/* OnionGuard — academic/report styling.
   Light mode only, one accent (navy), flat surfaces: no gradients, no glow
   shadows, no purple, no dark mode. Hairline rules do the separating work,
   the way a printed report does. */

:root {
  --navy:        #1F4E79;
  --navy-dark:   #163A5A;
  --navy-tint:   #EEF3F8;

  --found:       #9B2C2C;  /* แดงอิฐเข้ม — พบความผิดปกติ */
  --found-tint:  #FAF0EF;
  --clear:       #1D6142;  /* เขียวเข้มไม่สด — ไม่พบความผิดปกติ */
  --clear-tint:  #EEF5F1;

  --notice:      #7A5B14;  /* ochre for the mock-data banner */
  --notice-tint: #FBF6E9;
  --notice-line: #E3D5AC;

  --page:        #F7F7F5;
  --surface:     #FFFFFF;
  --ink:         #1A1A1A;
  --ink-soft:    #4A4A48;
  --ink-muted:   #6E6E6A;
  --rule:        #D9D9D4;
  --rule-soft:   #E8E8E4;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: "Sarabun", "IBM Plex Sans Thai", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

.container { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* ---------------------------------------------------------- masthead / nav */

.masthead { background: var(--navy); color: #fff; border-bottom: 3px solid var(--navy-dark); }
.masthead-inner { padding: 20px 20px 22px; }
.masthead-eyebrow {
  margin: 0 0 4px; font-size: 0.8rem; font-weight: 500;
  letter-spacing: 0.06em; color: #C6D6E6; text-transform: uppercase;
}
.masthead-title { margin: 0; font-size: 1.5rem; font-weight: 600; line-height: 1.35; }

.mainnav { background: var(--surface); border-bottom: 1px solid var(--rule); position: sticky; top: 0; z-index: 10; }
.mainnav-inner { display: flex; gap: 4px; overflow-x: auto; }
.navlink {
  flex: 0 0 auto; padding: 13px 16px; color: var(--ink-soft);
  text-decoration: none; font-size: 0.95rem; font-weight: 500;
  border-bottom: 3px solid transparent; white-space: nowrap;
}
.navlink:hover { color: var(--navy); background: var(--navy-tint); }
.navlink.is-active { color: var(--navy); border-bottom-color: var(--navy); font-weight: 600; }

.main { padding: 26px 20px 48px; }

/* ---------------------------------------------------------- mock banner */

.mockbanner {
  display: flex; gap: 12px; align-items: flex-start;
  background: var(--notice-tint); border: 1px solid var(--notice-line);
  border-left: 4px solid var(--notice);
  padding: 12px 16px; margin-bottom: 26px;
  font-size: 0.9rem; color: #4A3B12;
}
.mockbanner-tag {
  flex: 0 0 auto; background: var(--notice); color: #fff;
  font-size: 0.75rem; font-weight: 600; padding: 2px 9px; letter-spacing: 0.03em;
}

/* ---------------------------------------------------------- page structure */

.pagehead { margin: 0 0 20px; padding-bottom: 12px; border-bottom: 2px solid var(--navy); }
.pagehead h2 { margin: 0; font-size: 1.3rem; font-weight: 600; color: var(--navy); }
.pagehead p { margin: 6px 0 0; color: var(--ink-muted); font-size: 0.92rem; }

.panel {
  background: var(--surface); border: 1px solid var(--rule);
  padding: 22px; margin-bottom: 22px;
}
.panel-title {
  margin: 0 0 16px; font-size: 1.02rem; font-weight: 600; color: var(--navy);
  padding-bottom: 9px; border-bottom: 1px solid var(--rule-soft);
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

/* ---------------------------------------------------------- tables */

.table-scroll { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
table.data thead th {
  background: var(--navy); color: #fff; font-weight: 600; text-align: left;
  padding: 10px 12px; white-space: nowrap; border-right: 1px solid rgba(255,255,255,0.16);
}
table.data thead th:last-child { border-right: none; }
table.data tbody td { padding: 9px 12px; border-bottom: 1px solid var(--rule-soft); }
table.data tbody tr:nth-child(even) { background: #FBFBFA; }
table.data tbody tr:hover { background: var(--navy-tint); }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.code { font-weight: 600; color: var(--navy); }

