/* Gia Tộc Trường Tồn – giao diện Đăng nhập / Đăng ký / Đăng xuất / Khởi đầu.
   Phạm vi: chỉ áp dụng trong .gtt-authx. Dùng chung bảng màu với Web App. */
.gtt-authx{--ax-teal:#0F5D4E;--ax-teal-2:#2c8570;--ax-teal-soft:#eaf4f1;--ax-gold:#d7aa50;--ax-gold-soft:#f6ecd5;--ax-ink:#1b2c2e;--ax-muted:#5f706f;--ax-line:#e8ded0;--ax-field:#d9e2dc;--ax-danger:#9f3d4f;
  min-height:100vh;color:var(--ax-ink);font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased;
  background:radial-gradient(1100px 560px at 88% -12%,rgba(215,170,80,.16),transparent 62%),radial-gradient(900px 520px at -12% 112%,rgba(15,93,78,.11),transparent 60%),linear-gradient(180deg,#f5f1e7 0%,#fbfaf6 62%,#f6f3ec 100%)}
.gtt-authx *,.gtt-authx *:before,.gtt-authx *:after{box-sizing:border-box}
.gtt-authx [hidden]{display:none!important}
.gtt-authx-frame{width:min(1180px,100%);margin:0 auto;padding:22px 22px 26px;min-height:100vh;display:flex;flex-direction:column;gap:22px}

/* Thanh trên cùng – cùng kiểu "viên thuốc" như Web App */
.gtt-authx-top{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:9px 12px 9px 9px;border:1px solid rgba(232,222,208,.96);border-radius:999px;background:rgba(255,253,250,.9);box-shadow:0 20px 52px rgba(26,58,55,.08);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.gtt-authx-brand{display:flex;align-items:center;gap:12px;min-width:0;text-decoration:none;color:inherit}
.gtt-authx-brand img{flex:none;width:46px;height:46px;border-radius:14px;object-fit:cover;background:#fff;box-shadow:0 6px 16px rgba(13,94,88,.14)}
.gtt-authx-brand span{min-width:0}
.gtt-authx-brand strong{display:block;font-family:"Playfair Display",Georgia,serif;font-size:19px;line-height:1.2;color:var(--ax-teal);white-space:nowrap}
.gtt-authx-brand small{display:block;margin-top:2px;font-size:11px;letter-spacing:.06em;color:#7a8b87;white-space:nowrap}
.gtt-authx-topnav{display:flex;align-items:center;gap:8px;flex:none}
.gtt-authx-toplink{display:inline-flex;align-items:center;gap:6px;padding:10px 16px;border-radius:999px;color:var(--ax-teal);font-weight:700;font-size:14px;text-decoration:none;transition:background .18s,box-shadow .18s}
.gtt-authx-toplink:hover{background:#fff;box-shadow:0 7px 18px rgba(13,94,88,.09)}

/* Khung chính 2 cột */
.gtt-authx-main{margin:auto 0;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);border-radius:32px;overflow:hidden;background:#fff;border:1px solid rgba(15,93,78,.08);box-shadow:0 30px 80px rgba(15,60,55,.12)}
.gtt-authx-main.is-single{grid-template-columns:minmax(0,1fr);width:100%;max-width:540px;margin:auto}

/* Cột thương hiệu */
.gtt-authx-brandpanel{position:relative;overflow:hidden;display:flex;flex-direction:column;gap:18px;padding:44px 44px 34px;color:#fff;background:linear-gradient(160deg,#0B4F44 0%,#0F5D4E 46%,#0A433B 100%)}
.gtt-authx-brandpanel:before{content:"";position:absolute;width:440px;height:440px;right:-170px;top:-170px;border-radius:50%;background:radial-gradient(circle,rgba(215,170,80,.30),transparent 66%)}
.gtt-authx-brandpanel:after{content:"";position:absolute;width:380px;height:380px;left:-150px;bottom:-180px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.10),transparent 66%)}
.gtt-authx-brandpanel>*{position:relative;z-index:1}
.gtt-authx-emblem{flex:none;width:88px;height:88px;padding:6px;border-radius:26px;background:#fff;box-shadow:0 16px 36px rgba(0,0,0,.18)}
.gtt-authx-emblem img{display:block;width:100%;height:100%;object-fit:cover;border-radius:20px}
.gtt-authx-kicker{display:block;font-size:11px;font-weight:800;letter-spacing:.18em;text-transform:uppercase;color:#efd28f}
.gtt-authx-kicker.is-dark{color:var(--ax-teal);margin-bottom:8px}
.gtt-authx-brandpanel h1{margin:0;font-family:"Playfair Display",Georgia,serif;font-size:40px;line-height:1.24;font-weight:700;color:#fff}
.gtt-authx-brandpanel p{margin:0;max-width:470px;font-size:15.5px;line-height:1.75;color:rgba(255,255,255,.84)}
.gtt-authx-values{list-style:none;margin:6px 0 0;padding:0;display:grid;gap:10px}
.gtt-authx-values li{display:flex;align-items:center;gap:14px;padding:12px 14px;border-radius:16px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12)}
.gtt-authx-values i{flex:none;display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:rgba(215,170,80,.18);color:#f3d58e;font-style:normal}
.gtt-authx-values svg{width:20px;height:20px}
.gtt-authx-values b{display:block;font-size:14.5px}
.gtt-authx-values small{display:block;margin-top:2px;font-size:12.5px;color:rgba(255,255,255,.74)}
.gtt-authx-quote{margin:auto 0 0;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);font-family:"Playfair Display",Georgia,serif;font-style:italic;font-size:16px;line-height:1.5;color:#f3e2b6}

