nav {
    display: flex;
    justify-content: center;
    gap: 2rem;
    padding: 1rem;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--glass-border);
}
nav a {
    color: var(--text);
    text-decoration: none;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
    cursor: pointer;
}
nav a:hover, nav a.active {
    color: var(--primary);
}
.screen {
    display: none;
}
.screen.active {
    display: block;
}
.fab {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--accent), var(--primary));
    color: #000;
    font-size: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 20px rgba(255, 0, 122, 0.5);
    cursor: pointer;
    z-index: 1000;
    border: none;
}
#auth-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
}
.auth-card {
    width: 400px;
    padding: 2rem;
    text-align: center;
}
.class-item:hover {
    background: rgba(255, 255, 255, 0.1) !important;
}
.class-item.selected {
    border-color: var(--primary) !important;
    background: rgba(255, 0, 122, 0.1) !important;
}
.quest-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    margin-bottom: 1rem;
    transition: transform 0.2s;
    cursor: grab;
}
.quest-item:active {
    cursor: grabbing;
}
.quest-item:hover {
    transform: translateX(5px);
}
.quest-item.dragging {
    opacity: 0.5;
    background: var(--primary-low);
}
.btn-delete {
    background: none;
    border: none;
    color: var(--accent);
    cursor: pointer;
    font-size: 0.8rem;
    margin-left: 10px;
    opacity: 0.6;
}
.btn-delete:hover {
    opacity: 1;
}