/* ---------------------------------------------------------- status pills */

.pill {
  display: inline-block; padding: 2px 10px; font-size: 0.82rem; font-weight: 600;
  border: 1px solid transparent;
}
/* The full result wording is long by design (it must match the report
   verbatim), so inside dense tables let it wrap instead of forcing a very
   wide column. */
table.data .pill { white-space: normal; min-width: 9.5rem; }
.pill-found { background: var(--found-tint); color: var(--found); border-color: #E2C4C1; }
.pill-clear { background: var(--clear-tint); color: var(--clear); border-color: #BFD8CB; }
.pill-neutral { background: #F1F1EE; color: var(--ink-muted); border-color: var(--rule); }

.mark-ok { color: var(--clear); font-weight: 600; }
.mark-bad { color: var(--found); font-weight: 600; }

/* ---------------------------------------------------------- stat tiles */

.stat { background: var(--surface); border: 1px solid var(--rule); padding: 16px 18px; }
.stat-label { margin: 0 0 6px; font-size: 0.85rem; color: var(--ink-muted); }
.stat-value { margin: 0; font-size: 2rem; font-weight: 700; line-height: 1.15; color: var(--navy); }
.stat-value.is-found { color: var(--found); }
.stat-value.is-clear { color: var(--clear); }
.stat-sub { margin: 4px 0 0; font-size: 0.82rem; color: var(--ink-muted); }

/* balance bar on /dataset */
.balancebar { display: flex; height: 34px; border: 1px solid var(--rule); overflow: hidden; }
.balancebar-seg { display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 0.85rem; font-weight: 600; }
.balancebar-found { background: var(--found); }
.balancebar-clear { background: var(--clear); }
.legend { display: flex; gap: 20px; margin-top: 12px; font-size: 0.88rem; color: var(--ink-soft); }
.legend-item { display: flex; align-items: center; gap: 7px; }
.legend-swatch { width: 13px; height: 13px; flex: 0 0 auto; }
.legend-found { background: var(--found); }
.legend-clear { background: var(--clear); }

/* ---------------------------------------------------------- forms */

.field { margin-bottom: 16px; }
.field-label { display: block; margin-bottom: 6px; font-weight: 600; font-size: 0.92rem; }
.cropchoice { display: flex; gap: 10px; flex-wrap: wrap; }
.cropoption {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px; border: 1px solid var(--rule); border-radius: 8px;
  cursor: pointer; font-weight: 500;
}
.cropoption:has(input:checked) { border-color: var(--navy); background: var(--navy-tint); }
.cropoption:has(input:disabled) { opacity: 0.55; cursor: not-allowed; }
.field-hint { margin: 4px 0 0; font-size: 0.85rem; color: var(--ink-muted); }

input[type="file"], input[type="search"], select {
  font-family: inherit; font-size: 0.92rem; padding: 8px 10px;
  border: 1px solid var(--rule); background: var(--surface); color: var(--ink);
  width: 100%; max-width: 100%;
}
input[type="file"]:focus, input[type="search"]:focus, select:focus {
  outline: 2px solid var(--navy); outline-offset: 1px;
}

.btn {
  font-family: inherit; font-size: 0.95rem; font-weight: 600;
  padding: 10px 22px; border: 1px solid var(--navy); background: var(--navy);
  color: #fff; cursor: pointer;
}
.btn:hover:not(:disabled) { background: var(--navy-dark); border-color: var(--navy-dark); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-secondary { background: var(--surface); color: var(--navy); }
.btn-secondary:hover:not(:disabled) { background: var(--navy-tint); }

.filterbar { display: flex; gap: 14px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 18px; }
.filterbar .field { margin-bottom: 0; }
.filterbar .field-search { flex: 1 1 240px; }
.filterbar .field-select { flex: 0 1 190px; }

/* ---------------------------------------------------------- camera status bar */

