/* Properties Sidebar Styles */
#properties-sidebar {
    position: fixed;
    right: -320px; /* Hidden by default */
    top: 60px; /* Below header */
    bottom: 0;
    width: 300px;
    background: var(--panel-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-left: 1px solid var(--panel-border);
    box-shadow: -10px 0 25px rgba(0, 0, 0, 0.3);
    transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 900;
    display: flex;
    flex-direction: column;
    color: var(--text-color);
}

#properties-sidebar.open {
    right: 0;
}

.sidebar-header {
    padding: 18px 20px;
    border-bottom: 1px solid var(--panel-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sidebar-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 800;
    color: var(--accent-color);
}

.close-sidebar {
    cursor: pointer;
    font-size: 20px;
    color: var(--sub-text);
    transition: color 0.2s;
}

.close-sidebar:hover {
    color: var(--text-color);
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 24px 20px;
}

.prop-group {
    margin-bottom: 20px;
}

.prop-row {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.prop-row .prop-group {
    flex: 1;
    margin-bottom: 0;
}

.prop-group.horizontal {
    display: flex;
    align-items: center;
    gap: 12px;
}

.prop-group.horizontal label {
    flex: 0 0 80px;
    margin-bottom: 0;
}

.prop-group.horizontal .prop-input {
    flex: 1;
}

.prop-group label {
    display: block;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--sub-text);
    margin-bottom: 8px;
    font-weight: 700;
}

.prop-input {
    width: 100%;
    background: var(--item-bg);
    border: 1px solid var(--panel-border);
    border-radius: 8px;
    padding: 9px 12px;
    color: var(--text-color);
    font-size: 14px;
    outline: none;
    transition: all 0.2s;
}

.prop-input:focus {
    border-color: var(--accent-color);
    background: var(--item-hover-bg);
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--panel-border);
    display: flex;
    gap: 12px;
    background: rgba(var(--bg-rgb), 0.05);
}

.btn-apply {
    flex: 1;
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 12px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 700;
    transition: all 0.2s;
}

.btn-apply:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

/* Toggle Switch Styles */
.toggle-group {
    margin-bottom: 24px;
}

.toggle-switch {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    padding: 12px 14px;
    background: var(--item-bg);
    border: 1px solid var(--panel-border);
    border-radius: 12px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.toggle-switch:hover {
    background: var(--item-hover-bg);
    border-color: var(--accent-color);
}

.toggle-switch span {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-color);
}

.toggle-switch input {
    display: none;
}

.switch-slider {
    position: relative;
    width: 36px;
    height: 20px;
    background: #475569;
    border-radius: 20px;
    transition: background 0.3s;
}

.switch-slider:before {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    left: 2px;
    top: 2px;
    background: white;
    border-radius: 50%;
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.toggle-switch input:checked + .switch-slider {
    background: var(--accent-color);
}

.toggle-switch input:checked + .switch-slider:before {
    transform: translateX(16px);
}

/* Multi-Selection Alignment UI */
.alignment-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-top: 12px;
}

.align-btn {
    aspect-ratio: 1;
    background: var(--item-bg);
    border: 1px solid var(--panel-border);
    border-radius: 8px;
    color: var(--sub-text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: all 0.2s;
}

.align-btn:hover:not(:disabled) {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.align-btn:disabled {
    opacity: 0.2;
    cursor: not-allowed;
}

/* Color Input Consistency */
.input-with-color {
    display: flex;
    gap: 8px;
    align-items: center;
}

.input-with-color .prop-input[type="color"] {
    width: 44px;
    height: 38px;
    padding: 3px;
    cursor: pointer;
    flex-shrink: 0;
}

.input-with-color .prop-input[type="color"]::-webkit-color-swatch {
    border: 1px solid var(--panel-border);
    border-radius: 4px;
}

/* Danger variant for toggle-switch */
.toggle-switch.danger input:checked + .switch-slider {
    background: #ef4444;
}