:root {
  /* โทนสีเหลือง-อำพัน พื้นสว่าง อ่านง่ายกลางแดดหน้าร้าน */
  --bg: #fffbeb;          /* พื้นหลังครีม */
  --bg2: #fdf1cf;         /* แถบแท็บ */
  --card: #ffffff;
  --soft: #fff8e3;        /* พื้นช่องกรอก/กล่องย่อย */
  --line: #ecd9a4;        /* เส้นขอบโทนอำพันอ่อน */
  --text: #42301a;        /* น้ำตาลเข้ม */
  --muted: #8a7246;       /* น้ำตาลจาง สำหรับข้อความรอง */
  --accent: #d97706;      /* อำพันเข้ม */
  --ok: #15803d;
  --warn: #b45309;
  --danger: #dc2626;
  --radius: 12px;
  color-scheme: light;
}

* { box-sizing: border-box; }

/* ซ่อนจริงเสมอ — กันไม่ให้ display ของคลาสอื่นมาทับ attribute hidden */
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", "Noto Sans Thai", "Leelawadee UI", Tahoma, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

/* ── หัวเว็บ ── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 14px 20px;
  background: linear-gradient(135deg, #fcd34d, #f59e0b);
  border-bottom: 1px solid #e0a106;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo { font-size: 32px; }
.topbar h1 { margin: 0; font-size: 20px; color: #4a2f06; }
.topbar .sub { color: #7a5206; }
.sub { margin: 0; color: var(--muted); font-size: 13px; }
.bigclock {
  font-size: 32px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 1px;
  color: #4a2f06;
  user-select: none;                 /* แตะรัว ๆ เพื่อเข้าหน้าจัดการ ไม่ต้องให้ลากเลือกข้อความ */
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.headright { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }

/* ── แท็บ ── */
.tabs {
  display: flex;
  gap: 4px;
  padding: 10px 16px 0;
  background: var(--bg2);
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
}
.tab {
  background: transparent;
  border: 1px solid transparent;
  border-bottom: none;
  color: #7a6440;
  padding: 10px 18px;
  border-radius: 10px 10px 0 0;
  cursor: pointer;
  font-size: 15px;
  white-space: nowrap;
}
.tab:hover { color: var(--text); }
.tab.active {
  background: var(--bg);
  border-color: var(--line);
  color: #b45309;
  font-weight: 600;
}

/* แถบเตือนใต้แท็บ (เช่น เครื่องนี้ไม่ได้เชื่อมต่อชีต) */
.warnstrip {
  background: #fee2e2;
  color: #991b1b;
  border-bottom: 1px solid #fca5a5;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.warnstrip[hidden] { display: none !important; }
.warnbtn {
  border-color: #fca5a5;
  color: #991b1b;
  padding: 6px 12px;
  font-size: 13px;
  white-space: nowrap;
}

main { padding: 18px; max-width: 1280px; margin: 0 auto; }
.panel { display: none; }
.panel.active { display: block; }

/* ── การ์ด ── */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 18px;
  box-shadow: 0 1px 2px #b4890f1a;
}
.card h2 {
  margin: 0 0 14px;
  font-size: 17px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

/* ── ฟอร์ม ── */
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 12px; }
.btnrow { align-items: center; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.field { display: flex; flex-direction: column; gap: 5px; }
.field.grow { flex: 1; min-width: 180px; }
.field > span { font-size: 13px; color: var(--muted); }

input, select {
  background: var(--soft);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 10px;
  font-size: 15px;
  font-family: inherit;
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
input[type="number"] { max-width: 160px; }

/* ── ปุ่ม ── */
.btn {
  background: #fde8b0;
  color: var(--text);
  border: 1px solid #e3c470;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 15px;
  font-family: inherit;
  cursor: pointer;
}
.btn:hover { filter: brightness(.96); }
.btn.big { padding: 16px 30px; font-size: 18px; font-weight: 600; }
.btn.ok { background: #16a34a; border-color: #15803d; color: #fff; }
.btn.warn { background: #ea580c; border-color: #c2410c; color: #fff; }
.btn.danger { background: #dc2626; border-color: #b91c1c; color: #fff; }
.btn.ghost { background: transparent; border-color: var(--line); }
.filebtn { display: inline-block; }

