/* SEMICON Explorer — one stylesheet, no framework.
   Read on a phone, on a show floor, one-handed. Big tap targets, big type. */

:root {
  --bg:        #f6f7f9;
  --plane:     #ffffff;
  --ink:       #14171c;
  --ink-soft:  #5b636e;
  --ink-faint: #878f9a;
  --hair:      #e4e7ec;
  --hair-strong: #ced3db;
  --accent:    #1a5fd0;
  --accent-soft:#e9f0fd;
  --warn-bg:   #fff6e6;
  --warn-ink:  #7a5300;
  --radius:    14px;
  --shadow:    0 1px 2px rgba(16,20,28,.06), 0 4px 14px rgba(16,20,28,.05);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg:#101318; --plane:#181c23; --ink:#eef1f5; --ink-soft:#a3acb9;
    --ink-faint:#7c8593; --hair:#262c35; --hair-strong:#39414d;
    --accent:#6ea2ff; --accent-soft:#1b2739;
    --warn-bg:#2a2312; --warn-ink:#e8c877;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 4px 14px rgba(0,0,0,.3);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- login gate ---------- */
.gate { min-height: 100dvh; display: grid; place-items: center; padding: 24px; }
.gate-card {
  width: 100%; max-width: 380px; background: var(--plane); border: 1px solid var(--hair);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 30px 26px;
}
.gate-mark { font-size: 12px; letter-spacing: .09em; text-transform: uppercase; color: var(--ink-faint); font-weight: 600; }
.gate-card h1 { font-size: 22px; margin: 6px 0 4px; }
.gate-sub { color: var(--ink-soft); font-size: 14px; margin: 0 0 20px; }
.gate-error { background: var(--warn-bg); color: var(--warn-ink); border-radius: 9px; padding: 9px 12px; font-size: 14px; margin-bottom: 14px; }
.gate-card input, .gate-card button {
  width: 100%; padding: 12px 14px; font: inherit; border-radius: 10px; border: 1px solid var(--hair-strong);
  background: var(--plane); color: var(--ink); margin-bottom: 11px;
}
.gate-card button { background: var(--accent); color: #fff; border-color: transparent; font-weight: 600; cursor: pointer; margin-bottom: 0; }

/* ---------- chrome ---------- */
.top {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 12px max(16px, env(safe-area-inset-left)) 12px max(16px, env(safe-area-inset-right));
  background: color-mix(in srgb, var(--plane) 88%, transparent);
  backdrop-filter: saturate(1.6) blur(10px);
  border-bottom: 1px solid var(--hair);
}
.brand { display: flex; flex-direction: column; line-height: 1.2; margin-right: auto; }
.brand:hover { text-decoration: none; }
.brand-mark { font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-faint); font-weight: 700; }
.brand-name { font-size: 16px; font-weight: 650; color: var(--ink); }
.top-right { display: flex; align-items: center; gap: 12px; }
#search {
  width: min(300px, 46vw); padding: 9px 13px; font: inherit; font-size: 14px;
  border: 1px solid var(--hair-strong); border-radius: 999px; background: var(--bg); color: var(--ink);
}
#search:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.signout { font-size: 13px; color: var(--ink-faint); }

main { max-width: 1080px; margin: 0 auto; padding: 26px max(16px, env(safe-area-inset-left)) 40px; }
.loading { color: var(--ink-soft); padding: 60px 0; text-align: center; }

/* ---------- shared bits ---------- */
.lede { font-size: 15px; color: var(--ink-soft); max-width: 62ch; margin: 0 0 22px; }
h2.page-h { font-size: 25px; margin: 0 0 6px; letter-spacing: -.01em; }
.back { display: inline-block; font-size: 14px; color: var(--ink-soft); margin-bottom: 14px; }
.back:hover { color: var(--accent); }
.count-pill {
  display: inline-block; font-size: 12px; font-weight: 600; color: var(--accent);
  background: var(--accent-soft); border-radius: 999px; padding: 3px 10px; vertical-align: 3px; margin-left: 8px;
}
.empty { color: var(--ink-soft); padding: 40px 0; }

