/* Toast animations */
.toast-enter {
    animation: toastIn 0.3s ease-out forwards;
}
.toast-exit {
    animation: toastOut 0.3s ease-in forwards;
}
@keyframes toastIn {
    from { opacity: 0; transform: translateX(100%); }
    to { opacity: 1; transform: translateX(0); }
}
@keyframes toastOut {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0; transform: translateX(100%); }
}

/* Modal backdrop */
.modal-backdrop {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.2s ease-out;
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Loading spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #e5e7eb;
    border-top-color: #3b82f6;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Page transition */
#app {
    animation: pageIn 0.2s ease-out;
}
@keyframes pageIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Star rating */
.star-filled { color: #f59e0b; }
.star-empty { color: #d1d5db; }
.star-half {
    background: linear-gradient(90deg, #f59e0b 50%, #d1d5db 50%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Active nav link */
.nav-link.active {
    background-color: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
}

/* User dropdown menu */
.dropdown-menu:not(.hidden) {
    animation: dropdownIn 0.15s ease-out;
}
@keyframes dropdownIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Skeleton loading */
.skeleton {
    background: linear-gradient(90deg, #f3f4f6 25%, #e5e7eb 50%, #f3f4f6 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 0.375rem;
}
@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}