/* ระบบแจ้งเตือนอุบัติเหตุ — ชุดสีอ้างอิงจากงานก่อสร้าง:
   เหล็กและคอนกรีตเป็นพื้น ใช้สีส้มสะท้อนแสงเฉพาะจุดที่ต้องการให้สะดุดตาเท่านั้น */

:root {
  --page:    #eef1f3;
  --surface: #ffffff;
  --sunken:  #f6f8f9;
  --line:    #d5dce1;
  --line-2:  #e6ebee;
  --ink:     #151a1e;
  --muted:   #5c6b75;
  --steel:   #0b5e86;
  --steel-b: #f2f7fa;
  --hiviz:   #c7811a;
  --hiviz-b: #fbf0dc;
  --danger:  #a8322b;
  --danger-b:#f7dcda;
  --ok:      #1d6b4f;
  --ok-b:    #e2f1ea;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: "Sarabun", "IBM Plex Sans Thai", Tahoma, sans-serif;
  font-size: 15px;
  line-height: 1.65;
}

code, .mono, .code {
  font-family: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  font-size: .86em;
  letter-spacing: -.01em;
}

a { color: var(--steel); }

/* ---- โครง ---- */
.topbar {
  background: var(--ink);
  color: #fff;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}
.topbar .brand {
  font-weight: 600;
  padding: 13px 0;
  margin-right: 6px;
  letter-spacing: .01em;
}
.topbar .brand span { color: var(--hiviz); }
.topbar a {
  color: #c3ccd2;
  text-decoration: none;
  padding: 13px 0;
  font-size: 14px;
  border-bottom: 2px solid transparent;
}
.topbar a:hover { color: #fff; }
.topbar a.on { color: #fff; border-bottom-color: var(--hiviz); }
.topbar .right { margin-left: auto; font-size: 13px; color: #8d99a1; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 26px 20px 60px; }
.narrow { max-width: 720px; }

h1 { font-size: 22px; font-weight: 600; margin: 0 0 4px; }
h2 { font-size: 17px; font-weight: 600; margin: 28px 0 10px; }
.sub { color: var(--muted); font-size: 14px; margin: 0 0 20px; }

/* ---- การ์ดและตาราง ---- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px 20px;
  margin-bottom: 16px;
}
.card.tight { padding: 0; }

table.grid { width: 100%; border-collapse: collapse; font-size: 14px; }
table.grid th {
  text-align: left;
  font-weight: 500;
  font-size: 12px;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--sunken);
  white-space: nowrap;
}
table.grid td { padding: 11px 14px; border-bottom: 1px solid var(--line-2); vertical-align: top; }
table.grid tr:last-child td { border-bottom: 0; }
table.grid tr:hover td { background: #fafcfd; }
td.num, th.num { text-align: right; }

/* ---- ป้าย ---- */
.pill {
  display: inline-block;
  font-size: 12px;
  padding: 2px 9px;
  border-radius: 5px;
  background: var(--sunken);
  color: var(--muted);
  white-space: nowrap;
}
.pill.phase  { background: var(--steel-b); color: var(--steel); }
.pill.hazard { background: var(--hiviz-b); color: #7a4f0a; }
.sev-low  { background: #eef1f3; color: #3d4a52; }
.sev-mid  { background: var(--hiviz-b); color: #7a4f0a; }
.sev-high { background: #fae3d9; color: #8a3a17; }
.sev-crit { background: var(--danger-b); color: #8a2420; }

/* ---- signature: แถบเหตุผลที่ระบบเลือกเคสนี้ ---- */
.why {
  border-left: 3px solid var(--hiviz);
  background: var(--hiviz-b);
  padding: 9px 12px;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: #7a4f0a;
}
.why b { font-weight: 600; }
.why .term {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  background: #fff;
  border: 1px solid #ecd8ae;
  padding: 0 5px;
  border-radius: 3px;
  margin-right: 3px;
  display: inline-block;
}
.score {
  float: right;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  color: #7a4f0a;
}

/* ---- ฟอร์ม ---- */
label { display: block; font-size: 13px; color: var(--muted); margin: 14px 0 5px; }
input[type=text], input[type=number], input[type=email], input[type=password],
input[type=date], select, textarea {
  width: 100%;
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
  font-size: 14px;
  background: #fff;
  color: var(--ink);
}
textarea { min-height: 78px; resize: vertical; line-height: 1.6; }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--steel);
  box-shadow: 0 0 0 3px rgba(11, 94, 134, .12);
}
.row { display: flex; gap: 16px; flex-wrap: wrap; }
.row > * { flex: 1 1 200px; min-width: 0; }

.btn {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 6px;
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { border-color: #9fb0ba; }
.btn.primary { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn.primary:hover { background: #2a343b; }
.btn.warn { background: var(--hiviz); border-color: var(--hiviz); color: #fff; }
.btn.sm { padding: 4px 10px; font-size: 13px; }

.checks { display: flex; flex-wrap: wrap; gap: 6px 10px; margin-top: 6px; }
.checks label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 5px 11px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  font-size: 13px;
  cursor: pointer;
}
.checks input { margin: 0; accent-color: var(--steel); }
.checks label:has(input:checked) { border-color: var(--steel); background: var(--steel-b); }

/* ---- แถบแจ้งผล ---- */
.note { padding: 11px 14px; border-radius: 7px; font-size: 14px; margin-bottom: 16px; }
.note.ok   { background: var(--ok-b);     color: var(--ok);     border: 1px solid #bfe0d0; }
.note.err  { background: var(--danger-b); color: var(--danger); border: 1px solid #edc4c0; }
.note.info { background: var(--steel-b);  color: var(--steel);  border: 1px solid #cbe0ea; }

.empty { padding: 44px 20px; text-align: center; color: var(--muted); font-size: 14px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.stat { font-family: "IBM Plex Mono", monospace; font-size: 24px; font-weight: 500; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.stats .card { margin: 0; }

@media (max-width: 640px) {
  .wrap { padding: 18px 12px 48px; }
  table.grid th, table.grid td { padding: 9px 10px; }
}