondary); }
.bb-card.active span { color: #fff; }

.bb-icon { width: 32px; height: 32px; background: rgba(255,255,255,0.1); border-radius: 4px; border: 1.5px solid rgba(255,255,255,0.2); }
.bb-card.active .bb-icon { border-color: var(--accent-color); background: rgba(59,130,246,0.2); }

/* Material / Backing Color Grid */
.backing-color-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.color-swatch {
    background: rgba(255,255,255,0.03); border: 1px solid var(--panel-border);
    border-radius: 10px; padding: 12px 8px; display: flex; flex-direction: column; align-items: center; gap: 8px;
    cursor: pointer; transition: all 0.2s;
}
.color-swatch:hover { background: rgba(255,255,255,0.08); transform: translateY(-2px); }
.color-swatch.active { border-color: var(--accent-color); background: rgba(59, 130, 246, 0.1); }
.color-swatch span { font-size: 0.72rem; font-weight: 500; color: var(--text-secondary); }
.color-swatch.active span { color: #fff; }

.swatch-preview { width: 100%; height: 24px; border-radius: 4px; border: 1px solid rgba(255,255,255,0.1); }
.acrylic-preview { background: rgba(200, 220, 255, 0.3); backdrop-filter: blur(4px); }
.black-preview   { background: #000; }
.white-preview   { background: #fff; }

/* Neon Animations */
@keyframes neon-rgb {
    0%   { filter: hue-rotate(0deg); }
    100% { filter: hue-rotate(360deg); }
}
.neon-rgb-anim { 
    animation: neon-rgb 8s linear infinite; 
}

/* Horizontal Flow Animation */
.neon-flow-anim {
    fill: url(#flow-grad);
}

/* UI Elements: Sliders */
.sub-control {
    margin: 16px 0;
}
.sub-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}
.sub-label span:last-child { color: var(--accent-color); font-weight: 600; }

.neon-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 4px;
    background: rgba(255,255,255,0.1);
    border-radius: 2px;
    outline: none;
}
.neon-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: var(--accent-color);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px var(--accent-color);
    transition: transform 0.15s;
}
.neon-slider::-webkit-slider-thumb:hover { transform: scale(1.2); }

.preview-section.bg-black { background: #000; }
.preview-section.bg-living { background: url('bg/living_room.png') center/cover; }
.preview-section.bg-gaming { background: url('bg/gaming_setup.png') center/cover; }
.preview-section.bg-office { background: url('bg/office.png') center/cover; }
.preview-section.bg-grass  { background: url('bg/grass_wall.png') center/cover; }
.preview-section.bg-brick  { background: url('bg/brick_wall.png') center/cover; }
.preview-section.bg-vignette { background: url('bg/brick_vignette.png') center/cover; }

/* Size Selection Grid (Cards) */
.size-card-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.size-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 16px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.size-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.2);
}
.size-card.active {
    border-color: #ff2a85;
    background: rgba(255, 42, 133, 0.05);
    box-shadow: 0 0 15px rgba(255, 42, 133, 0.15);
}
.size-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
}
.size-dims {
    font-size: 0.72rem;
    color: var(--text-secondary);
    font-weight: 500;
}
.size-card.active .size-name { color: #fff; }

.custom-size-inputs {
    background: rgba(15, 15, 18, 0.4);
    padding: 16px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.size-input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.size-input-group label {
    font-size: 0.72rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 6px;
}
.size-input-group input {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 999px; /* Rounded pill style */
    padding: 10px 18px;
    color: #fff;
    font-size: 0.9rem;
    font-weight: 600;
    outline: none;
    transition: all 0.2s;
    text-align: center;
    width: 100%;
}
.size-input-group input:focus { border-color: #ff2a85; background: rgba(255,255,255,0.06); }
.size-input-group input[readonly] { cursor: not-allowed; opacity: 0.6; }

/* Sidebar Section Headers */
.section-title {
    font-size: 1.1rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #fff;
    margin-bottom: 20px;
}

/* Backing Cards */
.bb-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 20px 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: all 0.2s;
}
.bb-card.active {
    border-color: var(--accent-color);
    background: rgba(59, 130, 246, 0.1);
}
.bb-icon {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.05);
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.1);
}
.bb-card.active .bb-icon {
    border-color: var(--accent-color);
    background: rgba(59, 130, 246, 0.2);
}

/* Materials / Material Bars */
.backing-color-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}
.color-swatch {
    flex-direction: row;
    justify-content: flex-start;
    padding: 10px 16px;
    gap: 16px;
}
.swatch-preview {
    width: 60px;
    height: 24px;
    border-radius: 6px;
}

