/* Block Finder — mobile first. Designed for a phone held in one hand in a
   warehouse: big tap targets, high contrast, no hover-only affordances. */

:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --ink: #16181d;
  --ink-2: #5b6472;
  --ink-3: #8a93a1;
  --line: #e2e5ea;
  --accent: #1f6feb;
  --accent-ink: #ffffff;
  --warn-bg: #fff7e6;
  --warn-line: #f0c36d;
  --warn-ink: #8a5a00;
  --bad: #c2410c;
  --gone: #94a3b8;
  --radius: 14px;
  --tap: 48px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

/* Any rule that sets display beats the browser's own [hidden] rule, so the
   lock grid stayed on screen in shelf mode even with the attribute set.
   Declared once here rather than per component, which is how it was missed. */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans Thai",
    "Sarabun", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.45;
  -webkit-text-size-adjust: 100%;
}

body { padding-bottom: 96px; }

/* ---------------------------------------------------------------- top bar */

header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bg);
  padding: 10px 12px 8px;
  border-bottom: 1px solid var(--line);
}

.search-wrap { position: relative; }

#q {
  width: 100%;
  height: var(--tap);
  padding: 0 40px 0 14px;
  font-size: 17px;
  font-family: inherit;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  outline: none;
}
#q:focus { border-color: var(--accent); }

#clear {
  position: absolute;
  right: 4px;
  top: 4px;
  width: 40px;
  height: 40px;
  border: 0;
  background: transparent;
  color: var(--ink-3);
  font-size: 22px;
  cursor: pointer;
}

.mode {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 22px;
  margin-top: 6px;
  font-size: 13px;
  color: var(--ink-2);
}
.mode b { color: var(--ink); font-weight: 600; }

.banner {
  margin: 8px 12px 0;
  padding: 8px 12px;
  font-size: 13px;
  background: var(--warn-bg);
  border: 1px solid var(--warn-line);
  color: var(--warn-ink);
  border-radius: 10px;
}
.banner[hidden] { display: none !important; }

/* ------------------------------------------------------------ lock grid */

.locks {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  padding: 12px;
}

.lock-btn {
  height: 60px;
  font-family: inherit;
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
}
.lock-btn small {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: var(--ink-3);
}
.lock-btn.on { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.lock-btn.on small { color: rgba(255,255,255,.8); }

.chips { display: flex; gap: 8px; padding: 0 12px 4px; flex-wrap: wrap; }
.chip {
  height: 34px;
  padding: 0 14px;
  font-family: inherit;
  font-size: 13px;
  color: var(--ink-2);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 17px;
  cursor: pointer;
}
.chip.on { background: var(--ink); color: #fff; border-color: var(--ink); }

/* --------------------------------------------------------------- results */

.shelf-head {
  position: sticky;
  top: 92px;
  z-index: 10;
  padding: 10px 12px 4px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-2);
  background: linear-gradient(var(--bg) 70%, rgba(244,245,247,0));
}

.list { padding: 4px 12px 0; }

.card {
  display: flex;
  gap: 12px;
  width: 100%;
  padding: 10px;
  margin-bottom: 8px;
  text-align: left;
  font-family: inherit;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
}
.card.gone { opacity: .55; }

.thumb {
  flex: 0 0 62px;
  width: 62px;
  height: 84px;
  background: #eef0f3;
  border-radius: 8px;
  overflow: hidden;
}
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.thumb.empty::after {
  content: "ไม่มีรูป";
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  font-size: 11px;
  color: var(--ink-3);
}

.card-body { flex: 1 1 auto; min-width: 0; }
.card-name {
  font-size: 15px;
  color: var(--ink);
  word-break: break-word;
}
.card-name mark { background: #fde68a; color: inherit; padding: 0 1px; border-radius: 2px; }
.card-name .sep { color: var(--ink-3); }
.card-where {
  margin-top: 6px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .3px;
}
.card-tags { margin-top: 4px; font-size: 12px; color: var(--ink-3); }
.card-tags .flag { color: var(--bad); }

.empty-state {
  padding: 40px 24px;
  text-align: center;
  color: var(--ink-2);
}
.empty-state b { display: block; font-size: 17px; color: var(--ink); margin-bottom: 6px; }

/* ------------------------------------------------------------------ fab */

.fab {
  position: fixed;
  right: 16px;
  bottom: 20px;
  z-index: 30;
  height: 56px;
  padding: 0 22px;
  font-family: inherit;
  font-size: 16px;
  font-weight: 700;
  color: var(--accent-ink);
  background: var(--accent);
  border: 0;
  border-radius: 28px;
  box-shadow: 0 6px 18px rgba(31,111,235,.35);
  cursor: pointer;
}

/* ---------------------------------------------------------------- sheet */

.overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: rgba(15,18,23,.5);
  display: flex;
  align-items: flex-end;
}
.overlay[hidden] { display: none !important; }

.sheet {
  width: 100%;
  max-height: 92vh;
  overflow-y: auto;
  background: var(--bg);
  border-radius: 18px 18px 0 0;
  padding: 8px 16px 24px;
}
.sheet-grip {
  width: 40px;
  height: 4px;
  margin: 6px auto 12px;
  background: var(--line);
  border-radius: 2px;
}
.sheet h2 { margin: 0 0 4px; font-size: 18px; }
.sheet .hero {
  width: 100%;
  max-height: 46vh;
  object-fit: contain;
  background: #eef0f3;
  border-radius: 12px;
  display: block;
}
.sheet .where {
  margin: 12px 0 2px;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: .5px;
}
.sheet .designs { margin: 8px 0 0; padding: 0; list-style: none; }
.sheet .designs li {
  padding: 8px 0;
  border-top: 1px solid var(--line);
  font-size: 15px;
  word-break: break-word;
}
.sheet .also { margin-top: 14px; }
.sheet .also h3 { margin: 0 0 6px; font-size: 13px; color: var(--ink-2); }

.actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 16px; }
.btn {
  height: var(--tap);
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  cursor: pointer;
}
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.wide { grid-column: 1 / -1; }
.btn.danger { color: var(--bad); }
.btn:disabled { opacity: .5; }

label.field { display: block; margin-top: 14px; font-size: 13px; color: var(--ink-2); }
label.field input, label.field textarea, label.field select {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 16px;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  outline: none;
}
label.field textarea { min-height: 84px; resize: vertical; }
label.field .hint { font-size: 12px; color: var(--ink-3); }

.preview {
  width: 100%;
  max-height: 40vh;
  object-fit: contain;
  margin-top: 10px;
  background: #eef0f3;
  border-radius: 12px;
}
.preview[hidden] { display: none !important; }

.msg { margin-top: 12px; font-size: 14px; }
.msg.err { color: var(--bad); }
.msg.ok { color: #15803d; }

.foot {
  padding: 24px 16px 8px;
  font-size: 11px;
  color: var(--ink-3);
  text-align: center;
}