:root {
  --bg: #f7f7f6;
  --card: #ffffff;
  --ink: #111111;
  --muted: #6b6b6b;
  --gold: #111111;
  --gold-dim: #333333;
  --line: #e8e8e6;
  --warn: #9a6b3a;
  --bad: #c53030;
  --ok: #2f6b3a;
  --banner: #f4f4f2;
  --dash: #e8e8e6;
  --photo: #f4f4f2;
  --danger: #d4a0a0;
  --pad: #eeeeee;
  --pad-press: #e2e2e0;
  --tap: 44px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg);
  color: var(--ink);
  font-family: "IBM Plex Sans Thai", "Noto Sans Thai", ui-sans-serif, system-ui, sans-serif;
  min-height: 100%;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  color-scheme: light;
}

body {
  min-height: 100dvh;
  max-width: 420px;
  margin: 0 auto;
  -webkit-font-smoothing: antialiased;
  padding: 0 0 env(safe-area-inset-bottom);
  position: relative;
}

button, input, select, textarea { font: inherit; color: inherit; }
button { min-height: var(--tap); border: 0; background: none; cursor: pointer; }
input, textarea, select {
  min-height: var(--tap);
  background: var(--photo);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 10px 12px;
  width: 100%;
  outline: none;
}
textarea { min-height: 88px; resize: vertical; }
input:focus, textarea:focus { border-color: var(--ink); background: #fff; }

.hidden { display: none !important; }

.kicker {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
}

h1 { font-size: 26px; font-weight: 700; letter-spacing: -0.02em; }
h2.block-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.06em;
  margin: 18px 0 10px;
}

.hint, .sheet-lead {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
  margin-bottom: 14px;
}

/* lock */
#lock {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px 20px calc(28px + env(safe-area-inset-bottom));
  text-align: center;
}
#lock h1 { margin: 8px 0 6px; }
#lock p { color: var(--muted); font-size: 13px; margin-bottom: 16px; }
.lock-note {
  margin-top: 22px !important;
  max-width: 280px;
  font-size: 11px !important;
  line-height: 1.5;
  color: var(--muted);
}

.pin-dots { display: flex; gap: 14px; margin: 8px 0 18px; }
.pin-dots span {
  width: 12px; height: 12px; border-radius: 50%;
  border: 2px solid var(--ink);
}
.pin-dots span.on { background: var(--ink); }
.pin-dots.bad span { border-color: var(--bad); animation: shake 0.3s; }
.pin-error { color: var(--bad) !important; font-size: 13px; min-height: 18px; }

@keyframes shake {
  0%,100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

.pad {
  display: grid;
  grid-template-columns: repeat(3, 76px);
  gap: 16px;
}
.pad button {
  width: 76px; height: 76px; border-radius: 50%;
  background: var(--pad); color: var(--ink);
  font-size: 24px; font-weight: 600;
  border: 0;
}
.pad button:active { background: var(--pad-press); }
.pad .ghost { font-size: 13px; color: var(--muted); }

/* app */
#app {
  padding: max(10px, env(safe-area-inset-top)) 18px 28px;
}

.top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}
.top-brand h1 { font-size: 20px; line-height: 1.2; }
.icon-btn {
  padding: 8px 12px;
  border-radius: 12px;
  background: var(--card);
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
}
.back {
  color: var(--ink);
  font-weight: 600;
  font-size: 14px;
  padding: 6px 0;
  min-width: 56px;
  text-align: left;
}

.who {
  color: var(--muted);
  font-size: 13px;
  margin: 4px 0 12px;
}

.banner {
  background: var(--banner);
  color: var(--ink);
  border: 1px dashed var(--dash);
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 12px;
  margin-bottom: 12px;
  line-height: 1.45;
}
.banner.warn-banner {
  background: #faf6f2;
  color: var(--warn);
  border-color: #ead9c8;
}

.hero-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  width: 100%;
  min-height: 112px;
  padding: 22px 22px;
  margin-bottom: 12px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: var(--card);
  text-align: left;
}
.hero-btn:active { transform: scale(0.985); background: #fafafa; }
.hero-btn.gold-edge {
  border-color: var(--ink);
  background: var(--card);
}
.hero-kicker {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
}
.hero-title {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 4px 0 2px;
}
.hero-hint { color: var(--muted); font-size: 13px; line-height: 1.35; }

.admin-block { margin-top: 18px; }
.admin-row {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 18px;
  margin-bottom: 8px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  font-size: 16px;
  font-weight: 600;
}
.admin-row strong {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  font-size: 20px;
}

.field { display: block; margin-bottom: 10px; }
.field span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 6px;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.seg {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}
.seg.wrap { flex-wrap: wrap; }
.seg button {
  flex: 1;
  min-width: 42%;
  padding: 12px 10px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--card);
  font-weight: 600;
  font-size: 14px;
}
.seg.two button { min-height: 64px; font-size: 18px; }
.seg button.on {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  margin-bottom: 12px;
}
.toggle-title { font-size: 14px; font-weight: 600; }
.toggle-hint { font-size: 11px; color: var(--muted); margin-top: 2px; }

