/* Shared styles for FinanceTracker frontend */

.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    vertical-align: middle;
}

.tonal-shift {
    transition: background-color 0.3s ease;
}

.glass-nav {
    backdrop-filter: blur(24px);
}

.glass-panel {
    backdrop-filter: blur(24px);
    background: rgba(255, 255, 255, 0.7);
}

.no-scrollbar::-webkit-scrollbar {
    display: none;
}

.no-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

/* Loading spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(0, 23, 54, 0.1);
    border-top: 4px solid #001736;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Skeleton loading shimmer */
.skeleton {
    background: linear-gradient(90deg, #f2f4f6 25%, #e6e8ea 50%, #f2f4f6 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 8px;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Page transition */
.page-enter {
    animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Modal overlay */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 23, 54, 0.4);
    backdrop-filter: blur(8px);
    z-index: 90;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeInOverlay 0.2s ease-out;
}

@keyframes fadeInOverlay {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: #fff;
    border-radius: 2rem;
    box-shadow: 0 40px 80px -15px rgba(0, 23, 54, 0.12);
    max-width: 480px;
    width: 90%;
    padding: 2rem;
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Empty state */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
}