/* hoantien24/7 — tông be kem. Layout: cột đơn trên điện thoại, 760px giữa màn hình trên máy tính */
:root{
  --bg:#F6EFE3; --surface:#FFFAF2; --sunk:#EFE4D2; --line:#E2D3BC;
  --fg:#3A2E22; --muted:#7D6B57; --accent:#A8743F; --accent-ink:#FFFAF2; --accent-soft:#F0E0C8;
  --ok:#4F7A4A; --ok-soft:#E3EDDC; --warn:#A86F1F; --warn-soft:#F5E6C9; --bad:#A8483D; --bad-soft:#F3DDD7;
  --display:"Lora",Georgia,"Times New Roman",serif;
  --body:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --r:14px; color-scheme:light;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#1F1A15; --surface:#2A231C; --sunk:#241E18; --line:#3D3328;
  --fg:#F1E7D8; --muted:#B4A28C; --accent:#D9A46B; --accent-ink:#1F1A15; --accent-soft:#3A2E22;
  --ok:#93BF8B; --ok-soft:#27331F; --warn:#E0B062; --warn-soft:#3A2F1A; --bad:#E08C80; --bad-soft:#3A2420; color-scheme:dark}}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--fg);font-family:var(--body);font-size:15px;line-height:1.5;font-variant-numeric:tabular-nums;padding-top:env(safe-area-inset-top,0px)}
[hidden]{display:none!important}
img{max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
button:disabled{opacity:.55;cursor:default}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px}
a{color:var(--accent)}
.wrap{max-width:760px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
header.top{position:sticky;top:0;z-index:5;background:var(--bg);border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-block:12px}
.brand{font-family:var(--display);font-weight:700;font-size:22px;letter-spacing:-.01em}
.brand span{color:var(--accent);font-style:italic}
.tier{font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent);white-space:nowrap}
main{padding-block:20px 110px;display:flex;flex-direction:column;gap:18px}
h1{font-family:var(--display);font-size:26px;line-height:1.2;margin:0;text-wrap:balance}
h2{font-family:var(--display);font-size:19px;margin:0;text-wrap:balance}
.sub{color:var(--muted);margin:0;font-size:14px}
.label{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:600}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px}
.stack{display:flex;flex-direction:column;gap:12px}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.between{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.balance{background:var(--accent);color:var(--accent-ink);border-radius:var(--r);padding:20px;display:flex;flex-direction:column;gap:12px}
.balance .big{font-family:var(--display);font-size:34px;font-weight:700;line-height:1}
.balance .label{color:inherit;opacity:.85}
.btn{border:0;border-radius:10px;padding:10px 14px;font-weight:600;font-size:14px;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:6px}
.btn.sm{padding:7px 11px;font-size:13px}
.btn.light{background:var(--accent-ink);color:var(--accent)}
.btn.ghost{background:transparent;color:inherit;border:1px solid currentColor}
.btn.primary{background:var(--accent);color:var(--accent-ink)}
.btn.soft{background:var(--accent-soft);color:var(--accent)}
.btn.danger{background:var(--bad-soft);color:var(--bad)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.mini{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px;min-width:0}
.mini b{display:block;font-size:17px;margin-top:2px}
.mini small{color:var(--muted);font-size:12px}
@media (max-width:480px){.grid3{grid-template-columns:1fr}.mini{display:flex;justify-content:space-between;align-items:baseline;gap:8px}.mini small{display:none}}
input,select,textarea{border:1px solid var(--line);background:var(--bg);border-radius:10px;padding:10px 12px;width:100%;min-width:0}
textarea{min-height:80px;resize:vertical}
.field{display:flex;gap:8px}
.field input{flex:1}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.fgrid .full{grid-column:1/-1}
.fgrid label,.flabel{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;min-width:0}
.fgrid label input,.fgrid label select{font-weight:400}
.fgrid small,.flabel small{font-weight:400;color:var(--muted);font-size:12px}
@media (max-width:520px){.fgrid{grid-template-columns:1fr}}
.note{font-size:13px;color:var(--muted);background:var(--sunk);border-radius:10px;padding:10px 12px;margin:0}
.err{color:var(--bad);font-size:13px;margin:0}
.alert{background:var(--bad-soft);color:var(--bad);border-radius:12px;padding:12px 14px;font-size:14px;font-weight:500}
.okbox{background:var(--ok-soft);color:var(--ok);border-radius:12px;padding:12px 14px;font-size:14px}