.camerabar {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 11px 15px; margin-bottom: 22px;
  border: 1px solid var(--rule); border-left-width: 4px;
  font-size: 0.89rem; background: var(--surface);
}
.camerabar-tag {
  flex: 0 0 auto; font-size: 0.75rem; font-weight: 600;
  padding: 2px 9px; color: #fff; letter-spacing: 0.03em;
}
.camerabar-loading { border-left-color: var(--ink-muted); color: var(--ink-soft); }
.camerabar-loading .camerabar-tag { background: var(--ink-muted); }
.camerabar-live { border-left-color: var(--clear); background: var(--clear-tint); color: #17402C; }
.camerabar-live .camerabar-tag { background: var(--clear); }
.camerabar-warn { border-left-color: var(--notice); background: var(--notice-tint); color: #4A3B12; }
.camerabar-warn .camerabar-tag { background: var(--notice); }
.camerabar-mock { border-left-color: var(--notice); background: var(--notice-tint); color: #4A3B12; }
.camerabar-mock .camerabar-tag { background: var(--notice); }

/* ---------------------------------------------------------- capture flow */

.stepcount {
  margin: 0 0 6px; font-size: 0.82rem; font-weight: 600; letter-spacing: 0.04em;
  color: var(--ink-muted); text-transform: uppercase;
}
.stepprompt { margin: 0 0 20px; font-size: 1.1rem; line-height: 1.6; color: var(--ink); }

.capture-actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.btn-capture { font-size: 1.15rem; font-weight: 700; padding: 16px 40px; }
.statustext { color: var(--navy); font-size: 0.95rem; font-weight: 600; }

.shots-label {
  margin: 24px 0 8px; font-size: 0.85rem; font-weight: 600; color: var(--ink-muted);
}

.warnbox {
  margin-top: 18px; padding: 12px 15px;
  background: var(--notice-tint); border: 1px solid var(--notice-line);
  border-left: 4px solid var(--notice);
  font-size: 0.88rem; color: #4A3B12; line-height: 1.7;
}

.okbox {
  margin-top: 18px; padding: 12px 15px;
  background: var(--clear-tint); border: 1px solid #BFD8CB;
  border-left: 4px solid var(--clear);
  font-size: 0.88rem; color: #17402C; line-height: 1.7;
}

.camerabar-info {
  border-left-color: var(--navy); background: var(--navy-tint); color: #17324B;
}
.camerabar-info .camerabar-tag { background: var(--navy); }

/* ---------------------------------------------------------- step checklist */

.steplist { border: 1px solid var(--rule); }
.steprow {
  display: flex; align-items: center; gap: 12px;
  padding: 9px 14px; border-bottom: 1px solid var(--rule-soft); font-size: 0.9rem;
}
.steprow:last-child { border-bottom: none; }
.steprow-id {
  flex: 0 0 auto; min-width: 2.6rem; font-weight: 700; color: var(--navy);
}
.steprow-prompt { flex: 1 1 auto; color: var(--ink-soft); }
.steprow-state {
  flex: 0 0 auto; font-size: 0.8rem; font-weight: 600; padding: 2px 10px;
  border: 1px solid var(--rule); background: #F1F1EE; color: var(--ink-muted);
}
.steprow-state[data-state="done"] {
  background: var(--clear-tint); color: var(--clear); border-color: #BFD8CB;
}

/* ---------------------------------------------------------- preview gate */

.previewhint { margin: 0 0 16px; font-size: 0.92rem; color: var(--ink-soft); }

.preview-figure { margin: 0; max-width: 480px; }
.preview-figure img {
  width: 100%; height: auto; display: block;
  border: 1px solid var(--rule); background: var(--page);
}
.preview-figure figcaption {
  margin-top: 8px; font-size: 0.85rem; color: var(--ink-muted);
}

.countdown { margin: 18px 0 16px; max-width: 480px; }
.countdown-track { height: 4px; background: var(--rule-soft); overflow: hidden; }
/* Linear width updates come from rAF in the page, not a CSS transition — a
   transition would lag behind the real remaining time. */
.countdown-fill { height: 100%; width: 100%; background: var(--navy); }
.countdown-text {
  margin: 7px 0 0; font-size: 0.85rem; color: var(--ink-muted);
  font-variant-numeric: tabular-nums;
}