 /* Sidebar Global Selectors */
 .global-color-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding: 12px;
    background: rgba(15, 15, 18, 0.4);
    border: 1px solid var(--panel-border);
    border-radius: 14px;
    max-height: 350px;
    overflow-y: auto;
}

.neon-color-button {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.neon-color-button:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.25);
}

.neon-color-button.active {
    background: rgba(59, 130, 246, 0.15);
    border-color: var(--accent-color);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.2);
}

.color-status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--dot-color);
    box-shadow: 0 0 8px var(--dot-color);
    flex-shrink: 0;
}

.neon-color-button.active .color-status-dot {
    transform: scale(1.1);
    box-shadow: 0 0 12px var(--dot-color);
}

.neon-color-button span {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
}

.neon-color-button.active span {
    color: #fff;
    font-weight: 600;
}

.neon-select {
    width: 100%;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid var(--panel-border);
    border-radius: 10px;
    padding: 12px;
    color: #fff;
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
}
.neon-select:focus { border-color: var(--accent-color); }
.neon-select option { background: #18181b; color: #fff; }

/* Footer */
.panel-footer { padding: 22px 28px; background: rgba(10,10,14,0.9); border-top: 1px solid var(--panel-border); }
.price-breakdown { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.price-label { font-size: 1rem; font-weight: 500; }
.price-value { font-size: 2rem; font-weight: 700; color: #10b981; }
.checkout-btn { width: 100%; padding: 15px; background: var(--accent-color); color: #fff; border: none; border-radius: 10px; font-size: 1.05rem; font-weight: 600; font-family: inherit; cursor: pointer; transition: background 0.2s, transform 0.1s; }
.checkout-btn:hover { background: #2563eb; }
.checkout-btn:active { transform: translateY(2px); }
.shipping-notice { text-align: center; font-size: 0.82rem; color: var(--text-secondary); margin-top: 12px; }

@media (max-width: 1024px) {
    .app-container { flex-direction: column; overflow-y: auto; }
    .preview-section { min-height: 50vh; width: 100%; }
    .control-panel { width: 100%; min-width: 100%; border-left: none; border-top: 1px solid var(--panel-border); }
}
/* ================= CART STYLES ================= */
.cart-toggle-btn {
    background: rgba(15, 15, 18, 0.4);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    cursor: pointer;
    position: relative;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    margin-bottom: 8px;
}
.cart-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: scale(1.05);
    border-color: var(--accent-color);
}
.cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--accent-color);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    min-width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 4px;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
}

.cart-sidebar {
    position: fixed;
    top: 0;
    right: -420px; /* Hidden by default */
    width: 400px;
    height: 100vh;
    background: rgba(10, 10, 12, 0.85);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -20px 0 50px rgba(0,0,0,0.5);
}
.cart-sidebar.open {
    right: 0;
}

.cart-header {
    padding: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.cart-header h2 { font-size: 1.25rem; font-weight: 700; letter-spacing: 0.02em; }
.close-cart {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.2s;
}
.close-cart:hover { color: #fff; }

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.empty-cart-msg {
    text-align: center;
    color: var(--text-secondary);
    margin-top: 40px;
    font-style: italic;
}

.cart-item {
    display: flex;
    gap: 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 14px;
    padding: 12px;
    position: relative;
    transition: transform 0.2s;
}
.cart-item:hover { transform: translateX(-4px); background: rgba(255, 255, 255, 0.05); }

.cart-item-img {
    width: 80px;
    height: 80px;
    background: #000;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
}
.cart-item-img svg { width: 90%; height: 90%; }

.cart-item-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.cart-item-name { font-size: 0.95rem; font-weight: 600; color: #fff; }
.cart-item-details { font-size: 0.72rem; color: var(--text-secondary); line-height: 1.4; }
.cart-item-price { font-size: 1rem; font-weight: 700; color: #10b981; margin-top: 4px; }

.remove-item-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: color 0.2s;
}
.remove-item-btn:hover { color: #ff4b4b; }

.cart-footer {
    padding: 24px;
    background: rgba(0, 0, 0, 0.2);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.cart-subtotal {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}
.cart-subtotal span:first-child { color: var(--text-secondary); font-weight: 500; }
.cart-subtotal span:last-child { font-size: 1.25rem; font-weight: 700; color: #fff; }

.checkout-now-btn {
    width: 100%;
    padding: 14px;
    background: var(--accent-color);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}
.checkout-now-btn:hover { background: #2563eb; }

.continue-shopping-btn {
    width: 100%;
    padding: 12px;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}
.continue-shopping-btn:hover { background: rgba(255, 255, 255, 0.05); color: #fff; }

@media (max-width: 480px) {
    .cart-sidebar { width: 100%; right: -100%; }
}