/* Hoàn Tiền Nhanh: design tokens + components shared by every page. Page-specific rules live in landing.css / app.css. */
:root {
  --brand:#16a34a; --brand-dark:#15803d; --brand-soft:#ecfdf3; --brand-line:#bbf7d0;
  --ink:#0f172a; --muted:#64748b; --line:#e2e8f0; --bg:#f4f8f5; --card:#fff;
  --err:#b42318; --err-soft:#fef3f2; --warn:#b54708; --warn-soft:#fffaeb; --zalo:#0068ff;
  --radius:14px; --shadow:0 1px 2px rgba(15,23,42,.05), 0 6px 20px rgba(15,23,42,.06);
}
* { box-sizing:border-box; }
html { -webkit-text-size-adjust:100%; }
body { margin:0; font:15px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",sans-serif; background:var(--bg); color:var(--ink); }
a { color:var(--brand-dark); }
h1, h2, h3 { line-height:1.25; }
.hidden { display:none !important; }

/* brand header */
.brand-bar { display:flex; align-items:center; gap:12px; }
.brand-bar svg { width:44px; height:44px; flex:none; }
.brand-bar .name { font-size:19px; font-weight:800; color:var(--brand-dark); margin:0; letter-spacing:-.01em; }
.brand-bar .tag { margin:0; font-size:13px; color:var(--muted); }
.brand-bar a { text-decoration:none; }

/* surfaces */
.card { background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:18px; margin-bottom:14px; box-shadow:var(--shadow); }
.card h2 { font-size:17px; margin:0 0 10px; }
.note { font-size:13px; color:var(--muted); }
.note li { margin:4px 0; }

/* forms */
label { display:block; font-size:13px; font-weight:600; color:var(--muted); margin:10px 0 4px; }
input, select { width:100%; padding:12px; border:1px solid var(--line); border-radius:12px; font:inherit; background:#fff; color:var(--ink); }
input:focus, select:focus, button:focus-visible, summary:focus-visible { outline:2px solid var(--brand); outline-offset:1px; }
button { width:100%; padding:13px; margin-top:12px; border:0; border-radius:12px; background:var(--brand); color:#fff; font:inherit; font-weight:700; cursor:pointer; }
button:hover { background:var(--brand-dark); }
button.secondary { background:#fff; color:var(--ink); border:1px solid var(--line); }
button.secondary:hover { background:var(--brand-soft); }
button.big { padding:16px; font-size:17px; }
button:disabled { opacity:.6; cursor:default; }
.row { display:flex; gap:8px; }
.row > * { flex:1; min-width:0; }
.check { display:flex; gap:8px; align-items:flex-start; font-size:13px; font-weight:400; color:var(--ink); margin-top:12px; }
.check input { width:auto; margin-top:3px; accent-color:var(--brand); }

/* feedback */
.msg { padding:10px 12px; border-radius:12px; margin-top:10px; font-size:14px; }
.msg.err { background:var(--err-soft); color:var(--err); }
.msg.ok { background:var(--brand-soft); color:var(--brand-dark); }
.badge { display:inline-block; padding:2px 9px; border-radius:99px; font-size:12px; font-weight:600; background:var(--bg); }
.badge.approved, .badge.paid { background:var(--brand-soft); color:var(--brand-dark); }
.badge.cancelled, .badge.rejected { background:var(--err-soft); color:var(--err); }
.badge.pending, .badge.requested { background:var(--warn-soft); color:var(--warn); }

/* tables */
table { width:100%; border-collapse:collapse; font-size:13px; }
th, td { text-align:left; padding:9px 6px; border-bottom:1px solid var(--line); vertical-align:top; }
th { color:var(--muted); font-weight:600; }
.scroll { overflow-x:auto; }
.card td button { width:auto; padding:6px 10px; margin:2px; font-size:12px; border-radius:8px; }