/* ── ตาราง ── */
.tablewrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td {
  padding: 8px 10px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
th { color: #7a6440; font-weight: 600; font-size: 13px; background: #fdf1cfcc; }
tbody tr:hover { background: #f59e0b0f; }
td input, td select { padding: 5px 7px; font-size: 14px; }
td input[type="time"] { width: 110px; }
td input[type="number"] { width: 90px; max-width: none; }
td input[type="text"] { width: 150px; }
td input.pincell { width: 90px; text-align: center; letter-spacing: 2px; font-variant-numeric: tabular-nums; }
tfoot td { font-weight: 700; background: #fdf1cf; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.empty { color: var(--muted); text-align: center; padding: 24px; }

/* ── ป้ายสถานะ ── */
.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge.ok { background: #dcfce7; color: #15803d; }
.badge.warn { background: #fef3c7; color: #b45309; }
.badge.idle { background: #ece0c4; color: #7a6440; }
.badge.ot { background: #cffafe; color: #0e7490; }
.badge.err { background: #fee2e2; color: #b91c1c; }

.joincode {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 3px;
  font-variant-numeric: tabular-nums;
  color: #b45309;
  background: #fff4d1;
  border: 1px solid #e3c470;
  border-radius: 8px;
  padding: 6px 14px;
}
.joincode[hidden] { display: none !important; }

.syncbadge { white-space: nowrap; }
.syncbadge[hidden] { display: none !important; }

/* ── สรุปตัวเลข ── */
.statgrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(145px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.stat {
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
}
.stat .label { font-size: 12px; color: var(--muted); }
.stat .value { font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat.hl { background: #fff4d1; border-color: #e3c470; }
.stat.hl .value { color: #b45309; }

.hint { color: var(--muted); font-size: 13px; margin: 10px 0 0; }
.hint code { background: var(--soft); border: 1px solid var(--line); border-radius: 4px; padding: 0 4px; }
.subhead {
  margin: 20px 0 0;
  font-size: 15px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.note {
  margin-top: 14px;
  padding: 10px 12px;
  background: var(--soft);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  font-size: 13px;
  color: #6f5a36;
}
.iconbtn {
  background: transparent;
  border: none;
  color: var(--danger);
  cursor: pointer;
  font-size: 16px;
  padding: 2px 6px;
}

footer { padding: 10px 20px 24px; color: var(--muted); font-size: 12px; text-align: center; }
.adminlink { color: var(--muted); text-decoration: none; }
.adminlink:hover { color: var(--accent); }
.center { text-align: center; }

/* ═══════════ หน้าพนักงาน (kiosk) ═══════════ */
.view { display: none; }
.view.active { display: block; }

.pickhead { text-align: center; font-size: 20px; margin: 10px 0 20px; }

.empgrid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 14px;
}
.empcard {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 22px 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  color: var(--text);
  font-family: inherit;
  cursor: pointer;
  box-shadow: 0 1px 2px #b4890f1a;
  transition: transform .08s, border-color .15s, box-shadow .15s;
}
.empcard:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 14px #d977061f;
}
.empcard:active { transform: translateY(0); }
.empcard-name { font-size: 17px; font-weight: 600; text-align: center; }
.empcard-sub { font-size: 13px; color: var(--muted); }

.avatar {
  width: 58px; height: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 700;
}

.pinmark { font-size: 12px; color: var(--muted); min-height: 16px; }

/* ── แป้นใส่ PIN ── */
.pinpad {
  max-width: 340px;
  margin: 0 auto;
  text-align: center;
}
.pinpad h2 { border: none; padding: 0; margin: 12px 0 2px; font-size: 20px; }
.pinpad .avatar { margin: 0 auto; }
.pinpad .sub { margin: 0; color: var(--muted); font-size: 14px; }

.pindots { display: flex; justify-content: center; gap: 12px; margin: 18px 0 6px; }
.pindot {
  width: 16px; height: 16px;
  border-radius: 50%;
  border: 2px solid var(--line);
  background: transparent;
}
.pindot.filled { background: var(--accent); border-color: var(--accent); }

