/* superthai-group-mvp — mobile-first, BMP-safe glyphs only */

:root {
  --blue: #1e40af;
  --blue-l: #3b82f6;
  --blue-bg: #eff6ff;
  --green: #047857;
  --orange: #e65100;
  --gray-9: #111827;
  --gray-7: #374151;
  --gray-5: #6b7280;
  --gray-3: #d1d5db;
  --gray-1: #f3f4f6;
  --red: #dc2626;
  --shadow: 0 2px 8px rgba(0, 0, 0, .06);
  --radius: 12px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--gray-1);
  color: var(--gray-9);
  font-family: -apple-system, BlinkMacSystemFont, "Noto Sans Thai", "Noto Sans KR", sans-serif;
  font-size: 15px;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}

.wrap { max-width: 560px; margin: 0 auto; padding: 12px 14px 40px; }

/* hero */
.hero { text-align: center; padding: 28px 8px 16px; }
.hero .emoji { font-size: 48px; }
.hero h1 { margin: 6px 0; font-size: 26px; font-weight: 800; color: var(--blue); }
.hero h1 small { display: block; font-size: 14px; font-weight: 500; color: var(--gray-5); margin-top: 4px; }
.hero .lede { color: var(--gray-7); margin: 8px 0 0; }
.hero .lede small { display: block; color: var(--gray-5); margin-top: 4px; font-size: 12px; }

/* card */
.card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
  margin: 14px 0;
}
.card.center { text-align: center; padding: 32px 20px; }
.card h2 { margin: 0 0 14px; font-size: 18px; color: var(--blue); }
.card h2 small { font-size: 13px; font-weight: 500; color: var(--gray-5); margin-left: 6px; }
.card h3 { margin: 0 0 10px; font-size: 16px; color: var(--gray-9); }
.card h3 small { font-size: 12px; font-weight: 500; color: var(--gray-5); margin-left: 5px; }

/* form */
form { display: flex; flex-direction: column; gap: 14px; }
label { display: flex; flex-direction: column; gap: 6px; }
label > span { font-weight: 600; color: var(--gray-7); font-size: 13px; }
label > span small { color: var(--gray-5); font-weight: 500; margin-left: 4px; }
input, select { padding: 11px 12px; font-size: 16px; border: 1px solid var(--gray-3); border-radius: 8px; background: #fff; font-family: inherit; -webkit-appearance: none; }
input:focus, select:focus { outline: 2px solid var(--blue-l); outline-offset: 0; border-color: transparent; }
.hint { font-size: 11px; color: var(--gray-5); font-style: normal; }

button, .btn-sec, .btn-add, .btn-finalize, .btn-import {
  padding: 12px 16px; font-size: 15px; font-weight: 700;
  border: 0; border-radius: 10px; cursor: pointer;
  font-family: inherit;
  -webkit-tap-highlight-color: transparent;
}
button[type=submit], #create-btn, .btn-add { background: linear-gradient(135deg, var(--blue-l), var(--blue)); color: #fff; }
.btn-add { background: linear-gradient(135deg, #10b981, #059669); }
.btn-sec { background: var(--gray-1); color: var(--gray-7); border: 1px solid var(--gray-3); display: inline-block; text-decoration: none; text-align: center; }
.btn-finalize { background: linear-gradient(135deg, #f59e0b, #d97706); color: #fff; width: 100%; padding: 16px; }
.btn-import { background: linear-gradient(135deg, var(--blue-l), var(--blue)); color: #fff; width: 100%; padding: 16px; }
button:active, .btn-sec:active, .btn-add:active, .btn-finalize:active, .btn-import:active { transform: scale(.98); }
button:disabled { opacity: .5; cursor: not-allowed; }

.err {
  background: #fef2f2; color: var(--red); padding: 10px 12px; border-radius: 8px;
  font-size: 13px; border: 1px solid #fecaca; margin-top: 6px;
}
.note { font-size: 13px; color: var(--gray-7); background: #fffbeb; padding: 10px 12px; border-radius: 8px; border-left: 3px solid #f59e0b; }
.note small { display: block; margin-top: 4px; color: var(--gray-5); }

/* how */
.how { background: #fff; border-radius: var(--radius); padding: 16px 18px; margin: 14px 0; box-shadow: var(--shadow); }
.how h3 { margin: 0 0 10px; color: var(--blue); }
.how ol { padding-left: 22px; margin: 0; color: var(--gray-7); }
.how ol li { margin-bottom: 6px; }
.how ol li small { color: var(--gray-5); display: block; font-size: 12px; }

footer { text-align: center; color: var(--gray-5); margin-top: 30px; font-size: 12px; }

