/* Loading overlay */
#loading-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 9999; }
.loading-overlay-backdrop { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(255, 255, 255, 0.7); }
.loading-overlay-spinner { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); text-align: center; }
.loading-spinner { width: 40px; height: 40px; margin: 0 auto 10px; border: 4px solid #ddd; border-top-color: #333; border-radius: 50%; animation: spin 0.8s linear infinite; }
.loading-text { font-size: 14px; color: #333; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Captcha */
.captcha-img { max-width: 100%; width: 250px; }
.captcha-container { margin-bottom: 10px; }
.captcha-reset-link { display: inline-block; padding-top: 10px; color: #000; }

/* Modal title */
.modal-title-sm { font-size: 1.1em; }