/* Trang đăng nhập TracePlus (TracePlus_dang_nhap.html) */
:root{
  --brand:#173A26;--brand-2:#21492F;--leaf:#A9C46C;--leaf-ink:#5B8442;
  --ground:#F4F4EF;--surface:#FFFFFF;--ink:#16241B;--ink-2:#55635A;--line:#DCE1DA;--line-2:#B9C4BC;
  --soft:#EEF1EE;--bad:#9B2C1F;--bad-bg:#FDE7E4;--ok:#1F6B35;--ok-bg:#E1F1E7;
  --f:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%}
body{font-family:var(--f);color:var(--ink);background:var(--ground);-webkit-font-smoothing:antialiased}
a{color:var(--brand-2);text-underline-offset:3px}a:hover{color:var(--brand)}
button,input{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--leaf);outline-offset:2px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- bố cục ---------- */
.page{min-height:100vh;min-height:100dvh;display:grid;grid-template-columns:minmax(0,1fr)}
.brand{background:var(--brand);color:#fff;padding:28px 20px 64px;display:flex;flex-direction:column;gap:18px;border-radius:0 0 28px 28px}
.brand-top{display:flex;justify-content:space-between;align-items:center;gap:12px}
.logo{height:36px;width:auto;display:block}
.logo svg{height:100%;width:auto;display:block}
.eyebrow{margin:0;font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--leaf)}
.brand h1{margin:0;font-size:clamp(26px,7vw,54px);line-height:1.15;font-weight:700;letter-spacing:-.01em}
.brand .intro{display:flex;flex-direction:column;gap:8px}
.lede{margin:0;font-size:15px;line-height:1.55;color:#D3E2CC;max-width:520px}
.feats{list-style:none;margin:0;padding:0;display:none;flex-direction:column;gap:22px;max-width:540px}
.feats li{display:flex;gap:16px;align-items:flex-start}
.feats .ic{flex:none;width:44px;height:44px;border-radius:12px;background:var(--brand-2);display:flex;align-items:center;justify-content:center}
.feats b{display:block;font-size:16px;font-weight:600;margin-bottom:4px}
.feats span{font-size:14px;line-height:1.5;color:#C3D6BA}
.copy{margin:auto 0 0;font-size:13px;color:#9FB79A;display:none}

.side{display:flex;flex-direction:column;padding:0 16px 24px}
.langs{display:none;justify-content:flex-end;gap:4px}
.lang-btn{min-height:44px;padding:0 14px;border:1px solid transparent;border-radius:999px;background:transparent;font-weight:500;font-size:14px;color:var(--ink-2);cursor:pointer}
.lang-btn[aria-pressed="true"]{background:var(--surface);border-color:var(--line-2);color:var(--brand);font-weight:600}
.lang-pill{min-width:44px;height:44px;padding:0 12px;border:1px solid #3F6347;border-radius:999px;background:transparent;color:#fff;font-weight:600;font-size:13px;cursor:pointer}
.center{flex:1;display:flex;align-items:flex-start;justify-content:center}
.card{width:100%;max-width:440px;margin-top:-44px;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:24px 20px;display:flex;flex-direction:column;gap:20px;box-shadow:0 1px 2px rgba(22,36,27,.04),0 12px 32px rgba(22,36,27,.08)}
.card h2{margin:0;font-size:22px;font-weight:700}
.sub{margin:6px 0 0;font-size:15px;line-height:1.5;color:var(--ink-2)}

.tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;padding:4px;background:var(--soft);border-radius:12px}
.tab{min-height:44px;border:0;border-radius:9px;background:transparent;color:var(--ink-2);font-weight:500;font-size:15px;cursor:pointer}
.tab[aria-selected="true"]{background:var(--surface);color:var(--brand);font-weight:600;box-shadow:0 1px 2px rgba(22,36,27,.12)}

form{display:flex;flex-direction:column;gap:16px;margin:0}
.field{display:flex;flex-direction:column;gap:8px}
.field label,.legend{font-size:14px;font-weight:600}
.row-lbl{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.row-lbl a{font-size:14px;font-weight:500}
.inp{width:100%;height:56px;padding:0 14px;border:1px solid var(--line-2);border-radius:12px;background:#fff;font-size:17px}
.inp:focus{outline:3px solid var(--leaf);outline-offset:1px;border-color:var(--leaf-ink)}
.inp[aria-invalid="true"]{border-color:var(--bad)}
.phone{display:flex;gap:8px}
.cc{flex:none;height:56px;padding:0 12px;display:flex;align-items:center;border:1px solid var(--line-2);border-radius:12px;background:var(--ground);font-size:16px;color:var(--ink-2)}
.pw{position:relative}.pw .inp{padding-right:56px}
.eye{position:absolute;right:6px;top:6px;width:44px;height:44px;border:0;border-radius:10px;background:transparent;color:var(--ink-2);cursor:pointer;display:flex;align-items:center;justify-content:center}
.btn{height:56px;border:0;border-radius:12px;background:var(--brand);color:#fff;font-weight:600;font-size:17px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px}
.btn:hover{background:var(--brand-2)}
.btn:disabled{opacity:.6;cursor:wait}
.btn-2{text-decoration:none;height:52px;border:1px solid var(--line-2);border-radius:12px;background:#fff;color:var(--brand);font-weight:600;font-size:15px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px}
.or{display:flex;align-items:center;gap:12px;color:var(--ink-2);font-size:13px}.or::before,.or::after{content:"";flex:1;height:1px;background:var(--line)}
.hint{margin:0;font-size:13px;line-height:1.55;color:var(--ink-2)}
.err{margin:0;font-size:14px;color:var(--bad);display:none}.err.on{display:block}
.note{margin:0;padding:12px 14px;border-radius:12px;font-size:14px;line-height:1.5;display:none}
.note.on{display:block}.note.ok{background:var(--ok-bg);color:var(--ok)}.note.bad{background:var(--bad-bg);color:var(--bad)}