.pinerr { color: #b45309; font-size: 13px; min-height: 20px; margin: 0 0 10px; }

.keypad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.keypad.locked { opacity: .4; pointer-events: none; }
.key {
  background: #fde8b0;
  color: var(--text);
  border: 1px solid #e3c470;
  border-radius: 12px;
  padding: 18px 0;
  font-size: 24px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  font-variant-numeric: tabular-nums;
}
.key:hover { filter: brightness(.96); }
.key:active { transform: scale(.96); }
.key-ok { background: #16a34a; border-color: #15803d; color: #fff; }
.key-del { background: transparent; }

.shake { animation: shake .3s; }
@keyframes shake {
  25% { transform: translateX(-7px); }
  50% { transform: translateX(7px); }
  75% { transform: translateX(-4px); }
}

.back { margin-bottom: 12px; }
.persona { display: flex; align-items: center; gap: 16px; }
.persona h2 { margin: 0; border: none; padding: 0; font-size: 22px; }

/* กล่องบอกผลการลงเวลา */
.result {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  border-radius: var(--radius);
  border: 2px solid;
  margin-bottom: 18px;
  animation: pop .25s ease-out;
}
@keyframes pop {
  from { opacity: 0; transform: scale(.96); }
  to { opacity: 1; transform: scale(1); }
}
.result.ok { background: #f0fdf4; border-color: var(--ok); }
.result.fail { background: #fef2f2; border-color: var(--danger); }
.result.checking { background: var(--soft); border-color: var(--accent); }
.result.checking .result-title { color: #b45309; }
.result-icon { font-size: 38px; line-height: 1; }
.result-body { flex: 1; min-width: 0; }
.result-title { font-size: 20px; font-weight: 700; }
.result.ok .result-title { color: #15803d; }
.result.fail .result-title { color: #b91c1c; }
.result-detail { color: #6f5a36; font-size: 14px; margin-top: 2px; }
.result-count { font-size: 12px; color: var(--muted); white-space: nowrap; align-self: flex-start; }

/* ช่องแสดงเวลาเข้า/ออกที่ลงไว้แล้ว */
.stamps { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }
.stamp {
  background: var(--soft);
  border: 1px solid var(--line);
  border-left: 4px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
}
.stamp.done { border-left-color: var(--ok); background: #f4fdf6; }
.stamp-label { font-size: 13px; color: var(--muted); }
.stamp-time { font-size: 30px; font-weight: 700; font-variant-numeric: tabular-nums; }
.stamp.done .stamp-time { color: var(--ok); }
.stamp-state { font-size: 13px; color: var(--muted); min-height: 22px; }

.punchrow { margin: 4px 0 16px; }
.punchrow .btn.big { flex: 1; min-width: 200px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn:disabled:hover { filter: none; }

tr.istoday td { background: #f59e0b1f; }

/* ═══════════ หน้าล็อก ═══════════ */
.lock {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lockbox {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  width: min(360px, 92vw);
  max-height: 96vh;
  overflow-y: auto;
  text-align: center;
  box-shadow: 0 8px 24px #b4890f26;
}
.lockbox h2 { margin: 10px 0 2px; border: none; padding: 0; }
.lockbox .avatar { margin: 0 auto; }
.lockfoot { justify-content: center; margin: 14px 0 0; }

.forgot { margin-top: 10px; text-align: left; font-size: 12px; color: var(--muted); }
.forgot summary { cursor: pointer; text-align: center; color: var(--accent); }
.forgot p { margin: 8px 0; }
.forgot code {
  display: block;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px;
  font-size: 11px;
  word-break: break-all;
  user-select: all;
}
.forgot kbd {
  background: #fde8b0;
  border: 1px solid #e3c470;
  border-radius: 4px;
  padding: 0 4px;
}

@media (max-width: 640px) {
  .bigclock { font-size: 24px; }
  .btn.big { flex: 1; padding: 16px 10px; }
  .result { flex-wrap: wrap; padding: 16px; }
  .result-count { width: 100%; text-align: right; order: 3; }
  .result-title { font-size: 18px; }
  main { padding: 14px; }
}

@media print {
  .topbar, .tabs, footer, .btn, .hint, .field { display: none !important; }
  body { background: #fff; color: #000; }
  .card { border-color: #ccc; background: #fff; box-shadow: none; }
  th, td { border-color: #ccc; }
  th { background: #eee; color: #000; }
  .stat { background: #fff; border-color: #ccc; }
  .panel { display: none !important; }
  #tab-payroll { display: block !important; }
  #tab-payroll .field { display: flex !important; }
}