/* R²-SAFE ต้นแบบ V0.2: โทนสว่าง ทางการ */
:root {
  --bg: #f3f6fa; --card: #ffffff; --ink: #14233a; --muted: #5d6c80; --line: #dbe3ec; --line2: #eef2f7;
  --navy: #12355f; --blue: #1f5fae; --blue-soft: #e8f0fb; --teal: #0f7b6c; --teal-soft: #e3f5f1;
  --red: #b3261e; --red-soft: #fdebe9; --amber: #8a5a00; --amber-soft: #fff3d6; --green: #1b6b45; --green-soft: #e1f4ea;
  --shadow: 0 1px 2px rgba(18, 53, 95, .06), 0 4px 14px rgba(18, 53, 95, .05);
  --r: 12px;
}
* { box-sizing: border-box; }
html { font-size: 16px; scroll-padding-top: 12px; }
body { margin: 0; background: var(--bg); color: var(--ink); line-height: 1.6;
  font-family: "Noto Sans Thai", "Leelawadee UI", "Sarabun", "TH Sarabun New", Tahoma, system-ui, sans-serif; }
a { color: var(--blue); }
.skip { position: absolute; left: -999px; } .skip:focus { left: 8px; top: 8px; background: #fff; padding: 6px 10px; z-index: 50; }
button, select, input, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid #5b9bf0; outline-offset: 2px; border-radius: 6px; }

/* ---------- เค้าโครง ---------- */
.app { display: grid; grid-template-columns: 250px 1fr; min-height: 100vh; }
.side { background: var(--card); border-right: 1px solid var(--line); padding: 18px 14px; display: flex; flex-direction: column; gap: 14px; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.brand { display: flex; gap: 10px; align-items: center; padding: 2px 6px 10px; border-bottom: 1px solid var(--line2); }
.logo { width: 42px; height: 42px; border-radius: 11px; background: linear-gradient(135deg, var(--navy), var(--blue)); color: #fff; display: grid; place-items: center; font-weight: 700; flex: none; }
.brand b { display: block; font-size: 1.1rem; line-height: 1.2; } .brand small { color: var(--muted); font-size: .78rem; }
#nav { display: flex; flex-direction: column; gap: 3px; }
#nav button { display: flex; align-items: center; gap: 10px; text-align: left; border: 0; background: none; padding: 10px 12px; border-radius: 9px; cursor: pointer; color: var(--muted); font-weight: 500; }
#nav button svg { width: 19px; height: 19px; flex: none; }
#nav button:hover { background: var(--line2); color: var(--ink); }
#nav button[aria-current="page"] { background: var(--blue-soft); color: var(--navy); font-weight: 700; }
#nav .sep { font-size: .72rem; color: var(--muted); text-transform: none; letter-spacing: .02em; padding: 12px 12px 3px; }
.side-foot { margin-top: auto; font-size: .82rem; color: var(--muted); }
.side-foot p { margin: 6px 2px 0; }
.main { min-width: 0; display: flex; flex-direction: column; }
.bar { display: flex; justify-content: space-between; gap: 14px; align-items: flex-start; flex-wrap: wrap; padding: 18px 28px 10px; }
.bar h1 { margin: 0; font-size: 1.55rem; line-height: 1.25; color: var(--navy); }
.sub { margin: 2px 0 0; color: var(--muted); font-size: .95rem; max-width: 70ch; }
.bar-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.strip { margin: 0 28px 4px; background: var(--amber-soft); border: 1px solid #ecd28a; color: #5c4200; border-radius: 10px; padding: 8px 14px; font-size: .88rem; }
#view { padding: 14px 28px 30px; outline: none; flex: 1; }
.foot { padding: 14px 28px 24px; color: var(--muted); font-size: .85rem; border-top: 1px solid var(--line); background: var(--card); }

