:root,
[data-theme="orange"] {
    --theme-color: #ff6700;
}
[data-theme="red"] {
    --theme-color: #e3342f;
}
[data-theme="blue"] {
    --theme-color: #2563eb;
}
[data-theme="green"] {
    --theme-color: #16a34a;
}
[data-theme="purple"] {
    --theme-color: #7c3aed;
}
[data-theme="teal"] {
    --theme-color: #0d9488;
}
[data-theme="pink"] {
    --theme-color: #ec4899;
}
[data-theme="cyan"] {
    --theme-color: #06b6d4;
}

.theme-switcher {
    position: fixed;
    left: 20px;
    bottom: 110px;
    z-index: 999;
}
.theme-switcher-trigger {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background: var(--theme-color);
    color: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, .25);
    transition: transform .3s ease;
}
.theme-switcher-trigger:hover {
    transform: rotate(60deg);
}
.theme-switcher-panel {
    display: none;
    position: absolute;
    left: 0;
    bottom: 54px;
    background: #fff;
    padding: 12px;
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .18);
    width: 210px;
}
.theme-switcher-panel.open {
    display: block;
}
.theme-switcher-panel h5 {
    font-size: 14px;
    font-weight: 700;
    margin: 0 0 10px;
    color: #222;
}
.theme-switcher-panel .theme-colors {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.theme-switcher-panel .theme-color-item {
    width: 46px;
    text-align: center;
}
.theme-switcher-panel .theme-dot {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid #fff;
    box-shadow: 0 0 0 1px #ddd;
    transition: transform .2s ease, box-shadow .2s ease;
}
.theme-switcher-panel .theme-dot:hover {
    transform: scale(1.15);
}
.theme-switcher-panel .theme-dot.active {
    box-shadow: 0 0 0 3px var(--theme-color);
}
.theme-switcher-panel .theme-label {
    font-size: 12px;
    display: block;
    text-align: center;
    color: #666;
    margin-top: 2px;
}