/* ppq-pricelist — mobile-first CSS, no framework.
   Base = small screens. Progressive enhancement via @media (min-width:).
   Dark theme default; light via [data-theme="light"] on <html>. */

:root {
  --bg: #0e1116;
  --bg-raised: #161b23;
  --bg-hover: #1d2430;
  --border: #2a3342;
  --text: #d7dee8;
  --text-dim: #8b96a5;
  --accent: #4ea1ff;
  --accent-dim: #2d5f96;
  --good: #3fb96f;
  --warn: #d9a13c;
  --bad: #d95c5c;
  --chip-bg: #202836;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  /* 44px minimum touch targets on mobile (Apple HIG / WCAG 2.5.5) */
  --tap: 44px;
}

[data-theme="light"] {
  --bg: #f5f7fa;
  --bg-raised: #ffffff;
  --bg-hover: #eef2f7;
  --border: #d5dbe4;
  --text: #1c2530;
  --text-dim: #5d6a7a;
  --accent: #1a6fd4;
  --accent-dim: #a8c8ec;
  --chip-bg: #e8edf4;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.45;
  /* respect iOS safe areas (notch/home bar) */
  padding: env(safe-area-inset-top) env(safe-area-inset-right)
           env(safe-area-inset-bottom) env(safe-area-inset-left);
}

/* prevent iOS auto-zoom on focus (needs >=16px) and keep taps comfortable;
   shared chrome so native controls (select!) match the custom-styled ones */
input, select, button, .vdd summary {
  font: inherit;
  min-height: var(--tap);
  color: var(--text);
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 12px;
}

a { color: var(--accent); }

/* ---------- header ---------- */
header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-raised);
  position: sticky;
  top: 0;
  z-index: 10;
}
header h1 { font-size: 17px; margin: 0; }
header h1 a { color: inherit; text-decoration: none; }
header .meta { color: var(--text-dim); font-size: 12px; }
header .meta .stale { color: var(--warn); }
header .spacer { flex: 1; }
header button { padding: 8px 14px; } /* roomier tap targets in the bar */

main { padding: 12px; }

/* ---------- status ---------- */
#status {
  margin: 10px 0;
  padding: 10px 12px;
  border-radius: 6px;
  display: none;
}
#status.error { display: block; background: rgba(217,92,92,.12); border: 1px solid var(--bad); color: var(--bad); }
#status.info { display: block; background: rgba(78,161,255,.1); border: 1px solid var(--accent-dim); color: var(--text-dim); }

/* ---------- filters: stacked columns on mobile ---------- */
#filters {
  display: grid;
  grid-template-columns: 1fr 1fr; /* two controls per row */
  gap: 8px;
  align-items: center;
  margin-bottom: 12px;
}
#filters > * { min-width: 0; }
#search, #vendor-dd, #privacy { grid-column: span 2; }

#filters input[type="search"] { width: 100%; }
#filters select { width: 100%; }

#filters .group { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }

#filters label.toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  color: var(--text-dim);
  user-select: none;
  padding: 0 4px;
}
#filters label.toggle input { width: 18px; height: 18px; }
#filters label.toggle.on { color: var(--accent); }

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--chip-bg);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 12px;
  cursor: pointer;
  user-select: none;
}
.chip.on { background: var(--accent-dim); border-color: var(--accent); color: var(--text); }

.price-range { display: flex; gap: 6px; align-items: center; color: var(--text-dim); grid-column: span 2; }
.price-range input { width: 0; flex: 1; min-width: 0; }
.price-range label { flex: none; }
#clear-btn { grid-column: span 2; }

/* ---------- vendor multi-select dropdown ---------- */
.vdd { position: relative; }
.vdd summary {
  list-style: none;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: center;
}
.vdd summary::-webkit-details-marker { display: none; }
.vdd summary::after { content: "▾"; color: var(--text-dim); margin-left: auto; padding-left: 8px; }
.vdd[open] summary::after { content: "▴"; }
.vdd-list {
  position: fixed;                       /* anchor to viewport on small screens */
  left: 12px;
  right: 12px;
  top: auto;
  z-index: 30;
  width: auto;
  max-width: none;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 8px;
}
.vdd-actions {
  display: flex;
  gap: 6px;
  align-items: center;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
}
.vdd-actions input[type="search"] { flex: 1; min-width: 0; padding: 6px 10px; }
.vdd-actions button { font-size: 12px; padding: 6px 12px; flex: none; }
.vdd-items { max-height: min(320px, 50vh); overflow-y: auto; overscroll-behavior: contain; }
.vdd-items label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 8px;                      /* ~44px rows with line-height */
  border-radius: 6px;
  cursor: pointer;
  white-space: nowrap;
}
.vdd-items label:hover { background: var(--bg-hover); }
.vdd-items label[hidden] { display: none; }
.vdd-items .count { color: var(--text-dim); font-size: 11px; margin-left: auto; }
.vdd-empty { color: var(--text-dim); padding: 8px 6px; }