/* ---------- ส่วนประกอบ ---------- */
.btn { border: 1px solid var(--line); background: var(--card); padding: 8px 15px; border-radius: 9px; cursor: pointer; font-weight: 500; }
.btn:hover { border-color: #b9c7d8; background: #fafcff; }
.btn.primary { background: var(--blue); border-color: var(--blue); color: #fff; } .btn.primary:hover { background: #194f93; }
.btn.ghost { background: none; }
.btn.sm { padding: 5px 11px; font-size: .88rem; }
.chip { display: inline-block; padding: 3px 11px; border-radius: 999px; font-size: .84rem; background: var(--line2); color: var(--muted); font-weight: 600; }
.chip.warn { background: var(--amber-soft); color: var(--amber); }
.chip.ok { background: var(--green-soft); color: var(--green); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow); padding: 16px 18px; }
.card h2, .card h3 { margin: 0 0 4px; font-size: 1.05rem; color: var(--navy); }
.card .hint { color: var(--muted); font-size: .88rem; margin: 0 0 10px; }
.grid { display: grid; gap: 14px; }
.g4 { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.g2 { grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); }
.g21 { grid-template-columns: 1.55fr 1fr; } .g12 { grid-template-columns: 1fr 1.4fr; }
@media (max-width: 980px) { .g21, .g12 { grid-template-columns: 1fr; } }
.stack > * + * { margin-top: 14px; }
.kpi .lab { color: var(--muted); font-size: .85rem; }
.kpi .val { font-size: 1.9rem; font-weight: 700; color: var(--navy); line-height: 1.2; }
.kpi .val small { font-size: .9rem; font-weight: 500; color: var(--muted); }
.kpi .note { font-size: .84rem; color: var(--muted); margin-top: 2px; }
.tag { display: inline-block; padding: 1px 10px; border-radius: 999px; font-weight: 600; font-size: .85rem; white-space: nowrap; }
.tag.hi { background: var(--red-soft); color: var(--red); } .tag.hi::before { content: "▲ "; }
.tag.mid { background: var(--amber-soft); color: var(--amber); } .tag.mid::before { content: "● "; }
.tag.lo { background: var(--green-soft); color: var(--green); } .tag.lo::before { content: "▼ "; }
.empty { text-align: center; padding: 44px 16px; }
.empty h2 { font-size: 1.25rem; margin-bottom: 6px; } .empty p { color: var(--muted); max-width: 52ch; margin: 0 auto 14px; }
.muted { color: var(--muted); }
.scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--line2); text-align: left; vertical-align: top; }
th { background: #f6f9fd; color: var(--navy); font-weight: 600; font-size: .85rem; white-space: nowrap; }
td.n, th.n { text-align: right; white-space: nowrap; }
tr:hover td { background: #fbfdff; }
svg text { font-family: inherit; }
.legend-row { display: flex; gap: 14px; flex-wrap: wrap; font-size: .82rem; color: var(--muted); margin-top: 6px; }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }

/* ---------- ป้อนข้อมูล ---------- */
.stepper { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.step { display: flex; gap: 8px; align-items: center; padding: 8px 14px; border-radius: 10px; background: var(--card); border: 1px solid var(--line); cursor: pointer; font-weight: 600; color: var(--muted); }
.step b { width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; background: var(--line2); font-size: .85rem; }
.step.on { border-color: var(--blue); color: var(--navy); background: var(--blue-soft); } .step.on b { background: var(--blue); color: #fff; }
.step.done b { background: var(--teal); color: #fff; }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin: 8px 0 12px; }
.tabs button { border: 1px solid var(--line); background: var(--card); padding: 6px 12px; border-radius: 999px; cursor: pointer; font-size: .9rem; }
.tabs button[aria-pressed="true"] { background: var(--navy); color: #fff; border-color: var(--navy); }
.tabs button small { opacity: .75; margin-left: 4px; }
.item { display: grid; grid-template-columns: 1fr auto; gap: 8px 16px; padding: 10px 0; border-top: 1px solid var(--line2); align-items: center; }
.item:first-child { border-top: 0; }
.item .t small { display: inline-block; background: var(--blue-soft); color: var(--blue); padding: 0 7px; border-radius: 5px; margin-left: 6px; font-size: .75rem; }
.item .id { color: var(--muted); font-size: .8rem; margin-right: 6px; }
.ctls { display: flex; gap: 14px; flex-wrap: wrap; }
.ctl { display: flex; align-items: center; gap: 6px; font-size: .85rem; color: var(--muted); }
.pills { display: inline-flex; border: 1px solid var(--line); border-radius: 9px; overflow: hidden; }
.pills button { border: 0; background: var(--card); width: 32px; height: 32px; cursor: pointer; border-right: 1px solid var(--line2); color: var(--ink); }
.pills button:last-child { border-right: 0; }
.pills button:hover { background: var(--blue-soft); }
.pills button[aria-checked="true"] { background: var(--blue); color: #fff; font-weight: 700; }
@media (max-width: 760px) { .item { grid-template-columns: 1fr; } }
.legend-box { background: #f8fafd; border: 1px solid var(--line2); border-radius: 10px; padding: 8px 14px; margin: 8px 0 12px; font-size: .88rem; }
.legend-box summary { cursor: pointer; color: var(--blue); font-weight: 600; }
.legend-box ol { margin: 6px 0; padding-left: 1.3em; }
.nav-row { display: flex; justify-content: space-between; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
.field { display: grid; gap: 4px; max-width: 520px; } .field select { padding: 8px 10px; border: 1px solid var(--line); border-radius: 9px; background: #fff; }

