/* ============================================================
   Trang dang nhap / dang ky
   ============================================================ */
.auth{display:grid; grid-template-columns:minmax(0,.86fr) minmax(0,1fr); min-height:100vh}
body.admin-bar .auth{min-height:calc(100vh - 32px)}

/* --- cot trai: thuong hieu --- */
.auth__side{
  position:relative; isolation:isolate; overflow:hidden; background:var(--navy); color:#dbe7f3;
  display:flex; flex-direction:column; gap:34px; padding:40px 44px;
}
.auth__bg{position:absolute; inset:0; z-index:-2}
.auth__bg img{width:100%; height:100%; object-fit:cover; display:block}
.auth__scrim{
  position:absolute; inset:0; z-index:-1;
  background:linear-gradient(170deg, rgba(8,28,50,.72) 0%, rgba(8,28,50,.86) 58%, rgba(8,28,50,.94) 100%);
}
.auth__copy{margin-top:auto}
.auth__copy h2{color:#fff; font-size:clamp(24px,2.4vw,31px); font-weight:700; margin-bottom:12px}
.auth__copy > p{font-size:16px; color:rgba(226,238,250,.86); max-width:38ch}

.perks{display:grid; gap:14px; margin-top:30px}
.perks li{display:flex; align-items:flex-start; gap:12px}
.perks svg{width:20px; height:20px; flex:none; margin-top:2px; color:#6fd1b0}
.perks b{font-family:var(--font-display); color:#fff; font-weight:600; display:block; font-size:14.5px}
.perks span span{font-size:13.5px; color:rgba(226,238,250,.72)}

.auth__foot{display:flex; align-items:center; gap:10px; font-size:13px; color:#9fb6cc; margin-top:auto}
.auth__foot a{color:#8fc6ff}
.auth__foot a:hover{color:#fff}

/* --- cot phai: bieu mau --- */
.auth__main{display:flex; flex-direction:column; align-items:center; justify-content:center; gap:20px; padding:40px 24px}
.auth__card{
  width:100%; max-width:520px; background:var(--surface); border:1px solid var(--line);
  border-radius:var(--r-lg); box-shadow:var(--shadow-lg); padding:30px 32px;
}

.tabs{
  display:grid; grid-template-columns:1fr 1fr; gap:4px; background:var(--tint);
  border:1px solid var(--line); border-radius:var(--r-sm); padding:4px; margin-bottom:26px;
}
.tab{
  font-family:var(--font-display); font-size:14.5px; font-weight:600; color:var(--ink-3);
  background:transparent; border:0; border-radius:6px; padding:9px 12px; cursor:pointer;
  transition:background .16s, color .16s;
}
.tab:hover{color:var(--brand)}
.tab[aria-selected="true"]{background:var(--surface); color:var(--brand); box-shadow:var(--shadow-sm)}

.pane__head{margin-bottom:22px}
.pane__head h1{font-size:23px; font-weight:700; margin-bottom:6px}
.pane__head p{font-size:14.5px; color:var(--ink-3)}

/* --- truong nhap --- */
.form{display:grid; gap:16px}
.form .row{display:grid; grid-template-columns:1fr 1fr; gap:16px}
.field{display:grid; gap:6px; min-width:0}
.field label{font-family:var(--font-display); font-size:13.5px; font-weight:600; color:var(--ink)}
.field label .req{color:var(--warn)}
.field .hint{font-size:12.5px; color:var(--ink-3)}
.control{position:relative; display:flex; align-items:center}
.control > svg{position:absolute; left:12px; width:17px; height:17px; color:var(--ink-3); pointer-events:none}
/* Kieu o nhap lay o muc 3b cua style.css. O day chi them be ngang va chua chu
   sang phai 38px vi co bieu tuong nam trong o. */
.form input[type="text"],
.form input[type="email"],
.form input[type="tel"],
.form input[type="password"]{width:100%; min-width:0; padding-left:38px}
/* Nut hien mat khau: de 40px cho du rong ma bam bang ngon tay. */
.peek{
  position:absolute; right:4px; width:40px; height:40px; display:grid; place-items:center;
  border:0; background:transparent; color:var(--ink-3); cursor:pointer; border-radius:8px;
}
/* chua chua nut peek thi chua chu lai, khong de chu chui xuong duoi nut */
.control:has(.peek) input{padding-right:48px}
.peek:hover{color:var(--brand); background:var(--tint)}
.peek svg{width:18px; height:18px}

