:root {
  --navy: #1f3a5f;
  --navy-dark: #16293f;
  --accent: #2e7d6b;
  --bg: #f4f6f9;
  --card: #ffffff;
  --text: #20303d;
  --muted: #5b6b78;
  --border: #e1e7ee;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", "Sarabun", Tahoma, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  background: linear-gradient(135deg, var(--navy), var(--navy-dark));
  color: #fff;
  padding: 28px 0;
}
.site-header h1 { margin: 0; font-size: 1.5rem; }
.site-header .subtitle { margin: 4px 0 0; opacity: 0.8; font-size: 0.9rem; }

main.container { padding-top: 28px; padding-bottom: 40px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
  margin-bottom: 18px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.card h2 { margin-top: 0; font-size: 1.1rem; color: var(--navy); }

.badge {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 8px;
}
.badge-ok { background: #e3f4ee; color: var(--accent); }

.info-table { width: 100%; border-collapse: collapse; }
.info-table th, .info-table td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
}
.info-table th { color: var(--muted); font-weight: 600; width: 55%; }

code {
  background: #eef1f5;
  padding: 1px 6px;
  border-radius: 5px;
  font-size: 0.9em;
}

.next-step { border-left: 4px solid var(--accent); }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 18px 0;
  color: var(--muted);
  font-size: 0.85rem;
}

/* ---- ปุ่ม ---- */
.btn {
  display: inline-block;
  border: none;
  border-radius: 8px;
  padding: 11px 20px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  font-family: inherit;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #256457; }
.btn-ghost {
  background: #fff;
  color: var(--navy);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: #f0f3f7; }

.page-title { color: var(--navy); }
.cta-card { border-left: 4px solid var(--accent); }
.cta-card .btn { margin-top: 8px; }

/* ---- แจ้งเตือน ---- */
.alert {
  border-radius: 10px;
  padding: 14px 18px;
  margin-bottom: 18px;
  font-weight: 500;
}
.alert-error { background: #fdecea; color: #b3261e; border: 1px solid #f5c6c2; }
.alert-info { background: #eaf3fb; color: #1f3a5f; border: 1px solid #c5dcf0; }

/* ---- กล่องกรอกรหัสบายพาส (โหมดปกติ) ---- */
.bypass-mini label { display: block; font-weight: 600; margin-bottom: 8px; }
.bypass-mini .mini-row { display: flex; gap: 10px; }
.bypass-mini .mini-row input {
  flex: 1;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
}

/* ---- ข้อปฏิบัติ ---- */
.guidelines h3 { margin-top: 0; color: var(--navy); }
.guidelines ul { margin: 0; padding-left: 20px; }
.guidelines li { margin-bottom: 6px; }

/* ข้อความภาษาอังกฤษกำกับใต้ไทย */
.en { display: block; color: var(--muted); font-size: 0.85rem; }
.field small { color: var(--muted); font-size: 0.82rem; display: block; margin-top: 3px; }

/* ---- ฟอร์มจอง ---- */
.section-head {
  color: var(--navy);
  border-bottom: 2px solid var(--border);
  padding-bottom: 6px;
  margin: 22px 0 14px;
}
.field { margin-bottom: 14px; }
.field label { display: block; font-weight: 600; margin-bottom: 5px; font-size: 0.92rem; }
.field input,
.field select {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  background: #fff;
}
.field small { color: var(--muted); font-size: 0.82rem; }
.req { color: #b3261e; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
@media (max-width: 520px) { .grid-2 { grid-template-columns: 1fr; } }

.visitor-block {
  position: relative;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 14px;
}
.visitor-block.primary { background: #f3f8f6; }
.remove-visitor {
  position: absolute;
  top: 8px; right: 8px;
  border: none;
  background: #fdecea;
  color: #b3261e;
  width: 26px; height: 26px;
  border-radius: 50%;
  cursor: pointer;
  font-weight: 700;
}

.bypass { margin: 16px 0; }
.bypass summary { cursor: pointer; color: var(--muted); }

.consent {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: #fffdf3;
  border: 1px solid #ece4c0;
  border-radius: 10px;
  padding: 14px 16px;
  margin: 18px 0;
  font-size: 0.92rem;
}
.consent input { margin-top: 3px; }

/* ---- หน้าผลการจอง ---- */
.success-card { text-align: center; }
.ref-box {
  margin: 16px auto 4px;
  padding: 18px;
  border: 2px dashed var(--accent);
  border-radius: 12px;
  max-width: 420px;
}
.ref-label { color: var(--muted); font-size: 0.85rem; }
.ref-code {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--navy);
  word-break: break-all;
  margin: 6px 0;
}
.ref-no { color: var(--muted); font-size: 0.85rem; }
.visitors-table th { width: auto; }
.tag {
  background: var(--accent);
  color: #fff;
  font-size: 0.72rem;
  padding: 1px 7px;
  border-radius: 999px;
  margin-left: 4px;
}

.muted { color: var(--muted); }
.btn-sm { padding: 6px 12px; font-size: 0.85rem; }

/* ---- หน้า login/ตั้งรหัส ---- */
.auth-card { max-width: 420px; margin: 0 auto; }
.auth-card h2 { margin-top: 0; color: var(--navy); }
.auth-card .hint { font-size: 0.82rem; margin-bottom: 0; }