.btn-retake { font-size: 1.05rem; padding: 16px 30px; }

/* ---------------------------------------------------------- scan result */

.result-headline { display: flex; flex-wrap: wrap; gap: 12px; align-items: baseline; }
.result-label { margin: 0; font-size: 1.7rem; font-weight: 700; line-height: 1.3; }
.result-label.is-found { color: var(--found); }
.result-label.is-clear { color: var(--clear); }

.result-figures { display: flex; gap: 34px; flex-wrap: wrap; margin: 18px 0 0; }
.figure-block { }
.figure-label { margin: 0 0 2px; font-size: 0.85rem; color: var(--ink-muted); }
.figure-value { margin: 0; font-size: 2.4rem; font-weight: 700; line-height: 1.1; color: var(--navy); }
.figure-value.is-found { color: var(--found); }
.figure-value.is-clear { color: var(--clear); }
.figure-unit { font-size: 1.1rem; font-weight: 600; }

.overlay-figure { margin: 0; }
.overlay-figure img { width: 100%; height: auto; border: 1px solid var(--rule); display: block; }
.overlay-figure figcaption { margin-top: 8px; font-size: 0.85rem; color: var(--ink-muted); }

.notebox {
  margin-top: 18px; padding: 11px 14px; background: var(--page);
  border-left: 3px solid var(--ink-muted); font-size: 0.88rem; color: var(--ink-soft);
}
.errorbox {
  padding: 12px 15px; background: var(--found-tint); border: 1px solid #E2C4C1;
  border-left: 4px solid var(--found); color: var(--found); font-size: 0.92rem;
}

/* Columns follow the number of shots: a single-view protocol should not
   render its one photo in a quarter-width cell too small to judge focus on. */
.previewgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 12px; }
.previewgrid[data-count="1"] { grid-template-columns: minmax(0, 420px); }
.previewgrid[data-count="2"] { grid-template-columns: repeat(2, minmax(0, 320px)); }
.previewgrid[data-count="3"] { grid-template-columns: repeat(3, 1fr); }
.previewgrid img { width: 100%; height: auto; border: 1px solid var(--rule); display: block; }
.previewgrid figcaption { margin-top: 4px; font-size: 0.78rem; color: var(--ink-muted); text-align: center; }

.spinner-text { color: var(--ink-muted); font-size: 0.92rem; }

/* ---------------------------------------------------------- result layout */

/* Image left, readings right, restart centred underneath. Collapses to one
   column on narrow screens so the phone stays usable at the box. */
.resultlayout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}
.resultlayout .panel { margin-bottom: 0; }
.resultlayout-image img { width: 100%; height: auto; display: block; }

.restart-row { display: flex; justify-content: center; margin: 24px 0 8px; }
.restart-row .btn { min-width: 220px; }

@media (max-width: 860px) {
  .resultlayout { grid-template-columns: 1fr; }
}

/* ---------------------------------------------------------- report figures */

.report-figure { margin: 0; }
.report-figure img { width: 100%; height: auto; border: 1px solid var(--rule); display: block; background: #fff; }
.report-figure figcaption { margin-top: 8px; font-size: 0.85rem; color: var(--ink-muted); }

/* confusion matrix rendered as a table (real numbers, not an image) */
table.confusion { border-collapse: collapse; width: 100%; font-size: 0.92rem; }
table.confusion th, table.confusion td { border: 1px solid var(--rule); padding: 11px 12px; text-align: center; }
table.confusion thead th { background: var(--navy); color: #fff; font-weight: 600; }
table.confusion tbody th { background: var(--navy-tint); color: var(--navy); font-weight: 600; text-align: left; }
table.confusion .cell-correct { background: var(--clear-tint); color: var(--clear); font-weight: 700; font-size: 1.15rem; }
table.confusion .cell-wrong { background: var(--found-tint); color: var(--found); font-weight: 700; font-size: 1.15rem; }
.cell-note { display: block; font-size: 0.76rem; font-weight: 400; color: var(--ink-muted); }