.chips{display:flex;gap:8px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:7px 14px;font-size:13px;white-space:nowrap;font-weight:500}
.chip[aria-pressed="true"]{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.item{display:grid;grid-template-columns:1fr auto;gap:4px 12px;padding:14px 0;border-bottom:1px solid var(--line)}
.item:last-child{border-bottom:0}
.item .t{font-weight:600;min-width:0;overflow-wrap:anywhere}
.item .m{font-size:12px;color:var(--muted);min-width:0;overflow-wrap:anywhere}
.item .amt{text-align:right;font-weight:700;white-space:nowrap}
.item .acts{grid-column:1/-1;display:flex;gap:8px;flex-wrap:wrap;margin-top:4px}
.item.over{background:linear-gradient(90deg,var(--bad-soft),transparent 70%);padding-left:10px;margin-left:-10px;border-radius:8px}
.pill{font-size:11px;font-weight:600;padding:3px 8px;border-radius:999px;justify-self:end;white-space:nowrap;display:inline-block}
.p-done{background:var(--ok-soft);color:var(--ok)}
.p-ship{background:var(--warn-soft);color:var(--warn)}
.p-wait{background:var(--accent-soft);color:var(--accent)}
.p-cancel{background:var(--bad-soft);color:var(--bad)}
.empty{text-align:center;color:var(--muted);padding:24px 0}
.code{font-family:var(--display);font-size:26px;font-weight:700;letter-spacing:.06em;background:var(--sunk);border-radius:10px;padding:12px;text-align:center;user-select:all}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;overflow-wrap:anywhere}
.preview{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--bg);border:1px dashed var(--line);border-radius:12px;padding:14px;font-size:14px;line-height:1.55;margin:0;font-family:var(--body)}
.seg{display:flex;background:var(--sunk);border-radius:10px;padding:4px;max-width:360px}
.seg button{flex:1;border:0;background:transparent;padding:8px;border-radius:8px;font-weight:600;font-size:14px;color:var(--muted)}
.seg button[aria-pressed="true"]{background:var(--surface);color:var(--fg)}
.lsum{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.lsum button{border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:10px;text-align:left;min-width:0;display:flex;flex-direction:column;gap:2px}
.lsum button[aria-pressed="true"]{border-color:var(--fg);box-shadow:inset 0 0 0 1px var(--fg)}
.lsum b{font-size:16px}
.lsum small{color:var(--muted);font-size:12px}
@media (max-width:560px){.lsum{grid-template-columns:1fr 1fr}}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.toolbar input,.toolbar select{flex:1;min-width:150px;width:auto}
details{border-bottom:1px solid var(--line);padding:12px 0}
details:last-child{border-bottom:0}
summary{font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:10px}
summary::after{content:"+";color:var(--accent);font-size:18px;line-height:1}
details[open] summary::after{content:"–"}
details p{margin:8px 0 0;color:var(--muted);font-size:14px}
.login{min-height:80vh;display:flex;flex-direction:column;justify-content:center;gap:18px;padding-block:32px;max-width:440px}
.hero-tag{font-family:var(--display);font-size:32px;line-height:1.15;margin:0;text-wrap:balance}
.hero-tag em{color:var(--accent)}
nav.tabs{position:fixed;left:0;right:0;bottom:0;z-index:6;background:var(--surface);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom,0px)}
nav.tabs .wrap{display:grid;grid-auto-flow:column;grid-auto-columns:1fr}
nav.tabs button{border:0;background:transparent;padding:10px 2px 12px;font-size:11px;font-weight:600;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:4px;min-width:0;position:relative}
nav.tabs button svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
nav.tabs button[aria-current="page"]{color:var(--accent)}
nav.tabs .badge{position:absolute;top:4px;left:calc(50% + 6px);background:var(--bad);color:#fff;font-size:10px;border-radius:999px;padding:0 5px;line-height:16px}
.toast{position:fixed;left:50%;bottom:calc(84px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--fg);color:var(--bg);padding:10px 16px;border-radius:10px;font-size:14px;z-index:20;opacity:0;transition:opacity .2s;pointer-events:none;max-width:calc(100vw - 32px)}
.toast.show{opacity:1}
.modal{position:fixed;inset:0;background:rgba(30,22,14,.45);z-index:30;display:flex;align-items:center;justify-content:center;padding:16px}
.modal .panel{width:100%;max-width:440px;max-height:90vh;overflow:auto}
.qr{max-width:220px;border-radius:12px;border:1px solid var(--line)}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}