@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700&display=swap');

:root{
  --bg:#f4f6f8; --surface:#fff; --text:#101828; --text-2:#475467; --muted:#667085;
  --line:#e4e7ec; --line-2:#d0d5dd;
  --navy:#0c2340; --navy-2:#13315a; --primary:#1849a9; --primary-hover:#133b8a; --primary-soft:#eef3fc;
  --ok:#067647; --ok-soft:#ecfdf3; --warn:#b54708; --warn-soft:#fffaeb; --err:#b42318; --err-soft:#fef3f2;
  --r:8px; --r-sm:6px;
  --font:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--text);font:14px/1.5 var(--font);-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{margin:0 0 .5em;line-height:1.3;font-weight:600;letter-spacing:-.01em}
h1{font-size:22px}h2{font-size:18px}h3{font-size:15px}
button,input,select,textarea{font:inherit;color:inherit}
.ic{flex:none;display:inline-block;vertical-align:-3px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:36px;padding:0 14px;border:1px solid var(--line-2);background:var(--surface);
  border-radius:var(--r-sm);cursor:pointer;color:var(--text);font-weight:500;white-space:nowrap;text-decoration:none!important;transition:background .12s,border-color .12s}
.btn:hover{background:#f9fafb}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.primary:hover{background:var(--primary-hover)}
.btn.danger{color:var(--err)}
.btn.danger:hover{background:var(--err-soft);border-color:#fda29b}
.btn.ghost{border-color:transparent;background:transparent}
.btn.ghost:hover{background:rgba(16,24,40,.05)}
.btn.sm{height:30px;padding:0 10px;font-size:13px}
.btn.icon{width:30px;padding:0}
.btn.lg{height:48px;font-size:16px;width:100%}
.btn:disabled{opacity:.45;pointer-events:none}

/* Forms */
input[type=text],input[type=password],input[type=date],input[type=tel],input[type=search],select,textarea{
  width:100%;height:38px;border:1px solid var(--line-2);border-radius:var(--r-sm);padding:0 12px;background:#fff;box-shadow:0 1px 2px rgba(16,24,40,.04)}
textarea{height:auto;padding:8px 12px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(24,73,169,.15)}
label{display:block;font-size:13px;font-weight:500;color:var(--text-2);margin:12px 0 6px}
.check{display:flex;gap:8px;align-items:center;font-weight:400;color:var(--text);margin:12px 0}
input[type=checkbox]{width:16px;height:16px;accent-color:var(--primary)}

/* Surfaces */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.muted{color:var(--muted)}
.tag{display:inline-flex;align-items:center;height:22px;padding:0 8px;border-radius:4px;font-size:12px;font-weight:500;background:#f2f4f7;color:var(--text-2);white-space:nowrap}
.tag.blue{background:var(--primary-soft);color:var(--primary)}
.tag.warn{background:var(--warn-soft);color:var(--warn)}
.tag.ok{background:var(--ok-soft);color:var(--ok)}
.code{font-family:var(--mono);font-weight:600;letter-spacing:.08em}
.alert{display:flex;gap:10px;align-items:flex-start;padding:10px 14px;border-radius:var(--r-sm);margin:12px 0;border:1px solid}
.alert .ic{margin-top:2px}
.alert.err{background:var(--err-soft);color:var(--err);border-color:#fecdca}
.alert.ok{background:var(--ok-soft);color:var(--ok);border-color:#abefc6}
.alert.warn{background:var(--warn-soft);color:var(--warn);border-color:#fedf89}
.hidden{display:none!important}

/* ===== Mobile pages ===== */
.m-bar{background:var(--navy);color:#fff;padding:0 16px;height:56px;display:flex;align-items:center;gap:10px;position:sticky;top:0;z-index:10}
.m-bar .t{font-weight:600;font-size:15px;flex:1;display:flex;align-items:center;gap:8px;min-width:0}
.m-bar .t span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.m-bar .btn{background:transparent;color:#fff;border-color:rgba(255,255,255,.25)}
.m-bar .btn:hover{background:rgba(255,255,255,.08)}
.m-wrap{max-width:520px;margin:0 auto;padding:16px 16px 40px}
.m-wrap>*+*{margin-top:12px}
.sec-title{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:0 0 4px}

.auth{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px 16px;background:var(--navy)}
.auth .box{width:100%;max-width:380px;background:#fff;border-radius:12px;padding:28px 24px}
.auth .brand{display:flex;align-items:center;gap:12px;margin-bottom:22px}
.auth .brand .logo{width:40px;height:40px;border-radius:8px;background:var(--navy);color:#fff;display:grid;place-items:center}
.auth .brand b{display:block;font-size:15px}
.auth .brand span{font-size:12px;color:var(--muted)}
.auth .foot{color:rgba(255,255,255,.55);font-size:12px;margin-top:16px;text-align:center}
.auth .foot a{color:rgba(255,255,255,.8)}

.code-input{text-transform:uppercase;text-align:center;font:600 24px/1 var(--mono)!important;letter-spacing:.4em;height:52px!important}
#reader{width:100%;aspect-ratio:1;border-radius:var(--r);overflow:hidden;background:#0b1220;position:relative}
#reader video{object-fit:cover}
.reader-ph{position:absolute;inset:0;display:grid;place-items:center;color:#98a2b3;text-align:center;font-size:13px}

/* Kết quả tra cứu */
.rec-head{padding:20px;text-align:center}
.rec-head .label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.rec-head .name{font-size:22px;font-weight:700;margin:4px 0 8px}
.plate{display:inline-block;margin-top:16px;padding:8px 18px;border:2px solid #101828;border-radius:6px;background:#fff;font:700 24px/1.1 var(--mono);letter-spacing:.04em}
.plate.none{border-style:dashed;border-color:var(--line-2);color:var(--muted);font:500 14px/1.4 var(--font);letter-spacing:0}
.dl{margin:0}
.dl>div{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-top:1px solid var(--line)}
.dl>div:first-child{border-top:0}
.dl dt{color:var(--muted);flex:none}
.dl dd{margin:0;text-align:right;font-weight:500;word-break:break-word}
.actions-row{display:flex;gap:8px;margin-top:14px}
.actions-row .btn{flex:1;height:42px}
.list-item{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 0;border-top:1px solid var(--line);color:inherit;text-decoration:none!important}