/* ---------------------------------------------------------- footer */

.sitefooter {
  border-top: 1px solid var(--rule); background: var(--surface);
  padding: 20px 0 28px; font-size: 0.88rem; color: var(--ink-soft);
}
.sitefooter p { margin: 0 0 5px; }
.sitefooter-meta { color: var(--ink-muted); font-size: 0.83rem; }

.muted { color: var(--ink-muted); }
.hidden { display: none !important; }

/* ---------------------------------------------------------- responsive */

@media (max-width: 860px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  body { font-size: 15px; }
  .masthead-title { font-size: 1.15rem; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .panel { padding: 16px; }
  .result-label { font-size: 1.35rem; }
  .figure-value { font-size: 2rem; }
  .result-figures { gap: 22px; }
  .previewgrid { grid-template-columns: repeat(2, 1fr); }
  .navlink { padding: 12px 12px; font-size: 0.9rem; }
}

/* ---------------------------------------------------------- label page */

.req { color: var(--found); font-weight: 700; }

.result-sample {
  margin: 0 0 8px; font-size: 0.88rem; color: var(--ink-muted);
  font-variant-numeric: tabular-nums;
}

.labelbtns { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.btn-label { padding: 5px 14px; font-size: 0.86rem; }
/* Selected state carries the class colour so the recorded answer is readable
   at a glance while scanning down a long list. */
.btn-label.is-on-1 { background: var(--found); border-color: var(--found); color: #fff; }
.btn-label.is-on-0 { background: var(--clear); border-color: var(--clear); color: #fff; }
.btn-label:not(.is-on-1):not(.is-on-0):not(.btn-secondary) {
  background: var(--surface); color: var(--ink-soft); border-color: var(--rule);
}
.btn-label:not(.is-on-1):not(.is-on-0):not(.btn-secondary):hover {
  background: var(--navy-tint); color: var(--navy); border-color: var(--navy);
}
.labelstatus { font-size: 0.78rem; color: var(--ink-muted); margin-left: 4px; }

/* ---- คำแนะนำหลังสแกน ----------------------------------------------------
   บอกว่าควรทำอะไรต่อ ไม่ใช่รับรองว่าปลอดภัย สีจึงใช้ชุดเดียวกับผลการคัดกรอง
   (แดงอิฐ = พบ, เขียวเข้ม = ไม่พบ) ไม่ได้เพิ่มสีใหม่ให้ต้องตีความ */
.advice {
  margin-top: 20px; padding: 15px 17px;
  background: var(--surface); border: 1px solid var(--rule);
  border-left: 4px solid var(--ink-muted);
}
.advice-title {
  margin: 0 0 8px; font-size: 1rem; font-weight: 600; color: var(--ink);
}
.advice-reason {
  margin: 0 0 10px; font-size: 0.88rem; color: var(--ink-soft);
}
.advice-steps {
  margin: 0; padding-left: 20px; font-size: 0.92rem; color: var(--ink-soft);
}
.advice-steps li { margin-bottom: 6px; line-height: 1.55; }
.advice-steps li:last-child { margin-bottom: 0; }
.advice-note {
  margin: 12px 0 0; padding-top: 10px; border-top: 1px solid var(--rule-soft);
  font-size: 0.85rem; color: var(--ink-muted); line-height: 1.55;
}

.advice.is-positive   { border-left-color: var(--found);  background: var(--found-tint); }
.advice.is-positive .advice-title { color: var(--found); }
.advice.is-negative   { border-left-color: var(--clear);  background: var(--clear-tint); }
.advice.is-negative .advice-title { color: var(--clear); }
.advice.is-caution    { border-left-color: var(--notice); background: var(--notice-tint); }
.advice.is-caution .advice-title { color: var(--notice); }
/* ผลเชื่อไม่ได้: เป็นกลาง ไม่ใช้สีผลบวก/ลบ เพราะยังไม่มีผลให้สื่อ */
.advice.is-unreliable { border-left-color: var(--ink-muted); background: var(--page); }
.advice.is-unreliable .advice-title { color: var(--ink); }