:root {
  --bg: #fbfbfd;
  --card: #ffffff;
  --fill: #f5f5f7;
  --border: #e4e4e9;
  --border-strong: #d6d6db;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --navy: #1c2333;
  --navy-2: #2a3350;
  --green: #1d8a44;
  --blue: #0a6ae0;
  --red: #d70015;
  --radius-card: 18px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: "Noto Sans Thai", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: calc(20px + env(safe-area-inset-top)) 18px calc(28px + env(safe-area-inset-bottom));
}

/* ---------- header ---------- */
.top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}
h1 {
  margin: 0;
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: 0.2px;
}
.sub {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

/* ---------- buttons ---------- */
.btn {
  font: inherit;
  font-weight: 600;
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 11px 20px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
  -webkit-tap-highlight-color: transparent;
}
.btn:active { transform: scale(0.97); }
.btn[disabled] { opacity: 0.55; cursor: default; transform: none; }

.btn-primary {
  background: var(--navy);
  color: #fff;
}
.btn-primary:hover { background: var(--navy-2); }

.btn-secondary {
  background: var(--card);
  border-color: var(--border-strong);
  color: var(--text);
  width: 100%;
}
.btn-secondary.on {
  background: #eef9f1;
  border-color: #b7e2c3;
  color: var(--green);
}

.btn-ghost {
  background: var(--card);
  border-color: var(--border-strong);
  color: var(--muted);
  font-weight: 500;
  width: 100%;
}
.btn-ghost:hover { color: var(--text); border-color: #bcbcc2; }

/* ---------- status text ---------- */
.hint { color: var(--muted); font-size: 0.88rem; margin: 8px 0 0; }
.hint.warn { color: #b25000; }
.hint.center { text-align: center; margin-top: 26px; }
.msg { color: var(--blue); }
.hidden { display: none; }

.pushblock { margin-top: 18px; }
.pushblock .btn + .btn { margin-top: 10px; }

/* ---------- card ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 18px 18px 20px;
  margin-top: 20px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}
.card h2 { margin: 0 0 10px; font-size: 1.08rem; font-weight: 700; }
.card h2.mt { margin-top: 22px; }

.postal-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.postal-row label { color: var(--muted); font-size: 0.92rem; white-space: nowrap; }
.postal-row input {
  font: inherit;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--text);
  background: var(--card);
  border: 1.5px solid var(--border-strong);
  border-radius: 12px;
  padding: 9px 14px;
  width: 132px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.postal-row input:focus {
  border-color: var(--navy-2);
  box-shadow: 0 0 0 3px rgba(28, 35, 51, 0.12);
}

.webhook-row { margin: 12px 0 10px; }
.webhook-row input {
  font: inherit;
  font-size: 0.9rem;
  color: var(--text);
  background: var(--card);
  border: 1.5px solid var(--border-strong);
  border-radius: 12px;
  padding: 10px 14px;
  width: 100%;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.webhook-row input:focus {
  border-color: var(--navy-2);
  box-shadow: 0 0 0 3px rgba(28, 35, 51, 0.12);
}

/* ---------- chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  font: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--card);
  border: 1.5px solid var(--border-strong);
  border-radius: 999px;
  padding: 9px 20px;
  cursor: pointer;
  transition:
    background 0.25s cubic-bezier(0.2, 0.8, 0.3, 1),
    border-color 0.25s ease,
    color 0.25s ease,
    transform 0.25s cubic-bezier(0.2, 0.8, 0.3, 1),
    box-shadow 0.25s ease;
  -webkit-tap-highlight-color: transparent;
}
.chip:active { transform: scale(0.95); }
.chip.on {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
  transform: scale(1.03);
  box-shadow: 0 4px 12px rgba(28, 35, 51, 0.22);
}
.group-label { color: var(--muted); font-size: 0.85rem; margin: 16px 0 8px; }

/* ---------- last check ---------- */
.lastcheck { color: var(--muted); font-size: 0.95rem; margin: 18px 2px 6px; }
.lastcheck .err { color: var(--red); }

/* ---------- sections ---------- */
.section { margin-top: 20px; }
.section h2 { font-size: 1.15rem; font-weight: 700; margin: 0 0 12px; }

.empty {
  background: var(--fill);
  border-radius: 14px;
  padding: 16px 18px;
  color: var(--text);
}

.store {
  background: var(--fill);
  border-radius: 16px;
  padding: 14px 16px;
  margin-bottom: 10px;
}
.store .store-name { font-weight: 700; }
.store .store-meta { color: var(--muted); font-size: 0.85rem; margin: 2px 0 8px; }
.store .item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 4px 0;
  font-size: 0.95rem;
}
.store .item .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  flex: none;
  transform: translateY(-1px);
}
.store .item .quote { color: var(--green); font-size: 0.88rem; }
.store .item .d-quote { color: var(--blue); font-size: 0.88rem; }

/* ---------- history ---------- */
.h-item {
  padding: 11px 4px;
  border-bottom: 1px solid #ececf0;
  font-size: 0.95rem;
  color: #3a3a3c;
  word-break: break-word;
}
.h-item:last-child { border-bottom: none; }
.h-item .t { color: var(--muted); font-variant-numeric: tabular-nums; }
.h-item .ok { color: var(--green); }
.h-item .model { color: var(--muted); }

/* ---------- spinner ---------- */
.spin {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  vertical-align: -2px;
  margin-right: 8px;
}
@keyframes spin { to { transform: rotate(360deg); } }

@media (min-width: 560px) {
  .pushblock { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; align-items: start; }
  .pushblock .btn + .btn { margin-top: 0; }
  .pushblock .hint, .pushblock .hint.warn { grid-column: 1 / -1; }
  .wrap { padding-top: 34px; }
  .top .btn-primary { flex: none; }
}