/* Hidden by default; shown when body has .show-theme-controls */
.theme-layout-controls { display: none; }
.show-theme-controls .theme-layout-controls {
    display: block;
    position: fixed;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.98);
    padding: 18px 18px 14px 18px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
    z-index: 1000;
}

/* Backdrop overlay shown with controls */
.theme-controls-overlay { display: none; }
.show-theme-controls .theme-controls-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    z-index: 999;
}

.control-group {
    margin-bottom: 10px;
}

.control-group:last-child {
    margin-bottom: 0;
}

.control-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.theme-layout-controls .close-btn {
    position: absolute;
    top: 6px;
    right: 8px;
    border: none;
    background: transparent;
    font-size: 18px;
    cursor: pointer;
    color: #666;
}
.theme-layout-controls .close-btn:hover { color: #000; }

.theme-btn,
.layout-btn {
    padding: 5px 10px;
    margin-right: 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
    background: #fff;
    cursor: pointer;
    transition: all 0.2s ease;
}

.theme-btn:hover,
.layout-btn:hover {
    background: #f0f0f0;
}

/* Dark theme adjustments */
.dark-theme .theme-layout-controls {
    background: rgba(40, 40, 40, 0.9);
    color: #fff;
}

.dark-theme .theme-layout-controls .close-btn { color: #bbb; }
.dark-theme .theme-layout-controls .close-btn:hover { color: #fff; }

.dark-theme .theme-btn,
.dark-theme .layout-btn {
    background: #444;
    border-color: #666;
    color: #fff;
}

.dark-theme .theme-btn:hover,
.dark-theme .layout-btn:hover {
    background: #555;
}