/* Cột biểu mẫu */
.gtt-authx-card{min-width:0;display:flex;flex-direction:column;justify-content:center;padding:40px 44px;background:#fff}
.gtt-authx-main.is-single .gtt-authx-card{border-radius:30px}
.gtt-authx-card h2{margin:0 0 6px;font-family:"Playfair Display",Georgia,serif;font-size:30px;line-height:1.28;font-weight:700;color:#143632}
.gtt-authx-lead{margin:0 0 22px;font-size:14.5px;line-height:1.65;color:var(--ax-muted)}
.gtt-authx-tabs{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:26px;padding:6px;border-radius:999px;background:#f2f4ef}
.gtt-authx-tabs button{border:0;border-radius:999px;padding:12px 10px;background:transparent;font:700 14.5px/1.1 Inter,system-ui,sans-serif;color:#5f716d;cursor:pointer;transition:background .18s,color .18s,box-shadow .18s}
.gtt-authx-tabs button.active{background:#fff;color:var(--ax-teal);box-shadow:0 8px 20px rgba(15,60,55,.10)}
.gtt-authx-panel{display:none}
.gtt-authx-panel.active{display:block;animation:gttAxIn .28s ease both}
@keyframes gttAxIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

.gtt-authx-form{display:grid;gap:16px}
.gtt-authx-field{display:grid;gap:7px;margin:0}
.gtt-authx-field>span:first-child,.gtt-authx-fieldset legend{font-size:13.5px;font-weight:700;color:#294743}
.gtt-authx-field em{font-style:normal;font-weight:500;color:#8a9a96}
.gtt-authx-fieldset{border:0;padding:0;margin:0;min-width:0}
.gtt-authx-fieldset legend{padding:0;margin-bottom:8px}
.gtt-authx input[type=text],.gtt-authx input[type=email],.gtt-authx input[type=tel],.gtt-authx input[type=password]{width:100%;height:50px;margin:0;padding:0 15px;border-radius:14px;border:1px solid var(--ax-field);background:#fbfcfa;font:500 15px/1.2 Inter,system-ui,sans-serif;color:var(--ax-ink);outline:none;box-shadow:none;transition:border-color .18s,box-shadow .18s,background .18s}
.gtt-authx input::placeholder{color:#9aa8a4}
.gtt-authx input:focus{border-color:#2f8a77;background:#fff;box-shadow:0 0 0 4px rgba(47,138,119,.13)}
.gtt-authx-pass{position:relative;display:block}
.gtt-authx-pass input{padding-right:72px!important}
.gtt-authx-eye{position:absolute;right:7px;top:50%;transform:translateY(-50%);padding:9px 11px;border:0;border-radius:10px;background:transparent;color:var(--ax-teal);font:700 13px/1 Inter,system-ui,sans-serif;cursor:pointer}
.gtt-authx-eye:hover{background:var(--ax-teal-soft)}
.gtt-authx-row{display:flex;align-items:center;justify-content:space-between;gap:10px 14px;flex-wrap:wrap;margin-top:-2px}
.gtt-authx-check{display:flex;align-items:flex-start;gap:10px;margin:0;font-size:13.5px;line-height:1.55;color:#3d5753;cursor:pointer}
.gtt-authx-check input{flex:none;width:18px;height:18px;margin:1px 0 0;accent-color:var(--ax-teal)}
.gtt-authx-link{padding:0;border:0;background:none;color:var(--ax-teal);font:700 13.5px/1.4 Inter,system-ui,sans-serif;text-decoration:none;cursor:pointer}
.gtt-authx-link:hover{text-decoration:underline}
.gtt-authx-hint{margin:0;font-size:12.5px;line-height:1.55;color:#7d8c89}
.gtt-authx-center{text-align:center}

