/* ============================================================
   LightSound Designer — Dark Industrial Theme
   ============================================================ */

:root {
    --lsd-bg-deep:     #0a0a0f;
    --lsd-bg-panel:    #111118;
    --lsd-bg-surface:  #1a1a24;
    --lsd-bg-hover:    #22222e;
    --lsd-bg-active:   #2a2a38;
    --lsd-border:      #2a2a36;
    --lsd-border-lite: #333342;
    --lsd-text:        #e0e0ec;
    --lsd-text-dim:    #8888a0;
    --lsd-text-muted:  #5a5a72;
    --lsd-accent:      #ff6b35;
    --lsd-accent-glow: rgba(255, 107, 53, 0.25);
    --lsd-accent2:     #00d4aa;
    --lsd-accent2-glow:rgba(0, 212, 170, 0.2);
    --lsd-danger:      #ff4466;
    --lsd-warning:     #ffaa22;
    --lsd-success:     #22dd88;
    --lsd-radius:      6px;
    --lsd-radius-sm:   4px;
    --lsd-radius-lg:   10px;
    --lsd-shadow:      0 2px 12px rgba(0,0,0,0.4);
    --lsd-font:        'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    --lsd-font-mono:   'SF Mono', 'Cascadia Code', 'Consolas', monospace;
    --lsd-transition:  150ms ease;
}

/* Reset within plugin */
#lsd-app *, #lsd-app *::before, #lsd-app *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

#lsd-app {
    font-family: var(--lsd-font);
    color: var(--lsd-text);
    background: var(--lsd-bg-deep);
    border-radius: var(--lsd-radius-lg);
    overflow: hidden;
    border: 1px solid var(--lsd-border);
    position: relative;
    line-height: 1.4;
    font-size: 13px;
    -webkit-font-smoothing: antialiased;
}

/* ============================================================
   Toolbar
   ============================================================ */

#lsd-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 48px;
    padding: 0 12px;
    background: var(--lsd-bg-panel);
    border-bottom: 1px solid var(--lsd-border);
    gap: 8px;
    z-index: 100;
}

.lsd-toolbar-left,
.lsd-toolbar-center,
.lsd-toolbar-right {
    display: flex;
    align-items: center;
    gap: 6px;
}

.lsd-toolbar-left { flex: 0 0 auto; }
.lsd-toolbar-center { flex: 1; justify-content: center; }
.lsd-toolbar-right { flex: 0 0 auto; }

.lsd-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 14px;
    color: var(--lsd-accent);
    letter-spacing: -0.02em;
    white-space: nowrap;
}

.lsd-logo svg {
    color: var(--lsd-accent);
}

.lsd-toolbar-sep {
    width: 1px;
    height: 20px;
    background: var(--lsd-border);
    margin: 0 4px;
}

#lsd-zoom-level {
    font-size: 11px;
    color: var(--lsd-text-dim);
    font-family: var(--lsd-font-mono);
    min-width: 38px;
    text-align: center;
}

/* Buttons */
.lsd-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    border: none;
    cursor: pointer;
    font-family: var(--lsd-font);
    font-size: 12px;
    font-weight: 500;
    transition: all var(--lsd-transition);
    white-space: nowrap;
}

.lsd-btn-tool {
    background: transparent;
    color: var(--lsd-text-dim);
    padding: 6px;
    border-radius: var(--lsd-radius-sm);
}

.lsd-btn-tool:hover {
    background: var(--lsd-bg-hover);
    color: var(--lsd-text);
}

.lsd-btn-tool.active {
    background: var(--lsd-accent-glow);
    color: var(--lsd-accent);
}

.lsd-btn-secondary {
    background: var(--lsd-bg-surface);
    color: var(--lsd-text-dim);
    padding: 6px 12px;
    border-radius: var(--lsd-radius);
    border: 1px solid var(--lsd-border);
}

.lsd-btn-secondary:hover {
    background: var(--lsd-bg-hover);
    color: var(--lsd-text);
    border-color: var(--lsd-border-lite);
}

