/* ============================================================
   app.css — ธีมหลักของ HEALTH ME
   • ธีมสว่าง/มืดได้ (data-theme="dark" ที่ <html> หรือตามระบบปฏิบัติการ)
   • ฟอนต์ Sarabun ในเครื่อง (assets/fonts/) ถ้าไม่มีจะถอยไปใช้ฟอนต์ระบบ
   • ไม่ใช้ CDN ทุกอย่างเป็นไฟล์ในเครื่อง
   ============================================================ */

/* ── ฟอนต์ในเครื่อง (ไม่บังคับ: ถ้าไม่มีไฟล์จะข้ามไปใช้ฟอนต์ระบบ) ── */
/* ── ตัวแปรสี: ธีมสว่าง ── */
:root {
  --bg: #f4f6fa;
  --bg-soft: #eaeef6;
  --card: #ffffff;
  --card-2: #f8fafc;
  --text: #1b2436;
  --text-soft: #5a6b86;
  --text-mute: #8b98ad;
  --border: #dde4ef;
  --border-strong: #c3cee0;
  --primary: #1668c9;
  --primary-dark: #0f4f9c;
  --primary-soft: #e6effb;
  --danger: #d92d20;
  --danger-soft: #fdecea;
  --ok: #1f7a3f;
  --ok-soft: #e8f6ec;
  --warn: #b7791f;
  --warn-soft: #fdf6e3;
  --shadow: 0 1px 2px rgba(19, 32, 56, .06), 0 8px 24px rgba(19, 32, 56, .07);
  --shadow-sm: 0 1px 2px rgba(19, 32, 56, .08);
  --radius: 14px;
  --radius-sm: 9px;
  --focus: 0 0 0 3px rgba(22, 104, 201, .28);

  /* สีประจำระดับ 7 สี (ตรงตามเกณฑ์ในสเปก) */
/* ฟอนต์ไทยในเครื่อง (ไม่พึ่ง CDN) — ไฟล์อยู่ใน assets/fonts/ */
@font-face {
  font-family: 'TH Sarabun New';
  src: url('../fonts/THSarabunNew.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'TH Sarabun New';
  src: url('../fonts/THSarabunNew-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'TH Sarabun New';
  src: url('../fonts/THSarabunNew-Bold.ttf') format('truetype');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
  --lv1: #ffffff;
  --lv2: #8ed352;
  --lv3: #1f7a3f;
  --lv4: #f2c200;
  --lv5: #ef8a24;
  --lv6: #d92d20;
  --lv7: #101418;
}

/* ธีมมืดตามการตั้งค่าระบบ (ถ้าผู้ใช้ยังไม่เลือกธีมเอง) */
@media (prefers-color-scheme: dark) {
  html:not([data-theme='light']) {
    --bg: #10151d;
    --bg-soft: #161d28;
    --card: #172030;
    --card-2: #1c2739;
    --text: #e8eef8;
    --text-soft: #a9b8cd;
    --text-mute: #7d8ca3;
    --border: #26334a;
    --border-strong: #35455f;
    --primary: #4d9bf0;
    --primary-dark: #3b82d6;
    --primary-soft: #1b2b41;
    --danger: #f4756a;
    --danger-soft: #35211f;
    --ok: #5cc17e;
    --ok-soft: #16291d;
    --warn: #e3b341;
    --warn-soft: #2d2718;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 10px 28px rgba(0, 0, 0, .35);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
    --focus: 0 0 0 3px rgba(77, 155, 240, .35);
  }
}

/* ธีมมืดที่ผู้ใช้เลือกเอง */
html[data-theme='dark'] {
  --bg: #10151d;
  --bg-soft: #161d28;
  --card: #172030;
  --card-2: #1c2739;
  --text: #e8eef8;
  --text-soft: #a9b8cd;
  --text-mute: #7d8ca3;
  --border: #26334a;
  --border-strong: #35455f;
  --primary: #4d9bf0;
  --primary-dark: #3b82d6;
  --primary-soft: #1b2b41;
  --danger: #f4756a;
  --danger-soft: #35211f;
  --ok: #5cc17e;
  --ok-soft: #16291d;
  --warn: #e3b341;
  --warn-soft: #2d2718;
  --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 10px 28px rgba(0, 0, 0, .35);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
  --focus: 0 0 0 3px rgba(77, 155, 240, .35);
}