/* ---------- level 1: use-case cards ---------- */
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(268px, 1fr)); }
.uc {
  display: block; background: var(--plane); border: 1px solid var(--hair); border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow); color: inherit;
  transition: transform .12s ease, border-color .12s ease;
}
.uc:hover { text-decoration: none; transform: translateY(-2px); border-color: var(--hair-strong); }
.uc-icon { font-size: 26px; line-height: 1; display: block; margin-bottom: 12px; }
.uc-name { font-size: 17px; font-weight: 650; margin: 0 0 6px; letter-spacing: -.01em; }
.uc-plain { font-size: 14px; color: var(--ink-soft); margin: 0 0 14px; }
.uc-count { font-size: 12.5px; font-weight: 600; color: var(--accent); }

/* ---------- level 2: company rows ---------- */
.rows { display: flex; flex-direction: column; gap: 9px; }
.row {
  display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap;
  background: var(--plane); border: 1px solid var(--hair); border-radius: 11px;
  padding: 14px 16px; color: inherit; box-shadow: var(--shadow);
}
.row:hover { text-decoration: none; border-color: var(--accent); }
.row-name { font-weight: 620; font-size: 15.5px; flex: 1 1 240px; }
.row-booth {
  font-size: 12px; font-weight: 650; font-variant-numeric: tabular-nums;
  color: var(--accent); background: var(--accent-soft); border-radius: 6px; padding: 2px 8px; white-space: nowrap;
}
.row-where { font-size: 12.5px; color: var(--ink-faint); white-space: nowrap; }
.row-sum { flex: 1 1 100%; font-size: 13.5px; color: var(--ink-soft); margin-top: 3px; }

/* ---------- level 3: company detail ---------- */
.detail { background: var(--plane); border: 1px solid var(--hair); border-radius: var(--radius); box-shadow: var(--shadow); padding: 26px; }
.detail h2 { font-size: 26px; margin: 0 0 4px; letter-spacing: -.015em; }
.detail .where { color: var(--ink-faint); font-size: 14px; margin: 0 0 18px; }
.badges { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.badge {
  font-size: 12.5px; font-weight: 600; border-radius: 8px; padding: 5px 11px;
  background: var(--accent-soft); color: var(--accent);
}
.badge.plain { background: var(--bg); color: var(--ink-soft); border: 1px solid var(--hair); }
.sec { margin-bottom: 22px; }
.sec h3 { font-size: 12px; letter-spacing: .09em; text-transform: uppercase; color: var(--ink-faint); margin: 0 0 8px; font-weight: 700; }
.sec p { margin: 0 0 10px; }
.sec .why { font-size: 15.5px; }
.raw { font-size: 14.5px; color: var(--ink-soft); white-space: pre-wrap; }
.official { font-size: 14px; color: var(--ink-soft); }
.official li { margin-bottom: 5px; }
.official ul { margin: 0; padding-left: 20px; }
.gloss { border-bottom: 1px dotted var(--hair-strong); cursor: help; }
.detail-links { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 24px; padding-top: 18px; border-top: 1px solid var(--hair); }
.btn {
  font-size: 14px; font-weight: 600; padding: 9px 16px; border-radius: 9px;
  border: 1px solid var(--hair-strong); color: var(--ink); background: var(--plane);
}
.btn:hover { text-decoration: none; border-color: var(--accent); color: var(--accent); }
.btn.primary { background: var(--accent); border-color: transparent; color: #fff; }
.btn.primary:hover { color: #fff; opacity: .92; }

/* ---------- footer ---------- */
.foot {
  max-width: 1080px; margin: 0 auto; padding: 22px 16px calc(34px + env(safe-area-inset-bottom));
  font-size: 12.5px; color: var(--ink-faint); border-top: 1px solid var(--hair);
}
#foot-count { display: block; margin-bottom: 4px; color: var(--ink-soft); font-weight: 600; }

@media (max-width: 560px) {
  main { padding-top: 20px; }
  h2.page-h { font-size: 21px; }
  .detail { padding: 20px 17px; }
  /* stack the header: brand on its own line, then search + sign out */
  .top { gap: 10px 12px; }
  .brand { flex: 1 1 100%; margin-right: 0; }
  .top-right { width: 100%; gap: 12px; }
  #search { flex: 1 1 auto; width: auto; min-width: 0; }
  .signout { white-space: nowrap; }
}

