/* Tiện ích Việt 3.4 — Contact and feedback */
.tiv-feedback-fab{position:fixed;right:22px;bottom:max(20px,env(safe-area-inset-bottom));z-index:990;background:#0b8c68;color:#fff;border:0;display:flex;align-items:center;gap:9px;padding:13px 18px;border-radius:999px;box-shadow:0 12px 32px #0a705a50;font-size:14px;font-weight:800;line-height:1;min-height:46px;transition:transform .2s,background .2s}
.tiv-feedback-fab:hover{background:#056d51;transform:translateY(-2px)}.tiv-feedback-fab:focus-visible,.tiv-feedback-close:focus-visible,.tiv-feedback-submit:focus-visible,.tiv-feedback-form :is(input,textarea,select):focus-visible{outline:3px solid #49d2a9;outline-offset:2px}
.tiv-feedback-fab-icon{font-size:21px;line-height:1}
.tiv-feedback-dialog{border:0;padding:0;border-radius:20px;width:min(570px,calc(100vw - 22px));max-height:min(92dvh,840px);overflow-y:auto;background:#fff;color:#172a41;box-shadow:0 28px 80px #091f3859}
.tiv-feedback-dialog::backdrop{background:#091e2aba;backdrop-filter:blur(2px)}.tiv-feedback-wrap{padding:26px 27px}.tiv-feedback-top{display:flex;align-items:start;gap:14px;justify-content:space-between;margin-bottom:19px}.tiv-feedback-kicker{display:block;color:#13916c;font-size:11px;font-weight:850;letter-spacing:1px;margin-bottom:6px}.tiv-feedback-top h2{font-size:25px;line-height:1.25;letter-spacing:-.8px;margin:0}.tiv-feedback-top p{font-size:13px;color:#6a7c8e;line-height:1.7;margin:9px 0 0}.tiv-feedback-close{border:1px solid #e5ecf0;border-radius:11px;background:#f7f9fa;color:#385064;width:38px;height:38px;flex:none;font-size:25px;line-height:1}
.tiv-feedback-form{display:flex;flex-direction:column;gap:14px}.tiv-feedback-field{display:block;font-size:13px;font-weight:750;color:#29435a}.tiv-feedback-field>span:first-child{display:block;margin-bottom:7px}.tiv-feedback-field .tiv-optional{color:#8294a3;font-weight:500}.tiv-feedback-form :is(select,input[type=email],input[type=text],textarea){display:block;width:100%;max-width:100%;border:1px solid #dce6e8;background:#fff;border-radius:10px;padding:11px 12px;color:#203a4f;min-height:45px;font-size:14px;font-weight:500;outline:none}.tiv-feedback-form textarea{line-height:1.65;min-height:140px;resize:vertical}.tiv-feedback-form :is(input,textarea)::placeholder{color:#98a7b3}.tiv-feedback-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.tiv-feedback-note{font-size:12px;line-height:1.65;color:#697b8a;margin:0}.tiv-feedback-note a{color:#068b67;text-decoration:underline;text-underline-offset:2px}.tiv-feedback-consent{display:flex;align-items:flex-start;gap:9px;line-height:1.55;color:#43576a;font-size:12px}.tiv-feedback-consent input{margin-top:4px;accent-color:#0f9f77}.tiv-feedback-submit{border:0;border-radius:10px;background:#0d9b74;color:#fff;font-size:14px;font-weight:800;min-height:48px;padding:12px 20px}.tiv-feedback-submit:hover{background:#08795d}.tiv-feedback-submit[disabled]{opacity:.55;cursor:wait}.tiv-feedback-status{font-size:13px;line-height:1.65;min-height:0;margin:0;color:#35556c}.tiv-feedback-status[data-state=success]{padding:12px;border-radius:10px;background:#ebf9f2;color:#076e4e}.tiv-feedback-status[data-state=error]{padding:12px;border-radius:10px;background:#fff1ec;color:#a3311b}.tiv-feedback-pending{background:#fff9e7;border:1px solid #f2e4ae;border-radius:12px;padding:13px;font-size:12px;line-height:1.65;color:#765b15}.tiv-feedback-pending strong{display:block;margin-bottom:3px}.tiv-feedback-copy{border:1px solid #d2e6dd;background:#f3faf6;color:#067753;font-size:13px;font-weight:800;border-radius:9px;min-height:44px;padding:10px 14px}.tiv-feedback-inline{padding:0}.tiv-feedback-inline .tiv-feedback-top h2{font-size:25px}.tiv-feedback-inline .tiv-feedback-form{max-width:720px}.tiv-feedback-intro{margin:22px 0;padding:24px;background:linear-gradient(120deg,#eaf9f3,#eef5ff);border:1px solid #dcece5;border-radius:19px}.tiv-feedback-intro h1{font-size:clamp(29px,4vw,42px);letter-spacing:-1.1px;margin:9px 0 12px}.tiv-feedback-intro p{line-height:1.8;color:#5c7182;max-width:730px}.tiv-feedback-page-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(230px,.65fr);gap:24px;margin:22px 0 80px}.tiv-feedback-page-card{padding:25px;border:1px solid #e4eced;border-radius:18px;background:#fff}.tiv-feedback-info{background:#f7fbfa;border:1px solid #dcece7;border-radius:18px;padding:24px;line-height:1.75;font-size:13px;color:#627587}.tiv-feedback-info h2{font-size:17px;color:#18354c;margin:0 0 12px}.tiv-feedback-info ul{padding-left:18px}.tiv-feedback-info a{color:#0b8261;text-decoration:underline}.tiv-feedback-tool-link{font-size:12px;font-weight:750;color:#0b8f6c;text-decoration:underline;text-underline-offset:3px;display:inline-block;margin:12px 0 14px}
.tiv-feedback-honeypot{position:absolute!important;left:-10000px!important;opacity:0!important;width:1px!important;height:1px!important;overflow:hidden!important}
@media(max-width:680px){.tiv-feedback-fab{right:14px;bottom:max(14px,env(safe-area-inset-bottom));padding:12px 15px;font-size:13px}.tiv-feedback-dialog{border-radius:17px}.tiv-feedback-wrap{padding:20px 17px}.tiv-feedback-row,.tiv-feedback-page-grid{grid-template-columns:1fr}.tiv-feedback-page-card{padding:18px}.tiv-feedback-top h2{font-size:22px}}
@media(prefers-reduced-motion:reduce){.tiv-feedback-fab{transition:none}}