/* ── พื้นฐาน ── */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:'TH Sarabun New','Sarabun', 'TH Sarabun New', 'Segoe UI', 'Leelawadee UI', Tahoma, system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

h1, h2, h3, h4 { margin: 0 0 .5rem; line-height: 1.35; font-weight: 700; }
p { margin: 0 0 .75rem; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }
small { font-size: .82rem; }
hr { border: 0; border-top: 1px solid var(--border); margin: 1rem 0; }

:focus-visible { outline: none; box-shadow: var(--focus); border-radius: 6px; }

.wrap { width: 100%; max-width: 1040px; margin: 0 auto; padding: 1.25rem 1rem 3rem; }
.wrap-narrow { max-width: 720px; }
.center { text-align: center; }
.right { text-align: right; }
.muted { color: var(--text-mute); }
.soft { color: var(--text-soft); }
.nowrap { white-space: nowrap; }
.hidden { display: none !important; }
.off-screen {
  position: absolute;
  left: -9999px;
  width: 1px; height: 1px;
  opacity: 0;
  overflow: hidden;
}
.mt0 { margin-top: 0; }
.mt1 { margin-top: .5rem; }
.mt2 { margin-top: 1rem; }
.mt3 { margin-top: 1.5rem; }
.mb0 { margin-bottom: 0; }
.mb1 { margin-bottom: .5rem; }
.mb2 { margin-bottom: 1rem; }
.flex { display: flex; gap: .6rem; flex-wrap: wrap; align-items: center; }
.flex-between { display: flex; gap: .6rem; flex-wrap: wrap; align-items: center; justify-content: space-between; }
.grow { flex: 1 1 auto; }

/* ── แถบหัวเรื่อง ── */
.topbar {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}
.topbar-inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: .5rem 1rem;
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: .55rem; text-decoration: none; color: inherit; }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 38px; height: 38px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--primary), #0e9f7e);
  color: #fff;
  display: grid; place-items: center;
  font-weight: 700; font-size: .95rem;
  box-shadow: var(--shadow-sm);
  flex: 0 0 auto;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-weight: 700; letter-spacing: .3px; }
.brand-sub { font-size: .72rem; color: var(--text-mute); }
.nav { display: flex; gap: .25rem; flex-wrap: wrap; margin-left: auto; align-items: center; }
.nav a {
  padding: .4rem .7rem;
  border-radius: 999px;
  color: var(--text-soft);
  font-weight: 500;
  font-size: .95rem;
}
.nav a:hover { background: var(--bg-soft); color: var(--text); text-decoration: none; }
.nav a.active { background: var(--primary-soft); color: var(--primary); font-weight: 700; }

.page-title { font-size: 1.45rem; margin-bottom: .15rem; }
.page-sub { color: var(--text-soft); margin-bottom: 1rem; font-size: .95rem; }
.section-title { font-size: 1.08rem; margin-bottom: .75rem; display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }

/* ── การ์ด ── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 1rem 1.1rem;
  margin-bottom: 1rem;
}
.card-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: .6rem; flex-wrap: wrap; margin-bottom: .75rem;
}
.card-head h2, .card-head h3 { margin: 0; font-size: 1.05rem; }
.card-flat { box-shadow: none; }
.card-soft { background: var(--card-2); }

.grid { display: grid; gap: 1rem; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ── สถิติ ── */
.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .85rem 1rem;
  box-shadow: var(--shadow-sm);
  min-width: 0;
}
.stat-label { font-size: .82rem; color: var(--text-mute); margin-bottom: .15rem; }
.stat-value { font-size: 1.6rem; font-weight: 700; line-height: 1.2; word-break: break-word; }
.stat-value .unit { font-size: .85rem; font-weight: 500; color: var(--text-mute); margin-left: .2rem; }
.stat-foot { font-size: .8rem; color: var(--text-soft); margin-top: .25rem; }

/* ── ปุ่ม ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  padding: .58rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--card);
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.3;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease, transform .05s ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { background: var(--bg-soft); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn[disabled], .btn.is-busy { opacity: .6; cursor: not-allowed; pointer-events: none; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-danger { background: var(--danger-soft); border-color: var(--danger); color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--primary); }
.btn-ghost:hover { background: var(--primary-soft); }
.btn-sm { padding: .35rem .7rem; font-size: .9rem; }
.btn-lg { padding: .8rem 1.4rem; font-size: 1.08rem; }
.btn-block { width: 100%; }
.btn-row { display: flex; gap: .6rem; flex-wrap: wrap; margin-top: 1rem; }
.btn-row .btn { flex: 0 1 auto; }

