body {
    font-family: 'Inter', sans-serif;
    scroll-behavior: smooth;
}
.notification-enter {
    z-index: 1000;
    animation: fadeInDown 0.5s ease-out forwards;

}
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
input[type=number] {
    -moz-appearance: textfield;
}
.tab-active {
    border-color: #3b82f6; /* blue-500 */
    color: #1e40af; /* blue-800 */
    background-color: #eff6ff; /* blue-50 */
}
.article-content h2 { font-size: 1.5rem; font-weight: 700; margin-top: 2rem; margin-bottom: 1rem; }
.article-content p { margin-bottom: 1rem; line-height: 1.6; }
.article-content ul { list-style-type: disc; margin-left: 1.5rem; margin-bottom: 1rem; }
.spinner {
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top: 2px solid #fff;
    width: 16px;
    height: 16px;
    animation: spin 1s linear infinite;
    display: inline-block;
    margin-right: 8px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}