/* Theme Switcher Panel */
.theme-switcher {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

.theme-switcher-toggle {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: #111;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.3);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.theme-switcher-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.4);
}

.theme-switcher-panel {
    display: none;
    position: absolute;
    bottom: 64px;
    right: 0;
    background: #111;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    padding: 16px;
    min-width: 220px;
    max-height: 70vh;
    overflow-y: auto;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

.theme-switcher-panel.open {
    display: block;
}

.theme-switcher-panel h3 {
    color: #fff;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin: 0 0 12px 0;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background: none;
    -webkit-text-fill-color: #fff;
}

.theme-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 8px 10px;
    margin-bottom: 4px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 6px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}

.theme-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    color: #fff;
}

.theme-btn.active {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.25);
    color: #fff;
    font-weight: 600;
}

.theme-swatch {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.2);
    flex-shrink: 0;
}