.ttfl-form{--tt:#d71920;--border:#e4e7ec;--text:#1f2937;max-width:760px;color:var(--text)}
.ttfl-form *{box-sizing:border-box}.ttfl-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.ttfl-field{margin:0 0 14px}.ttfl-grid .ttfl-field{margin:0}
.ttfl-field label{display:block;font-weight:600;margin-bottom:7px}.ttfl-field input,.ttfl-field select,.ttfl-field textarea{width:100%;min-height:46px;border:1px solid var(--border);border-radius:8px;background:#fff;padding:10px 12px;font:inherit;box-shadow:none;outline:none;transition:.2s}
.ttfl-field textarea{min-height:112px;resize:vertical}.ttfl-field input:focus,.ttfl-field select:focus,.ttfl-field textarea:focus{border-color:var(--tt);box-shadow:0 0 0 3px rgba(215,25,32,.09)}
.ttfl-submit{min-height:46px;padding:0 22px;border:0;border-radius:8px;background:var(--tt);color:#fff;font-weight:700;cursor:pointer;transition:.2s}.ttfl-submit:hover{filter:brightness(.94);transform:translateY(-1px)}.ttfl-submit:disabled{opacity:.6;cursor:wait;transform:none}
.ttfl-message{margin-top:12px;font-size:14px}.ttfl-message.is-success{color:#157347}.ttfl-message.is-error{color:#b42318}.ttfl-hp{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important;overflow:hidden!important}
.ttfl-radio{display:flex;gap:18px;flex-wrap:wrap}.ttfl-radio label{display:inline-flex;align-items:center;gap:7px;font-weight:500}.ttfl-radio input{width:auto;min-height:0}
.ttfl-news-row{display:flex;align-items:stretch}.ttfl-news-row .ttfl-field{flex:1;margin:0}.ttfl-news-row input{border-radius:8px 0 0 8px}.ttfl-news-row .ttfl-submit{border-radius:0 8px 8px 0;white-space:nowrap}
@media(max-width:640px){.ttfl-grid{grid-template-columns:1fr;gap:0}.ttfl-grid .ttfl-field{margin-bottom:12px}.ttfl-submit{width:100%}.ttfl-news-row .ttfl-submit{width:auto;padding:0 15px}.ttfl-form{width:100%}}

/* Popup phản hồi form */
.ttfl-message{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.ttfl-popup[hidden]{display:none!important}.ttfl-popup{position:fixed;inset:0;z-index:999999;display:flex;align-items:center;justify-content:center;padding:18px;opacity:0;transition:opacity .18s ease}.ttfl-popup.is-visible{opacity:1}
.ttfl-popup-backdrop{position:absolute;inset:0;background:rgba(17,24,39,.52);backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px)}
.ttfl-popup-dialog{position:relative;z-index:1;width:min(440px,100%);background:#fff;border-radius:16px;padding:28px 26px 24px;text-align:center;box-shadow:0 24px 70px rgba(0,0,0,.22);transform:translateY(10px) scale(.98);transition:transform .18s ease}
.ttfl-popup.is-visible .ttfl-popup-dialog{transform:translateY(0) scale(1)}
.ttfl-popup-close{position:absolute;right:10px;top:8px;width:36px;height:36px;border:0;background:transparent;color:#667085;font-size:28px;line-height:34px;cursor:pointer;border-radius:50%}.ttfl-popup-close:hover{background:#f2f4f7;color:#111827}
.ttfl-popup-icon{width:58px;height:58px;margin:0 auto 14px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#ecfdf3;color:#15803d;font-size:30px;font-weight:800}
.ttfl-popup h3{margin:0 0 8px;font-size:24px;line-height:1.25;color:#111827}.ttfl-popup-message{font-size:15px;line-height:1.6;color:#475467}.ttfl-popup-code{display:inline-block;margin-top:14px;padding:7px 11px;border-radius:8px;background:#f8fafc;color:#344054;font-size:13px;font-weight:700}
.ttfl-popup.is-error .ttfl-popup-icon{background:#fef2f2;color:#b42318}.ttfl-popup.is-error .ttfl-popup-code{display:none!important}
@media(max-width:640px){.ttfl-popup{padding:14px}.ttfl-popup-dialog{padding:26px 18px 22px;border-radius:14px}.ttfl-popup h3{font-size:21px}.ttfl-popup-message{font-size:14px}}
@media(prefers-reduced-motion:reduce){.ttfl-popup,.ttfl-popup-dialog{transition:none}}