/* section headers on the landing page */
.sec-h { font-size: 13px; letter-spacing: .09em; text-transform: uppercase; color: var(--ink-faint);
         font-weight: 700; margin: 34px 0 4px; }
.sec-h:first-of-type { margin-top: 8px; }
.sec-sub { font-size: 14px; color: var(--ink-soft); max-width: 62ch; margin: 0 0 16px; }
.caveat { font-size: 13.5px; color: var(--warn-ink); background: var(--warn-bg);
          border-radius: 10px; padding: 10px 14px; max-width: 62ch; margin: -8px 0 20px; }
ul.makes { margin: 0; padding-left: 20px; }
ul.makes li { margin-bottom: 5px; }
.bi { display: inline-block; margin-right: .4em; }

/* signed-in identity */
.whoami { font-size: 13px; font-weight: 600; color: var(--ink-soft); white-space: nowrap; }
.whoami:not(:empty)::before { content: '👤 '; }

/* extra browse routes on the landing page */
.more-ways { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); margin-top: 16px; }
.way {
  display: block; padding: 15px 18px; border: 1px dashed var(--hair-strong);
  border-radius: 12px; color: inherit; background: transparent;
}
.way:hover { text-decoration: none; border-color: var(--accent); border-style: solid; background: var(--plane); }
.way strong { display: block; font-size: 14.5px; color: var(--accent); margin-bottom: 3px; }
.way span { font-size: 13.5px; color: var(--ink-soft); }

/* sub-category breakdown on an official category page */
details.subs { margin-bottom: 18px; background: var(--plane); border: 1px solid var(--hair);
               border-radius: 11px; padding: 12px 16px; }
details.subs summary { cursor: pointer; font-size: 14px; font-weight: 600; color: var(--accent); }
details.subs ul { margin: 12px 0 2px; padding-left: 20px; font-size: 13.5px; color: var(--ink-soft); }
details.subs li { margin-bottom: 7px; }
details.subs strong { color: var(--ink); font-weight: 600; }
.sub-n { display: inline-block; font-size: 11.5px; font-weight: 700; color: var(--accent);
         background: var(--accent-soft); border-radius: 5px; padding: 1px 6px; margin-left: 5px; }

/* ================= My Visits ================= */

.myvisits-link { font-size: 13px; font-weight: 600; color: var(--accent); white-space: nowrap; }
.myvisits-link #visit-count:not(:empty) {
  display: inline-block; min-width: 18px; text-align: center; margin-left: 3px;
  font-size: 11.5px; background: var(--accent); color: #fff; border-radius: 999px; padding: 1px 6px;
}

/* the tick button that sits beside every company row */
.row-wrap { display: flex; align-items: stretch; gap: 9px; }
.row-wrap .row { flex: 1; min-width: 0; }
.tick {
  flex: 0 0 auto; width: 42px; align-self: stretch; cursor: pointer;
  border: 1px solid var(--hair-strong); border-radius: 11px; background: var(--plane);
  color: var(--accent); font-size: 17px; font-weight: 700; line-height: 1;
  box-shadow: var(--shadow); transition: background .12s ease, border-color .12s ease;
}
.tick:hover { border-color: var(--accent); }
.tick:disabled { opacity: .5; cursor: wait; }
.tick.on { background: var(--accent); border-color: transparent; color: #fff; }
.row-note {
  flex: 1 1 100%; font-size: 13px; color: var(--ink-soft); margin-top: 5px;
  padding-top: 5px; border-top: 1px dashed var(--hair); font-style: italic;
}