.otp-head{display:flex;align-items:center;gap:12px}
.back{flex:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--brand);cursor:pointer;display:flex;align-items:center;justify-content:center}
.otp-txt{margin:0;font-size:15px;line-height:1.55;color:var(--ink-2)}.otp-txt b{color:var(--ink)}
.boxes{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px}
.box{height:58px;min-width:0;text-align:center;font-size:24px;font-weight:600;border:1px solid var(--line-2);border-radius:12px;background:#fff}
.box:focus{outline:none;border:2px solid var(--brand)}
.resend{margin:0;font-size:14px;color:var(--ink-2)}
.link-btn{border:0;background:none;padding:0;color:var(--brand-2);font-weight:600;text-decoration:underline;text-underline-offset:3px;cursor:pointer;min-height:44px}
.tip{display:flex;gap:12px;align-items:flex-start;background:var(--ground);border-radius:14px;padding:14px}
.tip p{margin:0;font-size:14px;line-height:1.55;color:#3A4A40}

.foot{display:flex;flex-direction:column;align-items:center;gap:4px;padding-top:18px;font-size:13px;color:var(--ink-2);text-align:center}
.foot a{font-size:15px;font-weight:600;min-height:44px;display:inline-flex;align-items:center;gap:6px}
.foot a.tel{font-size:inherit;white-space:nowrap}
.foot a.zalo svg{flex:none}
.foot .sup{display:inline-flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:0 8px}
.foot a.tel{min-height:44px}
.foot .sup > [data-i="support"]{flex-basis:100%}
.foot > a{white-space:nowrap}
.tip a{font-weight:600}
[hidden]{display:none!important}

/* ---------- chọn tài khoản ---------- */
.accts{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.acct{display:flex;gap:14px;align-items:center;min-height:68px;padding:12px 14px;border:1px solid var(--line-2);border-radius:14px;background:#fff;cursor:pointer}
.acct:has(input:checked){border:2px solid var(--brand);padding:11px 13px;background:#F6F9F4}
.acct input{width:22px;height:22px;margin:0;flex:none;accent-color:var(--brand)}
.acct .av{flex:none;width:40px;height:40px;border-radius:50%;background:var(--soft);color:var(--brand);font-weight:700;display:flex;align-items:center;justify-content:center;font-size:15px}
.acct b{display:block;font-size:16px;font-weight:600}
.acct small{display:block;font-size:13px;color:var(--ink-2);margin-top:2px}
.tag{display:inline-block;margin-left:6px;padding:1px 8px;border-radius:999px;background:#F1F6E6;color:#4C6A2E;font-size:12px;font-weight:600;vertical-align:2px}

/* ---------- màn trạng thái (link hết hạn, tài khoản ngừng, tạm khóa) ---------- */
.state{display:flex;flex-direction:column;gap:16px}
.state .ic-big{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;background:var(--soft)}
.state .ic-big.bad{background:var(--bad-bg)}
.state p{margin:0;font-size:15px;line-height:1.6;color:var(--ink-2)}
#stMain:disabled{cursor:not-allowed}
.state .big-count{font-size:32px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums}

/* ---------- chỉ hiện khi xem bản mẫu ---------- */
.demo{width:100%;max-width:440px;margin:16px auto 0;border:1px dashed var(--line-2);border-radius:14px;padding:10px 14px;font-size:13px;color:var(--ink-2);background:transparent}
.demo summary{cursor:pointer;font-weight:600;min-height:32px;display:flex;align-items:center}
.demo .chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.demo button{min-height:36px;padding:0 12px;border:1px solid var(--line-2);border-radius:999px;background:#fff;font-size:13px;cursor:pointer}

/* ---------- máy tính bảng, máy tính ---------- */
@media (min-width:960px){
  .page{grid-template-columns:repeat(2,minmax(0,1fr))}
  .brand{padding:56px clamp(40px,5vw,72px) 48px;gap:40px;border-radius:0;min-height:100vh;min-height:100dvh}
  .logo{height:52px}
  .lang-pill{display:none}
  .brand .intro{display:flex;flex-direction:column;gap:20px;margin-top:48px}
  .lede{font-size:18px;line-height:1.6}
  .feats,.copy{display:flex}
  .side{padding:32px clamp(24px,4vw,48px)}
  .langs{display:flex}
  .center{align-items:center}
  .card{margin-top:0;padding:40px;gap:24px}
  .card h2{font-size:28px}
  .inp,.cc{height:52px}.eye{top:4px;right:4px}.btn{height:52px;font-size:16px}
  .foot{flex-direction:row;flex-wrap:wrap;justify-content:space-between;gap:0 16px;padding-top:0;font-size:14px}
  .foot .sup{justify-content:flex-start}
  .foot .sup > [data-i="support"]{flex-basis:auto}
}
@media (min-width:600px) and (max-width:959px){ .brand{padding:36px 40px 72px} .side{padding:0 40px 32px} }