.lsd-btn-primary {
    background: var(--lsd-accent);
    color: #fff;
    padding: 6px 14px;
    border-radius: var(--lsd-radius);
}

.lsd-btn-primary:hover {
    background: #ff7d4d;
    box-shadow: 0 0 16px var(--lsd-accent-glow);
}

.lsd-btn-danger {
    background: transparent;
    color: var(--lsd-danger);
    padding: 6px 12px;
    border-radius: var(--lsd-radius);
    border: 1px solid rgba(255,68,102,0.3);
}

.lsd-btn-danger:hover {
    background: rgba(255,68,102,0.1);
}

/* ============================================================
   Editor Layout
   ============================================================ */

#lsd-editor {
    display: flex;
    height: 700px;
    overflow: hidden;
}

/* ============================================================
   Left Panel: Toolbox
   ============================================================ */

#lsd-toolbox {
    width: 220px;
    min-width: 220px;
    background: var(--lsd-bg-panel);
    border-right: 1px solid var(--lsd-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.lsd-panel-header {
    padding: 10px 14px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--lsd-text-muted);
    border-bottom: 1px solid var(--lsd-border);
    flex-shrink: 0;
}

.lsd-panel-body {
    flex: 1;
    overflow-y: auto;
    padding: 6px 0;
}

.lsd-panel-body::-webkit-scrollbar {
    width: 4px;
}

.lsd-panel-body::-webkit-scrollbar-track {
    background: transparent;
}

.lsd-panel-body::-webkit-scrollbar-thumb {
    background: var(--lsd-border);
    border-radius: 4px;
}

/* Categories */
.lsd-category {
    margin-bottom: 2px;
}

.lsd-category-title {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    font-size: 12px;
    font-weight: 600;
    color: var(--lsd-text-dim);
    cursor: pointer;
    transition: all var(--lsd-transition);
    user-select: none;
}

.lsd-category-title:hover {
    background: var(--lsd-bg-hover);
    color: var(--lsd-text);
}

.lsd-category-title .lsd-chevron {
    margin-left: auto;
    transition: transform 200ms ease;
}

.lsd-category.collapsed .lsd-chevron {
    transform: rotate(-90deg);
}

.lsd-category.collapsed .lsd-category-items {
    display: none;
}

/* Items */
.lsd-category-items {
    padding: 2px 8px 6px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
}

.lsd-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 4px;
    border-radius: var(--lsd-radius);
    cursor: grab;
    transition: all var(--lsd-transition);
    border: 1px solid transparent;
    user-select: none;
}

.lsd-item:hover {
    background: var(--lsd-bg-hover);
    border-color: var(--lsd-border);
}

.lsd-item:active {
    cursor: grabbing;
    background: var(--lsd-bg-active);
    border-color: var(--lsd-accent);
    box-shadow: 0 0 8px var(--lsd-accent-glow);
}

.lsd-item span {
    font-size: 10px;
    color: var(--lsd-text-dim);
    text-align: center;
    line-height: 1.2;
}

/* Item Icons (CSS-drawn) */
.lsd-item-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--lsd-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.lsd-icon-stage {
    background: linear-gradient(135deg, #3a3a50, #2a2a3e);
    border: 1px solid #4a4a60;
    box-shadow: inset 0 -2px 0 rgba(0,0,0,0.3);
}
.lsd-icon-stage::after {
    content: '';
    width: 22px;
    height: 10px;
    background: #555570;
    border-radius: 2px;
}

.lsd-icon-riser {
    background: linear-gradient(135deg, #3a3a50, #2a2a3e);
    border: 1px solid #4a4a60;
}
.lsd-icon-riser::after {
    content: '';
    width: 16px;
    height: 16px;
    background: #4a4a64;
    border-radius: 2px;
    border: 1px dashed #666;
}