.gtt-authx-btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;width:100%;min-height:52px;padding:12px 18px;border:0;border-radius:15px;background:linear-gradient(135deg,#0F5D4E,#2c8570);color:#fff;font:800 15.5px/1.2 Inter,system-ui,sans-serif;letter-spacing:.01em;text-decoration:none;cursor:pointer;box-shadow:0 12px 26px rgba(15,93,78,.22);transition:transform .18s,box-shadow .18s,opacity .18s}
.gtt-authx-btn:hover{color:#fff;transform:translateY(-1px);box-shadow:0 16px 30px rgba(15,93,78,.28)}
.gtt-authx-btn:focus-visible,.gtt-authx-tabs button:focus-visible,.gtt-authx-link:focus-visible,.gtt-authx-eye:focus-visible{outline:3px solid rgba(215,170,80,.65);outline-offset:2px}
.gtt-authx-btn:disabled{opacity:.72;cursor:progress;transform:none}
.gtt-authx-btn.is-loading:before{content:"";flex:none;width:16px;height:16px;border-radius:50%;border:2px solid rgba(255,255,255,.45);border-top-color:#fff;animation:gttAxSpin .7s linear infinite}
@keyframes gttAxSpin{to{transform:rotate(360deg)}}
.gtt-authx-btn.is-ghost{background:var(--ax-teal-soft);color:var(--ax-teal);border:1px solid rgba(15,93,78,.10);box-shadow:none}
.gtt-authx-btn.is-ghost:hover{color:var(--ax-teal);box-shadow:0 8px 18px rgba(15,93,78,.10)}
.gtt-authx-btn.is-ghost.is-loading:before{border-color:rgba(15,93,78,.25);border-top-color:var(--ax-teal)}
.gtt-authx-actions{display:grid;gap:10px;width:100%;margin-top:6px}
.gtt-authx-switch{margin:22px 0 0;text-align:center;font-size:14px;color:var(--ax-muted)}
.gtt-authx-back{margin:18px 0 0;text-align:center}

/* Thông báo trong form */
.gtt-authx-alert{display:flex;align-items:flex-start;gap:10px;margin:0 0 18px;padding:12px 14px;border-radius:14px;font-size:13.5px;line-height:1.55;background:var(--ax-teal-soft);color:#0d5145;border:1px solid rgba(15,93,78,.14);text-align:left}
.gtt-authx-alert.is-error{background:#fbeef1;color:#8e3446;border-color:rgba(180,74,93,.2)}
.gtt-authx-msg{padding:11px 14px;border-radius:13px;font-size:13.5px;line-height:1.55;background:#fbeef1;color:#8e3446;border:1px solid rgba(180,74,93,.2)}
.gtt-authx-msg.is-success{background:var(--ax-teal-soft);color:#0d5145;border-color:rgba(15,93,78,.14)}

/* OTP */
.gtt-authx-otp input{height:62px!important;text-align:center;font-size:26px!important;font-weight:800!important;letter-spacing:.45em;padding-left:.45em!important}
.gtt-authx-dest{display:block;text-align:center;font-size:13px;color:#6b7d79}
.gtt-authx-channels{display:grid;gap:10px}
.gtt-authx-channels.is-busy{opacity:.6;pointer-events:none}
.gtt-authx .gtt-otp-channel{display:flex;align-items:center;gap:14px;width:100%;padding:14px 16px;border-radius:16px;border:1px solid var(--ax-field);background:#fbfcfa;font:inherit;color:inherit;text-align:left;cursor:pointer;transition:border-color .18s,background .18s}
.gtt-authx .gtt-otp-channel:hover{border-color:#2f8a77;background:var(--ax-teal-soft)}
.gtt-authx .gtt-otp-channel__icon{flex:none;display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--ax-teal-soft);color:var(--ax-teal);font-size:18px}
.gtt-authx .gtt-otp-channel__copy{flex:1;display:grid;gap:3px}
.gtt-authx .gtt-otp-channel__copy strong{font-size:14.5px}
.gtt-authx .gtt-otp-channel__copy small{color:#6b7d79}
.gtt-authx .gtt-otp-channel i{font-style:normal;font-weight:800;color:var(--ax-teal)}

/* Google */
.gtt-authx-divider{position:relative;margin:20px 0;text-align:center}
.gtt-authx-divider:before{content:"";position:absolute;left:0;right:0;top:50%;height:1px;background:#e1e7e3}
.gtt-authx-divider span{position:relative;padding:0 12px;background:#fff;font-size:13px;color:#7a8b87}
.gtt-authx .gtt-google-wrap{display:flex;justify-content:center}