/* ---------- tables: horizontal scroll, comfortable rows ---------- */
section { margin-bottom: 24px; }
section h2 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  margin: 0 0 8px;
}

.tbl-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

table { border-collapse: collapse; width: 100%; min-width: 760px; }

th, td {
  padding: 9px 10px;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--border);
}
tbody tr:last-child td { border-bottom: none; }
tbody tr.model-row:hover { background: var(--bg-hover); cursor: pointer; }
tbody tr.detail-row td { background: var(--bg-raised); white-space: normal; }

thead th {
  background: var(--bg-raised);
  color: var(--text-dim);
  font-weight: 600;
  font-size: 12px;
  cursor: pointer;
  user-select: none;
}
thead th:hover { color: var(--text); }
thead th .arrow { color: var(--accent); font-size: 10px; }

td.num, th.num { text-align: right; font-family: var(--mono); font-size: 13px; }

.badge {
  display: inline-block;
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  vertical-align: middle;
}
.badge.popular { color: var(--warn); border-color: var(--warn); }
.badge.zdr { color: var(--good); }
.badge.e2e { color: var(--accent); }
.badge.anon { color: var(--text-dim); }

.mono { font-family: var(--mono); font-size: 12px; color: var(--text-dim); }
.quick { font-family: var(--mono); font-size: 11.5px; color: var(--accent); margin-top: 1px; }

.mod-chips { display: inline-flex; gap: 3px; flex-wrap: wrap; }
.mod-chips .chip { cursor: default; font-size: 10px; padding: 1px 6px; min-height: 0; }
.mod-chips .arrow { color: var(--text-dim); font-size: 10px; align-self: center; }

/* ---------- detail row ---------- */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr;            /* single column on mobile */
  gap: 10px;
  padding: 6px 2px;
}
.detail-grid dt { color: var(--text-dim); font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; }
.detail-grid dd { margin: 1px 0 8px; font-family: var(--mono); font-size: 12px; word-break: break-all; white-space: normal; }

/* ---------- self-tests / footer ---------- */
#selftest { font-family: var(--mono); font-size: 12px; padding: 10px 14px; }
#selftest .pass { color: var(--good); }
#selftest .fail { color: var(--bad); }

footer {
  padding: 14px;
  color: var(--text-dim);
  font-size: 12px;
  border-top: 1px solid var(--border);
}

/* =================================================================
   Desktop enhancement — only ≥ 720px
   ================================================================= */
@media (min-width: 720px) {
  main { padding: 16px 20px 60px; max-width: 1400px; margin: 0 auto; }
  header { padding: 12px 20px 10px; align-items: baseline; }
  header button { padding: 5px 10px; }

  /* filter bar flows back to one wrapping row */
  #filters { display: flex; flex-wrap: wrap; gap: 8px; }
  #search, #vendor-dd, #privacy, .price-range, #clear-btn { grid-column: auto; }
  #search { flex: 1 1 220px; width: auto; }
  #vendor-dd { flex: 0 0 auto; }
  #privacy { flex: 0 0 auto; width: auto; }
  .price-range { flex: 0 0 auto; }
  #clear-btn { flex: 0 0 auto; padding: 5px 10px; }
  #filters select { width: auto; }
  #filters label.toggle { padding: 0; }
  .chip { min-height: 0; padding: 3px 9px; }

  /* dropdown anchors to its trigger again */
  .vdd-list {
    position: absolute;
    left: 0;
    right: auto;
    top: calc(100% + 4px);
    width: 280px;
    border-radius: 6px;
  }
  .vdd-items label { padding: 3px 6px; }

  table { min-width: 980px; }
  th, td { padding: 7px 10px; }
  .detail-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
  thead th { font-size: 12px; }
}

/* very narrow phones: one filter control per row */
@media (max-width: 380px) {
  #filters { grid-template-columns: 1fr; }
  #search, #vendor-dd, #privacy, .price-range, #clear-btn { grid-column: span 1; }
}