/* group view */
.ghdr { background: linear-gradient(135deg, var(--blue), var(--blue-l)); color: #fff; padding: 20px 18px 18px; border-radius: var(--radius); margin: 0 0 14px; box-shadow: var(--shadow); }
.code-row { display: flex; align-items: center; gap: 10px; }
.code-row strong { font-size: 22px; }
.code { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 22px; font-weight: 800; letter-spacing: 1.5px; flex: 1; }
.btn-share { background: rgba(255,255,255,.2); color: #fff; padding: 8px 12px; font-size: 16px; border-radius: 8px; }
.meta { display: flex; justify-content: space-between; margin-top: 10px; font-size: 13px; opacity: .9; }
.status { padding: 2px 10px; background: rgba(255,255,255,.2); border-radius: 99px; font-weight: 700; }
.deadline { font-variant-numeric: tabular-nums; }
.me { margin-top: 12px; font-size: 14px; padding-top: 12px; border-top: 1px solid rgba(255,255,255,.2); }
.me a { color: #fff; opacity: .9; margin-left: 8px; text-decoration: underline; font-size: 12px; }

.totals .row1 { display: flex; justify-content: space-between; align-items: baseline; font-size: 17px; }
.totals .row1 strong { color: var(--orange); font-size: 22px; font-weight: 800; font-variant-numeric: tabular-nums; }
.totals .row2 { display: flex; justify-content: space-between; margin-top: 6px; color: var(--gray-5); font-size: 13px; }

.tabs-hd { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.tabs-hd h3 { margin: 0; }

.mem-block { border-top: 1px solid var(--gray-3); padding: 12px 0; }
.mem-block:first-child { border-top: 0; padding-top: 4px; }
.mem-block h4 { margin: 0 0 8px; font-size: 14px; color: var(--gray-7); display: flex; justify-content: space-between; align-items: baseline; }
.mem-block h4 .sub { font-size: 12px; color: var(--gray-5); font-weight: 500; }
.item-row { display: flex; align-items: center; gap: 8px; padding: 8px 0; font-size: 13px; border-bottom: 1px dashed var(--gray-1); }
.item-row:last-child { border-bottom: 0; }
.item-row .nm { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.item-row .qty { color: var(--gray-5); font-variant-numeric: tabular-nums; flex: 0 0 auto; padding: 0 4px; }
.item-row .pr { color: var(--orange); font-weight: 700; flex: 0 0 auto; font-variant-numeric: tabular-nums; }
.item-row .del { background: transparent; padding: 4px 8px; color: var(--red); font-size: 16px; }
.empty { color: var(--gray-5); text-align: center; padding: 20px 8px; font-style: italic; }

.actions { padding: 16px; }
.leader-note { font-size: 12px; color: var(--gray-5); margin: 10px 0 0; text-align: center; }
.leader-note small { display: block; margin-top: 2px; }

.finalized-card { background: #f0fdf4; border-left: 4px solid var(--green); }
.finalized-card h3 { color: var(--green); }

/* dialog */
.dlg { position: fixed; inset: 0; background: rgba(0,0,0,.5); display: flex; align-items: flex-end; justify-content: center; z-index: 1000; }
.dlg-box { background: #fff; width: 100%; max-width: 560px; border-radius: 16px 16px 0 0; padding: 20px; max-height: 90vh; overflow-y: auto; }
@media (min-width: 600px) { .dlg { align-items: center; } .dlg-box { border-radius: 16px; max-height: 80vh; } }
.dlg-box h3 { margin: 0 0 14px; color: var(--blue); font-size: 17px; }
.dlg-box form, .dlg-box { display: flex; flex-direction: column; gap: 12px; }
.row { display: flex; gap: 10px; }
.row .half { flex: 1; }
.dlg-actions { display: flex; gap: 10px; margin-top: 8px; }
.dlg-actions button { flex: 1; }

/* toast */
.toast { position: fixed; left: 50%; bottom: 30px; transform: translateX(-50%); background: var(--gray-9); color: #fff; padding: 12px 20px; border-radius: 999px; font-weight: 700; font-size: 14px; z-index: 1100; box-shadow: 0 6px 20px rgba(0,0,0,.3); }
.toast.err { background: var(--red); }
.toast.ok { background: var(--green); }