/* --- chon loai tai khoan --- */
.kinds{display:grid; grid-template-columns:1fr 1fr; gap:12px}
.kind{position:relative; display:block; cursor:pointer}
.kind input{position:absolute; inset:0; opacity:0; margin:0; cursor:pointer}
.kind__box{
  display:grid; gap:5px; height:100%; padding:14px 15px 15px;
  border:1.5px solid var(--line); border-radius:var(--r-md); background:var(--surface);
  transition:border-color .16s, background .16s;
}
.kind__top{display:flex; align-items:center; gap:9px}
.kind__dot{width:17px; height:17px; border-radius:50%; border:1.5px solid var(--line); flex:none; transition:border-color .16s, box-shadow .16s}
.kind__box b{font-family:var(--font-display); font-size:14px; font-weight:600; color:var(--ink)}
.kind__box span{font-size:12.5px; color:var(--ink-3); line-height:1.45}
.kind input:checked + .kind__box{border-color:var(--brand); background:var(--brand-050)}
.kind input:checked + .kind__box .kind__dot{border-color:var(--brand); box-shadow:inset 0 0 0 3.5px var(--surface), inset 0 0 0 10px var(--brand)}
.kind input:focus-visible + .kind__box{outline:2px solid var(--brand); outline-offset:2px}

/* --- hop kiem --- */
.check{display:flex; align-items:flex-start; gap:10px; font-size:14px; cursor:pointer}
.check input{width:17px; height:17px; margin:3px 0 0; accent-color:var(--brand); flex:none}
.check a{color:var(--brand); font-weight:600}
.check a:hover{text-decoration:underline}

.inline{display:flex; align-items:center; justify-content:space-between; gap:14px; flex-wrap:wrap}
.link{font-family:var(--font-display); font-size:14px; font-weight:600; color:var(--brand)}
.link:hover{color:var(--brand-700)}

/* --- ghi chu --- */
.note{
  display:flex; align-items:flex-start; gap:10px; font-size:13px; line-height:1.5;
  background:var(--tint); border:1px solid var(--line); border-radius:var(--r-sm);
  padding:12px 14px; color:var(--ink-2);
}
.note svg{width:17px; height:17px; flex:none; margin-top:2px; color:var(--brand)}
.note b{font-family:var(--font-display); color:var(--ink)}
.note--warn{background:color-mix(in oklab, var(--warn) 9%, var(--surface)); border-color:color-mix(in oklab, var(--warn) 32%, var(--line))}
.note--warn svg{color:var(--warn)}
.note--error{background:color-mix(in oklab, var(--crit) 9%, var(--surface)); border-color:color-mix(in oklab, var(--crit) 34%, var(--line))}
.note--error svg{color:var(--crit)}

.swap{text-align:center; font-size:14.5px; color:var(--ink-3)}
/* Cho padding de vung bam cao khoang 44px, du rong cho ngon tay;
   margin am giu nguyen khoang cach nhin thay. */
.swap button{
  background:none; border:0; padding:11px 8px; margin:-11px 0; font-family:var(--font-display);
  font-weight:600; font-size:14.5px; color:var(--brand); cursor:pointer;
}
.swap button:hover{color:var(--brand-700)}

/* --- man hinh nho --- */
@media (max-width:980px){
  .auth{grid-template-columns:1fr; min-height:0}
  .auth__side{padding:26px 22px; gap:20px}
  .auth__copy{margin-top:0}
  .auth__copy h2{font-size:23px}
  .perks,.auth__foot{display:none}
  .auth__main{padding:26px 18px 40px}
}
@media (max-width:560px){
  .auth__card{padding:24px 20px}
  .form .row,.kinds{grid-template-columns:1fr}
}