html{box-sizing:border-box}*,*:before,*:after{box-sizing:inherit}body,html{margin:0;padding:0;height:100%;width:100%;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background-color:#f0f2f5}body.view-iframe{overflow:hidden}body.view-fallback{overflow:auto}.iframe-container{position:relative;width:100%;height:100%}.iframe-container iframe{width:100%;height:100%;border:none}.iframe-controls{position:absolute;top:50%;right:15px;z-index:9999}.panha-logo-container{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:8px}.iframe-corner-logo{display:block;cursor:pointer;border-radius:50%;box-shadow:0 4px 8px rgb(0 0 0 / .2);opacity:.8;transition:opacity 0.2s ease,transform 0.2s ease-in-out}.iframe-corner-logo:hover{transform:scale(1.1);opacity:1}.iframe-corner-logo img{width:60px;height:auto;border-radius:50%;display:block}.panha-menu{display:none;position:absolute;right:100%;margin-right:8px;top:50%;transform:translateY(-50%);background-color:#fff;border-radius:5px;box-shadow:0 4px 8px rgb(0 0 0 / .2);min-width:150px;padding:5px 0;z-index:10000}.panha-menu.show{display:block}.panha-menu a{display:block;padding:10px 15px;color:#333;text-decoration:none;font-size:14px;white-space:nowrap;cursor:pointer}.panha-menu a:hover{background-color:#f0f0f0}.fallback-page{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100%;padding:20px}.fallback-card{background-color:#fff;border-radius:12px;box-shadow:0 8px 30px rgb(0 0 0 / .12);padding:40px;width:100%;max-width:600px;text-align:center}.security-warning{background-color:#fff3cd;color:#856404;border:1px solid #ffeeba;border-radius:8px;padding:15px;margin-bottom:20px;text-align:left}.fallback-logo{max-width:120px;height:auto;margin-bottom:25px}.fallback-card p{font-size:16px;line-height:1.6;color:#333;margin:0 0 25px 0;word-break:break-word}.button-group{display:flex;justify-content:center;align-items:center;gap:10px;width:100%;flex-wrap:wrap}.fallback-button{display:inline-block;padding:14px 28px;background:linear-gradient(45deg,#007bff,#0056b3);color:#fff;text-decoration:none;border:none;border-radius:8px;font-size:18px;font-weight:700;transition:transform 0.2s,box-shadow 0.2s;box-shadow:0 4px 15px rgb(0 123 255 / .3);cursor:pointer}.fallback-button.disabled{background:#adb5bd;cursor:not-allowed;pointer-events:none;box-shadow:none}.fallback-button:not(.disabled):hover{transform:translateY(-2px);box-shadow:0 6px 20px rgb(0 123 255 / .4)}.copy-button{display:inline-flex;align-items:center;justify-content:center;padding:14px;font-size:18px;border-radius:8px;border:2px solid #6c757d;background-color:#fff;color:#6c757d;cursor:pointer;transition:background-color 0.2s,color 0.2s,border-color 0.2s;max-width:100%;text-align:left;line-height:1.4}.copy-button:hover{background-color:#6c757d;color:#fff}.subtext{font-size:13px;color:#6c757d;margin-top:20px;word-wrap:break-word}.subtext strong{color:#495057}.error-message-title{font-size:24px;color:#dc3545;font-weight:700;margin-bottom:15px}.page-footer{margin-top:30px;font-size:12px;color:#888;text-align:center}.page-footer a{color:#555;text-decoration:none}.page-footer a:hover{text-decoration:underline}.loading-spinner{border:8px solid #f3f3f3;border-top:8px solid #007bff;border-radius:50%;width:60px;height:60px;animation:spin 1s linear infinite;margin:0 auto 20px}@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}.loading-text{font-size:18px;color:#6c757d}@media (max-width:640px){.fallback-page{padding:15px}.fallback-card{padding:25px 20px}.fallback-logo{max-width:100px}.fallback-card p{font-size:15px}.error-message-title{font-size:20px}.fallback-button{padding:12px 22px;font-size:16px}.copy-button{padding:12px;font-size:16px}.iframe-controls{top:50%;right:10px}.iframe-corner-logo img{width:50px}.panha-menu{min-width:120px}.panha-menu a{padding:8px 10px;font-size:12px}}