/* ── ป้ายระดับสี ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .2rem .6rem;
  border-radius: 999px;
  font-size: .85rem;
  font-weight: 700;
  border: 1px solid var(--border-strong);
  background: var(--bg-soft);
  color: var(--text);
  white-space: nowrap;
}
.badge .dot { width: .6rem; height: .6rem; border-radius: 50%; background: currentColor; flex: 0 0 auto; }
.badge-lg { font-size: 1rem; padding: .35rem .85rem; }
.badge-soft { font-weight: 500; color: var(--text-soft); }

/* สีของแต่ละระดับ — ตรงกับ DEFAULT_BANDS ใน inc/bp_levels.php
   (หน้าจริงจะใส่สีจากเซิร์ฟเวอร์ทับอีกชั้น เพื่อให้ตรงกับค่าที่บันทึกไว้) */
.lv { border-color: rgba(0, 0, 0, .18); }
.lv1 { background: #ffffff; color: #1b2436; }
.lv2 { background: #8bc34a; color: #10290f; }
.lv3 { background: #1b7f3b; color: #ffffff; }
.lv4 { background: #f4c300; color: #3d2f00; }
.lv5 { background: #f57c00; color: #ffffff; }
.lv6 { background: #d32f2f; color: #ffffff; }
.lv7 { background: #1a1a1a; color: #ffffff; }

/* ── ฟอร์ม ── */
.field { margin-bottom: .9rem; }
.field label, .label { display: block; font-weight: 500; margin-bottom: .3rem; font-size: .95rem; }
.req { color: var(--danger); margin-left: .15rem; }
input[type='text'], input[type='password'], input[type='email'], input[type='number'],
input[type='date'], input[type='datetime-local'], input[type='tel'], input[type='search'],
select, textarea {
  width: 100%;
  padding: .55rem .7rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  transition: border-color .15s ease, box-shadow .15s ease;
}
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: var(--focus); outline: none; }
input[readonly], input[disabled], select[disabled] { background: var(--bg-soft); color: var(--text-soft); }
textarea { min-height: 4.5rem; resize: vertical; }
select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--text-mute) 50%), linear-gradient(135deg, var(--text-mute) 50%, transparent 50%); background-position: calc(100% - 18px) 1.15rem, calc(100% - 13px) 1.15rem; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; padding-right: 2rem; }
.hint { font-size: .82rem; color: var(--text-mute); margin-top: .25rem; }
.err-text { font-size: .85rem; color: var(--danger); margin-top: .25rem; }
.inline-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .6rem; }
.check { display: flex; align-items: flex-start; gap: .5rem; margin-bottom: .5rem; font-size: .95rem; }
.check input { width: auto; margin-top: .35rem; flex: 0 0 auto; }
.check span { flex: 1 1 auto; }

/* กล่องความยินยอม/ข้อความยาว */
.scroll-box {
  max-height: 260px;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card-2);
  padding: .85rem 1rem;
  font-size: .93rem;
  white-space: pre-wrap;
}

/* ── แจ้งเตือน/สถานะ ── */
.alert { border-radius: var(--radius-sm); padding: .7rem .9rem; margin-bottom: 1rem; font-size: .95rem; border: 1px solid; }
.alert-ok { background: var(--ok-soft); border-color: var(--ok); color: var(--ok); }
.alert-err { background: var(--danger-soft); border-color: var(--danger); color: var(--danger); }
.alert-info { background: var(--primary-soft); border-color: var(--primary); color: var(--primary); }
.alert-warn { background: var(--warn-soft); border-color: var(--warn); color: var(--warn); }

/* ── ตาราง (เลื่อนได้บนมือถือ) ── */
.table-wrap { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.tbl { width: 100%; border-collapse: collapse; font-size: .94rem; min-width: 560px; }
table.tbl th, table.tbl td { padding: .55rem .6rem; text-align: left; border-bottom: 1px solid var(--border); vertical-align: middle; }
table.tbl thead th { background: var(--card-2); font-weight: 700; color: var(--text-soft); white-space: nowrap; position: sticky; top: 0; }
table.tbl tbody tr:hover { background: var(--bg-soft); }
table.tbl td.num, table.tbl th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.tbl tfoot td { font-weight: 700; background: var(--card-2); }
.table-empty { padding: 1.5rem 1rem; text-align: center; color: var(--text-mute); }