.lsd-icon-backdrop {
    background: linear-gradient(180deg, #3a2a4a, #2a2040);
    border: 1px solid #5a4a6a;
}
.lsd-icon-backdrop::after {
    content: '';
    width: 22px;
    height: 20px;
    background: linear-gradient(180deg, #6a5a7a, #4a3a5a);
    border-radius: 2px 2px 0 0;
}

.lsd-icon-truss-straight {
    background: linear-gradient(135deg, #3a3a3a, #2a2a2a);
    border: 1px solid #555;
}
.lsd-icon-truss-straight::after {
    content: '';
    width: 24px;
    height: 6px;
    background: repeating-linear-gradient(90deg, #777 0px, #777 2px, transparent 2px, transparent 5px);
    border-top: 2px solid #888;
    border-bottom: 2px solid #888;
}

.lsd-icon-truss-corner {
    background: linear-gradient(135deg, #3a3a3a, #2a2a2a);
    border: 1px solid #555;
}
.lsd-icon-truss-corner::after {
    content: '';
    width: 16px;
    height: 16px;
    border-top: 3px solid #888;
    border-right: 3px solid #888;
    border-radius: 0 4px 0 0;
}

.lsd-icon-truss-vertical {
    background: linear-gradient(135deg, #3a3a3a, #2a2a2a);
    border: 1px solid #555;
}
.lsd-icon-truss-vertical::after {
    content: '';
    width: 6px;
    height: 24px;
    background: repeating-linear-gradient(0deg, #777 0px, #777 2px, transparent 2px, transparent 5px);
    border-left: 2px solid #888;
    border-right: 2px solid #888;
}

.lsd-icon-movinghead {
    background: radial-gradient(circle at 50% 30%, #ffaa33, #885500);
    border: 1px solid #cc8800;
    border-radius: 50%;
    box-shadow: 0 0 8px rgba(255,170,51,0.4);
}

.lsd-icon-par {
    background: radial-gradient(circle, #ff6b35, #992200);
    border: 1px solid #cc5500;
    border-radius: 50%;
    box-shadow: 0 0 8px rgba(255,107,53,0.4);
}

.lsd-icon-beam {
    background: radial-gradient(circle at 50% 30%, #66ddff, #0066aa);
    border: 1px solid #0088cc;
    border-radius: 50%;
    box-shadow: 0 0 8px rgba(102,221,255,0.4);
}

.lsd-icon-ledbar {
    background: linear-gradient(90deg, #ff3366, #ff6633, #ffcc33, #33ff66, #3366ff, #9933ff);
    border: 1px solid #666;
    border-radius: 2px;
    height: 10px !important;
    width: 28px !important;
    align-self: center;
}

.lsd-icon-followspot {
    background: radial-gradient(circle at 50% 40%, #ffffcc, #ffdd44);
    border: 1px solid #ccaa00;
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(255,255,200,0.5);
}

.lsd-icon-strobe {
    background: radial-gradient(circle, #ffffff, #aaaacc);
    border: 1px solid #888;
    border-radius: 3px;
    box-shadow: 0 0 6px rgba(255,255,255,0.5);
}

.lsd-icon-linearray {
    background: linear-gradient(180deg, #333348, #222236);
    border: 1px solid #4a4a60;
}
.lsd-icon-linearray::after {
    content: '';
    width: 18px;
    height: 20px;
    background: repeating-linear-gradient(180deg, #555570 0px, #555570 4px, #333348 4px, #333348 6px);
    border-radius: 2px;
}

.lsd-icon-sub {
    background: linear-gradient(135deg, #2a2a3e, #1a1a2e);
    border: 1px solid #444460;
}
.lsd-icon-sub::after {
    content: '';
    width: 18px;
    height: 18px;
    border: 2px solid #666680;
    border-radius: 50%;
    background: radial-gradient(circle, #333350, #222240);
}

.lsd-icon-monitor {
    background: linear-gradient(135deg, #333348, #222236);
    border: 1px solid #4a4a60;
}
.lsd-icon-monitor::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 14px solid #555570;
}

