body {
    line-height: 1.6;
    color: #333;
}

input.error,
textarea.error {
    border-color: #d41f1f !important;
    background-color: #fff5f5;
}

.notification {
    border-radius: 4px;
    padding: 1em;
    margin-bottom: 1em;
}

.notification-success {
    background-color: #4caf50;
    color: white;
}

.notification-error {
    background-color: #d41f1f;
    color: white;
}

.notification-info {
    background-color: #2196f3;
    color: white;
}

.notification-warning {
    background-color: #ff9800;
    color: white;
}

/* Loading spinner */
.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #d41f1f;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

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

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border-width: 0;
}

/* Skip to content link */
.skip-to-content {
    position: absolute;
    top: -40px;
    left: 0;
    background: #000;
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 100;
}

.skip-to-content:focus {
    top: 0;
}