.switch {
  width: 48px; height: 28px; border-radius: 99px;
  border: 1px solid var(--line);
  background: var(--pad);
  position: relative;
  flex-shrink: 0;
  min-height: 28px;
  padding: 0;
}
.switch .knob {
  position: absolute; top: 3px; left: 3px;
  width: 20px; height: 20px; border-radius: 99px;
  background: #fff;
  box-shadow: 0 1px 2px rgba(0,0,0,0.12);
  transition: transform 0.18s ease, background 0.18s ease;
}
.switch[aria-checked="true"] { background: var(--ink); border-color: var(--ink); }
.switch[aria-checked="true"] .knob { transform: translateX(20px); background: #fff; }

.btn {
  width: 100%;
  padding: 16px 12px;
  border-radius: 14px;
  font-weight: 600;
  font-size: 16px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  margin: 8px 0 12px;
}
.btn.primary { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn.ghost-btn {
  background: transparent;
  color: var(--ink);
  border-style: dashed;
  border-color: var(--dash);
}
.btn.danger {
  background: transparent;
  color: var(--bad);
  border-color: var(--danger);
  width: auto;
  flex: 1;
  margin: 0;
  padding: 10px 8px;
  font-size: 14px;
}
.btn.ok-btn {
  background: #f3f7f3;
  color: var(--ok);
  border-color: #cfe0d2;
  width: auto;
  flex: 1;
  margin: 0;
  padding: 10px 8px;
  font-size: 14px;
}
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.45; transform: none; }

.item-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 12px;
}
.item-grid button {
  min-height: 72px;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--card);
  font-weight: 600;
  font-size: 15px;
  text-align: left;
  line-height: 1.3;
}
.item-grid button.on {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
}

.float-lock {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 20px 20px 18px;
  margin-bottom: 14px;
}
.float-lock .label { color: var(--muted); font-size: 12px; font-weight: 600; letter-spacing: 0.06em; }
.float-lock .num {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  margin: 4px 0 6px;
}
.float-lock p { color: var(--muted); font-size: 12px; line-height: 1.4; }

.cash-math {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 18px;
  margin: 8px 0 12px;
}
.diff-hero { text-align: center; padding: 8px 0 14px; border-bottom: 1px solid var(--line); margin-bottom: 10px; }
.diff-hero .label { color: var(--muted); font-size: 12px; }
.diff-hero .num {
  font-size: 42px;
  font-weight: 700;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
  margin: 4px 0;
}
.diff-hero .num.gold { color: var(--ink); }
.diff-hero .num.bad { color: var(--bad); }
.diff-hero .num.ok { color: var(--ok); }
.diff-hero .hint { color: var(--muted); font-size: 12px; margin: 0; }
.math-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 0;
  font-size: 13px;
  color: var(--muted);
}
.math-row strong {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.list { display: flex; flex-direction: column; gap: 8px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 18px;
}
.card .meta { color: var(--muted); font-size: 12px; margin-top: 4px; line-height: 1.4; }
.card .title { font-size: 16px; font-weight: 600; }
.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 99px;
  border: 1px solid var(--line);
  color: var(--muted);
  margin-left: 6px;
  vertical-align: middle;
}
.badge.pending { color: var(--warn); border-color: #ead9c8; }
.badge.approved, .badge.resolved { color: var(--ok); border-color: #cfe0d2; }
.badge.rejected, .badge.reopened { color: var(--bad); border-color: var(--danger); }
.badge.closed { color: var(--ink); border-color: var(--line); }
.row-btns { display: flex; gap: 8px; margin-top: 10px; }

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(20px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  background: var(--ink);
  color: #fff;
  border: 1px solid var(--ink);
  border-radius: 14px;
  padding: 12px 16px;
  font-size: 13px;
  font-weight: 600;
  z-index: 50;
  max-width: 360px;
  text-align: center;
}

.empty { color: var(--muted); font-size: 13px; padding: 8px 0; }

.cash-closed-box .num { font-size: 32px; font-weight: 700; color: var(--ink); font-variant-numeric: tabular-nums; }

.label { color: var(--muted); font-size: 12px; }
.num { font-variant-numeric: tabular-nums; }

@media (min-width: 480px) {
  body { padding-top: 12px; }
}

.badge.admin { color: var(--ink); border-color: var(--ink); }
.badge.staff-role { color: var(--muted); border-color: var(--line); }
.badge.live { color: var(--ok); border-color: #cfe0d2; }
.badge.dead { color: var(--muted); border-color: var(--line); }
.card.dim { opacity: 0.62; }
.row-btns { flex-wrap: wrap; }
.btn.mid-btn {
  background: var(--photo);
  color: var(--ink);
  border-color: var(--line);
  width: auto;
  flex: 1;
  min-width: 42%;
  margin: 0;
  padding: 10px 8px;
  font-size: 14px;
}

#tg-settings {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px dashed var(--dash);
}
#tg-token-hint { color: var(--muted); }

/* public leave page */
.leave-page #app {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}
.leave-page .top { margin-bottom: 4px; }
.req {
  color: var(--bad);
  font-style: normal;
  font-weight: 600;
}
.site-foot {
  margin-top: auto;
  padding: 36px 0 10px;
  text-align: center;
}
.site-foot a {
  color: #c8c8c4;
  font-size: 11px;
  text-decoration: none;
  font-weight: 500;
  letter-spacing: 0.04em;
}
.site-foot a:hover,
.site-foot a:focus {
  color: #8a8a86;
  text-decoration: underline;
}