.lsd-icon-mixer {
    background: linear-gradient(135deg, #2a2a3e, #1a1a2e);
    border: 1px solid #444460;
}
.lsd-icon-mixer::after {
    content: '';
    width: 20px;
    height: 16px;
    background: repeating-linear-gradient(90deg, #666 0px, #666 1px, transparent 1px, transparent 4px);
    border: 1px solid #555;
    border-radius: 2px;
}

.lsd-icon-cable {
    background: var(--lsd-bg-surface);
    border: 1px solid var(--lsd-border);
}
.lsd-icon-cable::after {
    content: '';
    width: 20px;
    height: 2px;
    background: #888;
    border-radius: 2px;
    box-shadow: 0 -4px 0 #888, 0 4px 0 #888;
}

.lsd-icon-power {
    background: var(--lsd-bg-surface);
    border: 1px solid var(--lsd-border);
}
.lsd-icon-power::after {
    content: '⚡';
    font-size: 16px;
}

.lsd-icon-label {
    background: var(--lsd-bg-surface);
    border: 1px solid var(--lsd-border);
}
.lsd-icon-label::after {
    content: 'T';
    font-size: 16px;
    font-weight: 700;
    color: var(--lsd-text-dim);
}

.lsd-icon-template {
    background: linear-gradient(135deg, var(--lsd-bg-surface), var(--lsd-bg-hover));
    border: 1px solid var(--lsd-border);
}
.lsd-icon-template::after {
    content: '';
    width: 18px;
    height: 14px;
    border: 1px solid var(--lsd-text-muted);
    border-radius: 2px;
}

.lsd-template-item {
    cursor: pointer !important;
}

/* ============================================================
   Canvas Area
   ============================================================ */

#lsd-canvas-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    background:
        radial-gradient(circle at 50% 50%, rgba(20,20,35,1) 0%, rgba(8,8,14,1) 100%);
}

#lsd-canvas-container {
    flex: 1;
    overflow: hidden;
    cursor: crosshair;
}

/* Status Bar */
#lsd-status-bar {
    height: 26px;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 0 12px;
    background: var(--lsd-bg-panel);
    border-top: 1px solid var(--lsd-border);
    font-size: 11px;
    font-family: var(--lsd-font-mono);
    color: var(--lsd-text-muted);
    flex-shrink: 0;
}

/* ============================================================
   Right Panel: Properties
   ============================================================ */

#lsd-properties {
    width: 240px;
    min-width: 240px;
    background: var(--lsd-bg-panel);
    border-left: 1px solid var(--lsd-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.lsd-props-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 200px;
    gap: 12px;
    color: var(--lsd-text-muted);
    text-align: center;
    font-size: 12px;
}

/* Property Form */
.lsd-prop-group {
    padding: 10px 14px;
    border-bottom: 1px solid var(--lsd-border);
}

.lsd-prop-group-title {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--lsd-text-muted);
    margin-bottom: 8px;
}

.lsd-prop-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}

.lsd-prop-row label {
    font-size: 11px;
    color: var(--lsd-text-dim);
    min-width: 50px;
    flex-shrink: 0;
}

.lsd-prop-row input[type="number"],
.lsd-prop-row input[type="text"] {
    flex: 1;
    background: var(--lsd-bg-surface);
    border: 1px solid var(--lsd-border);
    border-radius: var(--lsd-radius-sm);
    padding: 4px 8px;
    font-size: 12px;
    font-family: var(--lsd-font-mono);
    color: var(--lsd-text);
    outline: none;
    transition: border-color var(--lsd-transition);
}

.lsd-prop-row input:focus {
    border-color: var(--lsd-accent);
    box-shadow: 0 0 0 2px var(--lsd-accent-glow);
}

.lsd-prop-row input[type="color"] {
    width: 32px;
    height: 26px;
    padding: 0;
    border: 1px solid var(--lsd-border);
    border-radius: var(--lsd-radius-sm);
    cursor: pointer;
    background: transparent;
}

