/* 4D VIEWR Scene Editor — Dark Theme */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg-dark: #0a0e14;
    --bg-panel: #111820;
    --bg-card: #182028;
    --bg-input: #1e2830;
    --border: #2a3540;
    --text: #d0d8e0;
    --text-dim: #6a7a8a;
    --accent: #4a90b8;
    --accent-hover: #5aa0c8;
    --accent-glow: rgba(74, 144, 184, 0.3);
    --danger: #c0392b;
    --success: #2ecc71;
}

html, body {
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    overflow: hidden;
}

/* TOP BAR */
#topbar {
    height: 50px;
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    z-index: 100;
}

#topbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

#logo {
    font-size: 18px;
    font-weight: 800;
    background: linear-gradient(135deg, #4a90b8, #6ab8d0, #2ecc71);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 1px;
}

#scene-name {
    font-size: 14px;
    color: var(--text-dim);
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid transparent;
    outline: none;
    min-width: 120px;
}

#scene-name:hover, #scene-name:focus {
    border-color: var(--border);
    background: var(--bg-input);
    color: var(--text);
}

#topbar-right {
    display: flex;
    gap: 8px;
}

#topbar-right button {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

#btn-preview {
    background: var(--bg-card);
    color: var(--text);
    border: 1px solid var(--border) !important;
}

#btn-preview:hover {
    background: var(--bg-input);
}

#btn-save {
    background: var(--accent);
    color: white;
}

#btn-save:hover {
    background: var(--accent-hover);
    box-shadow: 0 0 15px var(--accent-glow);
}

#btn-share {
    background: var(--success);
    color: white;
}

#btn-share:hover {
    opacity: 0.9;
}

/* MAIN LAYOUT */
#app {
    display: flex;
    height: calc(100vh - 50px);
}

/* LEFT PANEL */
#panel-left {
    width: 240px;
    min-width: 240px;
    background: var(--bg-panel);
    border-right: 1px solid var(--border);
    padding: 16px;
    overflow-y: auto;
}

#panel-left h3 {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-dim);
    margin: 16px 0 8px 0;
}

#panel-left h3:first-child {
    margin-top: 0;
}

.tool-section {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.tool-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
}

.tool-btn:hover:not(.disabled) {
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 0 10px var(--accent-glow);
}

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

.tool-icon {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

/* TRIGGER IMAGE */
#trigger-section {
    margin-bottom: 8px;
}

#trigger-preview {
    width: 100%;
    height: 140px;
    background: var(--bg-card);
    border: 2px dashed var(--border);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    overflow: hidden;
    transition: border-color 0.2s;
    position: relative;
}

#trigger-preview:hover {
    border-color: var(--accent);
}

#trigger-placeholder {
    text-align: center;
    color: var(--text-dim);
    font-size: 12px;
    line-height: 1.6;
}

#trigger-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.hint {
    font-size: 11px;
    color: var(--text-dim);
    margin-top: 6px;
    line-height: 1.4;
}

/* OBJECT LIST */
#object-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.object-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.15s;
}

.object-item:hover, .object-item.selected {
    border-color: var(--accent);
    background: rgba(108, 92, 231, 0.15);
}

.object-item .obj-icon {
    font-size: 14px;
    width: 20px;
    text-align: center;
}

.object-item .obj-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.object-item .obj-delete {
    color: var(--text-dim);
    cursor: pointer;
    font-size: 14px;
    opacity: 0;
    transition: opacity 0.15s;
}

.object-item:hover .obj-delete {
    opacity: 1;
}

.object-item .obj-delete:hover {
    color: var(--danger);
}

/* VIEWPORT */
#viewport {
    flex: 1;
    position: relative;
    background: var(--bg-dark);
}

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

#viewport-hint {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 11px;
    color: var(--text-dim);
    background: rgba(0,0,0,0.6);
    padding: 6px 14px;
    border-radius: 20px;
    pointer-events: none;
}

/* RIGHT PANEL */
#panel-right {
    width: 260px;
    min-width: 260px;
    background: var(--bg-panel);
    border-left: 1px solid var(--border);
    padding: 16px;
    overflow-y: auto;
}

#panel-right h3 {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-dim);
    margin-bottom: 12px;
}

#panel-right h4 {
    font-size: 12px;
    color: var(--text);
    margin: 12px 0 6px 0;
}

.prop-section {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.prop-section:last-child {
    border-bottom: none;
}

.prop-section label {
    display: block;
    font-size: 11px;
    color: var(--text-dim);
    margin: 8px 0 4px 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.prop-section textarea,
.prop-section input[type="number"] {
    width: 100%;
    padding: 8px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text);
    font-size: 13px;
    font-family: inherit;
    outline: none;
    resize: vertical;
}

.prop-section textarea:focus,
.prop-section input[type="number"]:focus {
    border-color: var(--accent);
}

.prop-section input[type="range"] {
    width: calc(100% - 40px);
    vertical-align: middle;
    accent-color: var(--accent);
}

.prop-section input[type="range"] + span {
    display: inline-block;
    width: 32px;
    text-align: right;
    font-size: 11px;
    color: var(--text-dim);
}

.prop-section input[type="color"] {
    width: 40px;
    height: 30px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--bg-input);
    cursor: pointer;
    padding: 2px;
}

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

.prop-row label {
    display: inline;
    min-width: 14px;
    margin: 0;
    text-transform: none;
    font-size: 12px;
    color: var(--text-dim);
}

.prop-row input[type="number"] {
    width: 70px;
    padding: 6px;
    font-size: 12px;
}

.checkbox-label {
    display: flex !important;
    align-items: center;
    gap: 6px;
    font-size: 12px !important;
    text-transform: none !important;
    cursor: pointer;
    margin-top: 6px !important;
}

.checkbox-label input[type="checkbox"] {
    accent-color: var(--accent);
}

#prop-image-change {
    padding: 6px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text);
    cursor: pointer;
    font-size: 12px;
    margin-top: 6px;
}

#prop-image-change:hover {
    background: var(--accent);
    border-color: var(--accent);
}

#prop-image-preview {
    width: 100%;
    height: 80px;
    background: var(--bg-card);
    border-radius: 4px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

#prop-image-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.danger-btn {
    width: 100%;
    padding: 8px;
    background: transparent;
    border: 1px solid var(--danger);
    border-radius: 4px;
    color: var(--danger);
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    transition: all 0.2s;
}

.danger-btn:hover {
    background: var(--danger);
    color: white;
}

/* MODAL */
#modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.7);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

#modal {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 12px;
    width: 400px;
    max-width: 90vw;
    max-height: 80vh;
    overflow-y: auto;
}

#modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

#modal-header h3 {
    font-size: 16px;
    color: var(--text);
}

#modal-close {
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 24px;
    cursor: pointer;
    padding: 0 4px;
}

#modal-close:hover {
    color: var(--text);
}

#modal-body {
    padding: 20px;
}

/* GRID FLOOR STYLING (handled in JS via Three.js) */

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

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

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