/* ── หน้าสแกน ── */
.scan-actions { display: flex; gap: .6rem; flex-wrap: wrap; align-items: center; }
.preview { margin-top: .9rem; }
.preview-frame {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card-2);
  padding: .5rem;
  display: inline-block;
  max-width: 100%;
}
.preview img { display: block; max-height: 320px; border-radius: var(--radius-sm); }
.status-line { font-size: .9rem; color: var(--text-soft); }
.status-line.is-busy { color: var(--primary); }
.status-line.is-err { color: var(--danger); }
.status-line.is-ok { color: var(--ok); }

.level-box {
  display: flex; align-items: center; gap: .75rem; flex-wrap: wrap;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  padding: .75rem .9rem;
  background: var(--card-2);
}
.level-box .level-name { font-weight: 700; font-size: 1.05rem; }
.level-box .level-text { font-size: .88rem; color: var(--text-soft); flex: 1 1 14rem; }
.swatch { width: 2.1rem; height: 2.1rem; border-radius: 50%; border: 2px solid rgba(0, 0, 0, .2); flex: 0 0 auto; }

/* ── กราฟ ── */
.chart-box {
  position: relative;
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  padding: .5rem;
}
.chart-box canvas { display: block; }
.chart-legend { display: flex; gap: 1rem; flex-wrap: wrap; font-size: .85rem; color: var(--text-soft); margin-top: .5rem; }
.chart-legend .key { display: inline-flex; align-items: center; gap: .35rem; }
.chart-legend .line { width: 18px; height: 3px; border-radius: 2px; display: inline-block; }
.range-tabs { display: flex; gap: .3rem; flex-wrap: wrap; }
.range-tabs button {
  font-family: inherit; font-size: .88rem; padding: .3rem .7rem; border-radius: 999px;
  border: 1px solid var(--border-strong); background: var(--card); color: var(--text-soft); cursor: pointer;
}
.range-tabs button.active { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 700; }

/* ── รายการข้อมูลส่วนตัว ── */
.kv { display: grid; grid-template-columns: minmax(8rem, 12rem) 1fr; gap: .35rem .9rem; }
.kv dt { color: var(--text-mute); font-size: .93rem; }
.kv dd { margin: 0; font-weight: 500; word-break: break-word; }

/* ── toast ── */
#hm-toast {
  position: fixed;
  left: 50%;
  bottom: 1.2rem;
  transform: translateX(-50%);
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  align-items: center;
  width: min(92vw, 460px);
  pointer-events: none;
}
.toast {
  background: #172030;
  color: #eef3fb;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius-sm);
  padding: .6rem .9rem;
  font-size: .95rem;
  box-shadow: 0 8px 28px rgba(0, 0, 0, .28);
  opacity: 1;
  transition: opacity .3s ease, transform .3s ease;
  max-width: 100%;
  word-break: break-word;
}
.toast-err { background: #7a1a14; border-color: #d92d20; }
.toast-out { opacity: 0; transform: translateY(6px); }

/* ── ท้ายหน้า ── */
.footer {
  border-top: 1px solid var(--border);
  margin-top: 2rem;
  padding: 1rem;
  text-align: center;
  font-size: .82rem;
  color: var(--text-mute);
}

/* ── ธีม: ปุ่มสลับ ── */
.theme-toggle {
  border: 1px solid var(--border-strong);
  background: var(--card);
  color: var(--text-soft);
  border-radius: 999px;
  padding: .35rem .7rem;
  font-family: inherit;
  font-size: .9rem;
  cursor: pointer;
}

/* ── มือถือ ── */
@media (max-width: 860px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
  body { font-size: 15.5px; }
  .wrap { padding: 1rem .75rem 2.5rem; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .inline-3 { grid-template-columns: 1fr; }
  .kv { grid-template-columns: 1fr; gap: .1rem .5rem; }
  .kv dd { margin-bottom: .5rem; }
  .nav { width: 100%; margin-left: 0; justify-content: flex-start; }
  .btn-row .btn { flex: 1 1 auto; }
  .stat-value { font-size: 1.4rem; }
}

@media print {
  .topbar, .footer, .btn, .range-tabs { display: none !important; }
  body { background: #fff; }
  .card { box-shadow: none; }
}

/* ── หลังบ้านเจ้าหน้าที่ (เพิ่มเติม) ──────────────────────────────────────── */
.stat-num-sm { font-size: 1.15rem; font-weight: 700; line-height: 1.35; }
.adm-body .tbl td, .adm-body .tbl th { vertical-align: middle; }
.adm-body .card h2 { font-size: 1.02rem; margin: 0; }

/* ฟอร์มปุ่มเดียวที่วางเรียงกันในแนวนอน (หน้าส่งออกข้อมูล) */
.inline-form { display: inline-block; margin: 0 8px 8px 0; }