.lsd-prop-row input[type="range"] {
    flex: 1;
    -webkit-appearance: none;
    height: 4px;
    background: var(--lsd-border);
    border-radius: 2px;
    outline: none;
}

.lsd-prop-row input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--lsd-accent);
    cursor: pointer;
    box-shadow: 0 0 4px var(--lsd-accent-glow);
}

.lsd-prop-actions {
    padding: 10px 14px;
    display: flex;
    gap: 6px;
}

.lsd-prop-actions .lsd-btn {
    flex: 1;
    justify-content: center;
    padding: 6px 8px;
    font-size: 11px;
}

/* ============================================================
   Dialogs
   ============================================================ */

.lsd-dialog {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lsd-dialog-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
}

.lsd-dialog-box {
    position: relative;
    background: var(--lsd-bg-panel);
    border: 1px solid var(--lsd-border);
    border-radius: var(--lsd-radius-lg);
    padding: 24px;
    width: 380px;
    max-width: 90%;
    box-shadow: var(--lsd-shadow);
}

.lsd-dialog-wide {
    width: 560px;
}

.lsd-dialog-box h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--lsd-text);
}

.lsd-form-group {
    margin-bottom: 12px;
}

.lsd-form-group label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--lsd-text-dim);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.lsd-form-group input,
.lsd-form-group select {
    width: 100%;
    background: var(--lsd-bg-surface);
    border: 1px solid var(--lsd-border);
    border-radius: var(--lsd-radius);
    padding: 8px 12px;
    font-size: 13px;
    color: var(--lsd-text);
    font-family: var(--lsd-font);
    outline: none;
    transition: border-color var(--lsd-transition);
}

.lsd-form-group input:focus,
.lsd-form-group select:focus {
    border-color: var(--lsd-accent);
    box-shadow: 0 0 0 2px var(--lsd-accent-glow);
}

.lsd-dialog-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    margin-top: 20px;
}

/* Design list items */
.lsd-design-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    background: var(--lsd-bg-surface);
    border: 1px solid var(--lsd-border);
    border-radius: var(--lsd-radius);
    margin-bottom: 8px;
    cursor: pointer;
    transition: all var(--lsd-transition);
}

.lsd-design-card:hover {
    border-color: var(--lsd-accent);
    background: var(--lsd-bg-hover);
}

.lsd-design-card-info h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--lsd-text);
}

.lsd-design-card-info p {
    font-size: 11px;
    color: var(--lsd-text-muted);
    margin-top: 2px;
}

.lsd-design-card-actions {
    display: flex;
    gap: 4px;
}

.lsd-design-card-actions .lsd-btn {
    padding: 4px 8px;
    font-size: 10px;
}

/* ============================================================
   Toast
   ============================================================ */

.lsd-toast {
    position: absolute;
    bottom: 48px;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--lsd-bg-surface);
    border: 1px solid var(--lsd-border);
    color: var(--lsd-text);
    padding: 8px 20px;
    border-radius: var(--lsd-radius);
    font-size: 12px;
    font-weight: 500;
    z-index: 500;
    box-shadow: var(--lsd-shadow);
    opacity: 0;
    transition: opacity 200ms ease, transform 200ms ease;
    pointer-events: none;
}

.lsd-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.lsd-toast.success {
    border-color: var(--lsd-success);
    color: var(--lsd-success);
}

.lsd-toast.error {
    border-color: var(--lsd-danger);
    color: var(--lsd-danger);
}

/* ============================================================
   Object Label on Canvas
   ============================================================ */

.konvajs-content {
    outline: none !important;
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 900px) {
    #lsd-toolbox {
        width: 180px;
        min-width: 180px;
    }
    #lsd-properties {
        width: 200px;
        min-width: 200px;
    }
    .lsd-category-items {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 700px) {
    #lsd-editor {
        height: 500px;
    }
    #lsd-properties {
        display: none;
    }
    #lsd-toolbox {
        width: 160px;
        min-width: 160px;
    }
}