/* ============ ฝั่งเจ้าหน้าที่ (admin) ============ */
.admin-header {
  background: var(--navy-dark);
  color: #fff;
}
.admin-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 12px;
  padding-bottom: 12px;
  max-width: 980px;
}
.admin-logo { font-weight: 700; }
.admin-nav { display: flex; gap: 14px; flex: 1; }
.admin-nav a { color: #cfe0f0; text-decoration: none; font-weight: 600; }
.admin-nav a:hover { color: #fff; }
.admin-user { font-size: 0.85rem; color: #cfe0f0; }
.admin-user a { color: #ffd9d4; }
.admin-main { max-width: 980px; padding-top: 24px; padding-bottom: 40px; }

.admin-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.admin-head h1 { color: var(--navy); font-size: 1.3rem; margin: 0; }
.date-nav { display: flex; gap: 8px; }

.stats-row { display: flex; gap: 14px; margin: 16px 0; flex-wrap: wrap; }
.stat {
  flex: 1;
  min-width: 150px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  text-align: center;
}
.stat-num { font-size: 1.6rem; font-weight: 700; color: var(--navy); }
.stat-label { color: var(--muted); font-size: 0.85rem; }

.list-table th { width: auto; color: var(--muted); }

.st-ok { color: var(--accent); font-weight: 600; }
.st-used { color: var(--muted); }
.st-exp { color: #b3261e; }

.big-code { font-size: 1.2rem; letter-spacing: 1px; }
.link-box {
  display: block;
  margin-top: 4px;
  padding: 8px 10px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  word-break: break-all;
}

/* ---- แถวปฏิทิน ---- */
.cal-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  padding: 12px 16px;
  margin-bottom: 10px;
}
.cal-row.weekend { background: #fbfbf5; }
.cal-date { font-weight: 600; min-width: 170px; }
.cal-used { color: var(--muted); min-width: 90px; }
.cal-quota { display: flex; align-items: center; gap: 8px; flex: 1; min-width: 220px; }
.cal-quota .qty { width: 80px; padding: 6px 8px; border: 1px solid var(--border); border-radius: 6px; }
.reset-lbl { font-size: 0.82rem; color: var(--muted); display: flex; align-items: center; gap: 4px; }
.cal-chk { font-size: 0.88rem; display: flex; align-items: center; gap: 5px; white-space: nowrap; }
@media (max-width: 640px) { .cal-date { min-width: 100%; } }

/* ลิงก์เจ้าหน้าที่ที่ footer สาธารณะ */
.staff-link { color: var(--muted); text-decoration: none; }
.staff-link:hover { text-decoration: underline; }

/* ---- กล่อง autocomplete (ค้นรายชื่อผู้ต้องกัก) ---- */
.ac-box { margin-top: 4px; }
.ac-item, .ac-empty {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-top: none;
  background: #fff;
  font-size: 0.92rem;
}
.ac-item { cursor: pointer; }
.ac-item:hover { background: #eef4f2; }
.ac-item:first-child, .ac-empty:first-child { border-top: 1px solid var(--border); border-radius: 6px 6px 0 0; }
.ac-empty { color: var(--muted); }

/* ---- ปุ่ม/แอ็กชัน ---- */
.action-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.actions-card .action-row { margin-bottom: 8px; }

/* ---- รายงาน ---- */
.filter-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 0 14px; }
.report-filter .action-row { margin-top: 6px; }
.table-scroll { overflow-x: auto; }
.detail-cell { max-width: 280px; font-size: 0.8rem; color: var(--muted); word-break: break-word; }

/* ============ การพิมพ์ (บัญชีเบิกตัว / ใบฝากของ) ============ */
.print-page { background: #fff; color: #000; }
.print-toolbar { padding: 14px; display: flex; gap: 10px; }
.print-doc { max-width: 800px; margin: 0 auto; padding: 20px 28px; }
.print-doc h1 { text-align: center; font-size: 1.3rem; margin: 0 0 4px; }
.print-doc .sub { text-align: center; color: #333; font-size: 0.9rem; margin: 0 0 18px; }
.print-table { width: 100%; border-collapse: collapse; }
.print-table th, .print-table td { border: 1px solid #444; padding: 7px 9px; font-size: 0.9rem; text-align: left; }
.print-table thead th { background: #eee; }
.sign-row { display: flex; justify-content: space-between; margin-top: 50px; font-size: 0.9rem; }

.ticket {
  max-width: 420px;
  margin: 16px auto;
  border: 2px solid #000;
  border-radius: 8px;
  padding: 14px 18px;
}
.ticket-head { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px dashed #000; padding-bottom: 8px; margin-bottom: 8px; }
.ticket-code { font-family: monospace; font-weight: 700; }
.ticket-table { width: 100%; border-collapse: collapse; }
.ticket-table th, .ticket-table td { padding: 5px 6px; font-size: 0.92rem; text-align: left; vertical-align: top; }
.ticket-table th { width: 42%; color: #333; font-weight: 600; }
.ticket-note { font-size: 0.82rem; color: #333; margin-top: 10px; }

@media print {
  .no-print { display: none !important; }
  body { margin: 0; }
  .print-doc, .ticket { margin: 0; }
}