/* the visit panel on a company page */
.visit-box {
  border: 1px solid var(--hair-strong); border-radius: 12px; padding: 15px 16px; margin-bottom: 20px;
  background: var(--bg);
}
.visit-box.done { border-color: var(--accent); background: var(--accent-soft); }
.visit-btn {
  font: inherit; font-size: 15px; font-weight: 650; cursor: pointer; padding: 10px 18px;
  border-radius: 10px; border: 1px solid var(--hair-strong); background: var(--plane); color: var(--ink);
}
.visit-btn:hover { border-color: var(--accent); color: var(--accent); }
.visit-box.done .visit-btn { background: var(--accent); border-color: transparent; color: #fff; }
.note-label { display: block; font-size: 12.5px; font-weight: 600; color: var(--ink-soft); margin: 14px 0 5px; }
.note-field {
  width: 100%; font: inherit; font-size: 14.5px; padding: 10px 12px; border-radius: 10px;
  border: 1px solid var(--hair-strong); background: var(--plane); color: var(--ink); resize: vertical;
}
.note-field:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.note-status { font-size: 12.5px; color: var(--ink-faint); }
.note-status.ok { color: var(--accent); }
.note-status.bad { color: var(--warn-ink); }

/* filter chips */
.my-bar { display: flex; flex-wrap: wrap; gap: 9px; align-items: center; margin-bottom: 18px; }
.chip {
  font-size: 13px; font-weight: 600; padding: 7px 14px; border-radius: 999px;
  border: 1px solid var(--hair-strong); color: var(--ink-soft); background: var(--plane);
}
.chip:hover { text-decoration: none; border-color: var(--accent); color: var(--accent); }
.chip.on { background: var(--accent); border-color: transparent; color: #fff; }
.report-cta { margin-left: auto; }

/* transient message */
.flash {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(20px);
  background: var(--warn-bg); color: var(--warn-ink); border: 1px solid var(--hair-strong);
  border-radius: 10px; padding: 11px 18px; font-size: 14px; box-shadow: var(--shadow);
  opacity: 0; pointer-events: none; transition: opacity .18s ease, transform .18s ease; z-index: 60;
  max-width: min(92vw, 460px);
}
.flash.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ================= the report ================= */

.report {
  background: var(--plane); border: 1px solid var(--hair); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 30px 32px;
}
.rep-head { border-bottom: 2px solid var(--ink); padding-bottom: 14px; margin-bottom: 8px; }
.rep-kicker { font-size: 11.5px; letter-spacing: .09em; text-transform: uppercase;
              color: var(--ink-faint); font-weight: 700; margin: 0 0 5px; }
.rep-head h2 { font-size: 27px; margin: 0 0 4px; letter-spacing: -.015em; }
.rep-sub { font-size: 14px; color: var(--ink-soft); margin: 0; }
.rep-actions { display: flex; gap: 10px; flex-wrap: wrap; margin: 20px 0 26px; }
.rep-actions .btn { cursor: pointer; font: inherit; font-size: 14px; font-weight: 600; }
.rep-item { padding: 16px 0; border-bottom: 1px solid var(--hair); break-inside: avoid; }
.rep-item:last-child { border-bottom: 0; }
.rep-item h3 { font-size: 17px; margin: 0 0 4px; }
.rep-n { color: var(--ink-faint); font-weight: 600; margin-right: 3px; }
.rep-meta { font-size: 13.5px; color: var(--ink-soft); margin: 0 0 8px; }
.rep-url { word-break: break-all; }
.rep-what { font-size: 14px; margin: 0 0 8px; }
.rep-lbl { font-size: 11.5px; letter-spacing: .06em; text-transform: uppercase;
           color: var(--ink-faint); font-weight: 700; margin-right: 6px; }
.rep-note { font-size: 14.5px; background: var(--bg); border-left: 3px solid var(--accent);
            border-radius: 0 8px 8px 0; padding: 10px 14px; white-space: pre-wrap; }
.rep-none { color: var(--ink-faint); }

@media print {
  /* the report is the page; everything else is screen furniture */
  .top, .foot, .noprint, .rep-actions, .flash { display: none !important; }
  body { background: #fff; color: #000; }
  main { max-width: none; padding: 0; }
  .report { border: 0; box-shadow: none; border-radius: 0; padding: 0; background: #fff; }
  .rep-note { background: #f4f4f4; border-left: 3px solid #666; }
  .rep-item { break-inside: avoid; page-break-inside: avoid; }
  a { color: #000; text-decoration: none; }
  @page { margin: 16mm; }
}

@media (max-width: 560px) {
  .tick { width: 38px; }
  .report { padding: 20px 17px; }
  .report-cta { margin-left: 0; width: 100%; text-align: center; }
}