/* Spectrum Page Layout */

html, body {
    margin: 0 !important;
    padding: 0 !important;
    overflow: hidden;
    height: 100%;
    background: transparent;
}

.fullscreen-background {
    position: fixed;
    inset: 0;
    z-index: -1;
}

.fullscreen-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Main content fills viewport below header, above drawer
   with breathing room so the background scene peeks through */
.main-content {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 90px 32px 92px 32px;
    box-sizing: border-box;
    display: flex;
    z-index: 10;
    margin: 0;
}

.spectrum-visualization {
    flex: 1;
    display: flex;
    min-height: 0;
    margin: 0;
    padding: 0;
}

.spectrum-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: white;
    min-height: 0;
    margin: 0;
    padding: 0;
    border: 3px solid var(--user-color, var(--reverie-core-color, #734ba1));
    border-radius: 0;
    box-shadow: 0 6px 28px rgba(0, 0, 0, 0.18);
    overflow: hidden;
}

.canvas-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    min-height: 0;
    margin: 0;
    padding: 0;
}

#spectrumCanvas {
    flex: 1;
    width: 100%;
    min-height: 0;
    cursor: grab;
    background: linear-gradient(135deg, #fefefe, #f9f7fb);
}

#spectrumCanvas:active { cursor: grabbing; }

/* Loading */
.loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    transition: opacity 0.5s;
}
.loading-overlay.hidden { opacity: 0; pointer-events: none; }
.loading-content { text-align: center; }
.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #e0d4e8;
    border-top-color: var(--reverie-core-color, #734ba1);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}
.loading-text { color: var(--reverie-core-color, #734ba1); font-weight: 600; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Control Bar */
.spectrum-control-bar {
    background: linear-gradient(135deg, var(--reverie-core-color, #734ba1), color-mix(in srgb, var(--reverie-core-color, #734ba1) 80%, black));
    color: white;
    padding: 12px 24px;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-shrink: 0;
}
.control-bar-section { display: flex; align-items: center; gap: 12px; }
.control-toggle-inline { display: flex; align-items: center; gap: 8px; cursor: pointer; padding: 4px 10px; }
.control-toggle-inline input { display: none; }
.toggle-slider-inline { width: 36px; height: 20px; background: rgba(255,255,255,0.3); position: relative; }
.toggle-slider-inline::before { content: ''; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; background: white; transition: transform 0.3s; }
.control-toggle-inline input:checked + .toggle-slider-inline { background: rgba(255,255,255,0.5); }
.control-toggle-inline input:checked + .toggle-slider-inline::before { transform: translateX(16px); }
.toggle-label-inline { font-size: 0.85em; font-weight: 500; }
.control-bar-views { display: flex; gap: 6px; }
.view-btn-bar, .action-btn-bar {
    padding: 6px 14px;
    background: rgba(255,255,255,0.2);
    border: 1px solid rgba(255,255,255,0.3);
    color: white;
    cursor: pointer;
    font-size: 0.85em;
    font-weight: 600;
    transition: all 0.2s;
}
.view-btn-bar:hover, .action-btn-bar:hover { background: rgba(255,255,255,0.3); }
.view-btn-bar.active { background: white; color: var(--reverie-core-color, #734ba1); }
.action-btn-bar.disabled, .action-btn-bar:disabled { opacity: 0.4; cursor: not-allowed; }
.action-btn-bar.action-btn-icon { padding: 0; width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; }

/* Floating Actions */
.spectrum-floating-actions {
    position: fixed;
    bottom: 96px;
    left: 44px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 100;
}
.floating-action-btn {
    padding: 12px 20px;
    background: linear-gradient(135deg, var(--reverie-core-color, #734ba1), color-mix(in srgb, var(--reverie-core-color, #734ba1) 80%, black));
    border: 2px solid rgba(255,255,255,0.3);
    color: white;
    cursor: pointer;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
    display: flex;
    align-items: center;
    gap: 8px;
}
.floating-action-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(0,0,0,0.3); }
.floating-action-btn.disabled { opacity: 0.4; cursor: not-allowed; }

/* Timeline */
.spectrum-timeline-scrubber { display: none; align-items: center; gap: 8px; padding: 8px 12px; background: rgba(255,255,255,0.95); border: 2px solid #d0c7f0; }
.timeline-label { font-size: 0.7rem; font-weight: 600; color: #666; text-transform: uppercase; }
.timeline-slider { flex: 1; min-width: 120px; height: 4px; -webkit-appearance: none; background: linear-gradient(to right, #d0c7f0, var(--reverie-core-color, #734ba1)); cursor: pointer; }
.timeline-slider::-webkit-slider-thumb { -webkit-appearance: none; width: 14px; height: 14px; background: var(--reverie-core-color, #734ba1); border: 2px solid white; border-radius: 50%; cursor: grab; }
.timeline-slider::-moz-range-thumb { width: 14px; height: 14px; background: var(--reverie-core-color, #734ba1); border: 2px solid white; border-radius: 50%; cursor: grab; }
.timeline-time { font-size: 0.75rem; font-weight: 600; color: var(--reverie-core-color, #734ba1); min-width: 45px; text-align: right; }

/* Responsive */
@media (max-width: 1200px) {
    .main-content { padding: 82px 24px 88px 24px; }
    .spectrum-control-bar { padding: 10px 16px; gap: 12px; }
}

@media (max-width: 768px) {
    .main-content { padding: 70px 14px 80px 14px; }
    .spectrum-container { border-width: 2px; }
    .spectrum-control-bar { flex-direction: column; padding: 12px; }
    .control-bar-section { justify-content: center; }
    .control-bar-views { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
    .spectrum-floating-actions { bottom: 78px; left: 22px; }
    .floating-action-btn { padding: 10px 14px; font-size: 0.85em; }
}

@media (max-width: 480px) {
    .main-content { padding: 62px 8px 74px 8px; }
    .spectrum-container { border-width: 2px; }
    .spectrum-floating-actions { bottom: 72px; left: 16px; }
    .floating-action-btn { padding: 8px 12px; font-size: 0.8em; }
}