/* Khởi đầu (onboarding) */
.gtt-authx-grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.gtt-authx-chips{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.gtt-authx-chip{display:flex;align-items:center;gap:10px;margin:0;padding:12px 14px;border-radius:14px;border:1px solid var(--ax-field);background:#fbfcfa;font-size:14px;font-weight:650;color:#294743;cursor:pointer;transition:border-color .18s,background .18s}
.gtt-authx-chip input{flex:none;width:18px;height:18px;margin:0;accent-color:var(--ax-teal)}
.gtt-authx-chip:has(input:checked){border-color:#2f8a77;background:var(--ax-teal-soft);color:#0d5145}

/* Thẻ đơn: đã đăng nhập / đặt lại mật khẩu / xác minh email */
.gtt-authx-me{align-items:center;text-align:center}
.gtt-authx-avatar,.gtt-authx-badge{display:grid;place-items:center;width:72px;height:72px;margin:0 auto 16px;border-radius:22px;background:linear-gradient(145deg,#0F5D4E,#2c8570 60%,#d7aa50);color:#fff;font:700 30px/1 "Playfair Display",Georgia,serif;box-shadow:0 14px 30px rgba(15,93,78,.22)}
.gtt-authx-badge{font:400 30px/1 system-ui,sans-serif}
.gtt-authx-badge svg{width:32px;height:32px}
.gtt-authx-btn svg,.gtt-authx-toplink svg{flex:none}
.gtt-authx-alert a{margin-left:4px}
.gtt-authx-me .gtt-authx-alert{justify-content:center;text-align:center}
.gtt-authx-badge.is-pulse{animation:gttAxPulse 1.4s ease-in-out infinite}
@keyframes gttAxPulse{50%{transform:scale(1.06);box-shadow:0 18px 36px rgba(15,93,78,.3)}}
.gtt-authx-me .gtt-authx-lead b{color:var(--ax-teal)}

.gtt-authx-foot{text-align:center;font-size:12px;letter-spacing:.03em;color:#83928f}

/* Máy tính bảng / điện thoại */
@media (max-width:900px){
  .gtt-authx-frame{padding:12px 12px 18px;gap:14px}
  .gtt-authx-main{grid-template-columns:minmax(0,1fr);margin:0;border-radius:26px}
  .gtt-authx-main.is-single{margin:0 auto}
  .gtt-authx-brandpanel{flex-direction:row;align-items:center;gap:14px;padding:18px 20px}
  .gtt-authx-emblem{width:58px;height:58px;padding:4px;border-radius:18px}
  .gtt-authx-emblem img{border-radius:14px}
  .gtt-authx-brandpanel h1{flex:1;min-width:0;font-size:21px;line-height:1.3}
  .gtt-authx-brandpanel .gtt-authx-kicker,.gtt-authx-brandpanel p,.gtt-authx-values,.gtt-authx-quote{display:none}
  .gtt-authx-card{padding:26px 22px 28px}
  .gtt-authx-card h2{font-size:25px}
  .gtt-authx-tabs{margin-bottom:22px}
}
@media (max-width:520px){
  .gtt-authx-frame{padding:10px 10px 16px}
  .gtt-authx-top{border-radius:22px;padding:8px 8px 8px 8px}
  .gtt-authx-brand{gap:10px}
  .gtt-authx-brand img{width:40px;height:40px;border-radius:12px}
  .gtt-authx-brand strong{font-size:16.5px}
  .gtt-authx-brand small{display:none}
  .gtt-authx-toplink{padding:9px 12px;font-size:13px}
  .gtt-authx .ax-hide-sm{display:none}
  .gtt-authx-main{border-radius:22px}
  .gtt-authx-brandpanel{padding:16px 18px}
  .gtt-authx-emblem{width:50px;height:50px;border-radius:15px}
  .gtt-authx-brandpanel h1{font-size:18.5px}
  .gtt-authx-card{padding:22px 18px 24px}
  .gtt-authx-card h2{font-size:23px}
  /* ≥16px để iPhone không tự phóng to khi chạm vào ô nhập */
  .gtt-authx input[type=text],.gtt-authx input[type=email],.gtt-authx input[type=tel],.gtt-authx input[type=password]{font-size:16px}
  .gtt-authx-grid2,.gtt-authx-chips{grid-template-columns:1fr}
  .gtt-authx-row{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){.gtt-authx *{animation:none!important;transition:none!important}}