/* ---------- เมทริกซ์ ---------- */
.matrix { display: grid; grid-template-columns: 6.5rem repeat(3, 1fr); gap: 6px; }
.matrix .h { display: grid; place-items: center; text-align: center; font-weight: 600; font-size: .85rem; color: var(--navy); padding: 6px; }
.matrix .cell { border-radius: 10px; padding: 10px 11px; min-height: 96px; border: 2px solid transparent; font-size: .84rem; }
.cell b.code { font-size: 1.05rem; } .cell .nm { display: block; line-height: 1.35; margin: 2px 0 6px; }
.cell .doms { display: flex; gap: 4px; flex-wrap: wrap; }
.cell .doms span { background: rgba(255,255,255,.85); color: var(--navy); border-radius: 6px; padding: 0 7px; font-weight: 700; font-size: .85rem; border: 1px solid rgba(0,0,0,.12); }
.cell.cur { border-color: var(--navy); box-shadow: 0 0 0 2px rgba(18,53,95,.15); }
.u1 { background: #f4b9b3; } .u2 { background: #f8cfc4; } .u3 { background: #fbdcc0; } .u4 { background: #fde4bf; }
.u5 { background: #fdeebd; } .u6 { background: #f5f0c0; } .u7 { background: #e9f1c5; } .u8 { background: #d9efd0; } .u9 { background: #c6ead3; }

/* ---------- กลยุทธ์ ---------- */
.pkg { border-left: 6px solid var(--blue); }
.pkg .big { font-size: 1.25rem; font-weight: 700; color: var(--navy); margin: 2px 0 4px; }
.pkg ol { margin: 6px 0 0; padding-left: 1.4em; font-size: .93rem; }
.meas { display: grid; gap: 10px; margin-top: 4px; }
.m { border: 1px solid var(--line); border-radius: 11px; padding: 12px 14px; background: #fff; }
.m.top { border-left: 5px solid var(--teal); }
.m h4 { margin: 0 0 3px; font-size: 1rem; color: var(--navy); }
.m .meta { display: flex; gap: 6px 12px; flex-wrap: wrap; font-size: .82rem; color: var(--muted); margin: 4px 0; }
.m .why { font-size: .86rem; background: #f6f9fd; border-radius: 8px; padding: 6px 10px; margin-top: 6px; color: #33485f; }
.m .kpi { font-size: .9rem; margin-top: 4px; }
.pill { display: inline-block; background: var(--line2); border-radius: 999px; padding: 0 9px; font-size: .78rem; color: #44556a; }
.pill.teal { background: var(--teal-soft); color: var(--teal); }

/* ---------- ติดตาม ---------- */
.prog { height: 10px; background: var(--line2); border-radius: 999px; overflow: hidden; }
.prog > i { display: block; height: 100%; background: linear-gradient(90deg, var(--teal), #38b29f); border-radius: 999px; }
select.st { padding: 4px 8px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
textarea { width: 100%; min-height: 90px; padding: 9px 11px; border: 1px solid var(--line); border-radius: 9px; resize: vertical; }
.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.filters label { display: flex; flex-direction: column; font-size: .8rem; color: var(--muted); gap: 2px; }
.filters select, .filters input { padding: 7px 10px; border: 1px solid var(--line); border-radius: 9px; background: #fff; min-width: 150px; }
input[type="number"] { padding: 6px 9px; border: 1px solid var(--line); border-radius: 8px; width: 110px; }

/* ---------- มือถือ ---------- */
@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; }
  .side { position: static; height: auto; flex-direction: column; border-right: 0; border-bottom: 1px solid var(--line); padding: 10px; }
  #nav { flex-direction: row; overflow-x: auto; gap: 4px; padding-bottom: 4px; }
  #nav button { white-space: nowrap; padding: 8px 11px; } #nav .sep { display: none; }
  .side-foot { display: none; }
  .bar, #view, .foot { padding-left: 14px; padding-right: 14px; } .strip { margin: 0 14px 4px; }
  .matrix { font-size: .78rem; grid-template-columns: 3.6rem repeat(3, 1fr); }
  .g2 { grid-template-columns: 1fr; }
}

/* ---------- พิมพ์ ---------- */
@media print {
  .side, .bar-actions, .nav-row, .btn, .tabs, .filters, .foot, .stepper { display: none !important; }
  body { background: #fff; } .app { display: block; }
  .card { box-shadow: none; break-inside: avoid; }
  .strip { display: block; }
  #view { padding: 0; }
}