:root {
  --bg: #f6f8fb;
  --panel: #ffffff;
  --panel-2: #f1f4f9;
  --ink: #11202d;
  --ink-soft: #4a5e72;
  --ink-mute: #7d8ea0;
  --line: #dbe3ec;
  --accent: #0a6c91;
  --accent-soft: #d6eaf3;
  --hybrid: #2c6a8f;
  --hybrid-bg: #e2eef5;
  --gold: #8a6500;
  --gold-bg: #fbf1d6;
  --chip-on-bg: #0a6c91;
  --chip-on-ink: #ffffff;
  --chip-off-bg: #eaf0f6;
  --chip-off-ink: #1f3344;
  --good: #2e7d32;
  --good-bg: #e6f4e7;
  --warn: #b1670a;
  --warn-bg: #fbecd1;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 2px rgba(15, 30, 50, 0.05), 0 4px 12px rgba(15, 30, 50, 0.06);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  -webkit-text-size-adjust: 100%;
}

body { overflow-x: hidden; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.9em; }

.topbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 28px 16px;
  background: linear-gradient(180deg, #4b2e83 0%, #2e1a55 100%);
  color: #fff;
  flex-wrap: wrap;
}

.topbar h1 {
  margin: 0;
  font-size: 22px;
  letter-spacing: 0.2px;
}

.topbar .subtitle {
  margin: 4px 0 0;
  color: #cce3ee;
  font-size: 13px;
}

.topbar-right {
  display: flex;
  gap: 8px;
  align-items: center;
  min-width: 320px;
}

#searchBox {
  flex: 1;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid #6a4ea3;
  background: #ffffff;
  color: var(--ink);
  font-size: 14px;
  min-width: 220px;
}

#searchBox:focus { outline: 2px solid #b7a5dc; outline-offset: 1px; }

#resetBtn {
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid #6a4ea3;
  background: #4b2e83;
  color: #ffffff;
  font-size: 13px;
  cursor: pointer;
}
#resetBtn:hover { background: #3b2466; }

/* Agreement banner */
.agreement {
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 12px 28px 14px;
}

.agreement-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.agreement-headline {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.agreement-headline strong {
  font-size: 14px;
  color: #4b2e83;
  letter-spacing: 0.2px;
}

.agreement-sub {
  font-size: 12px;
  color: var(--ink-mute);
}

.agreement-stats {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.stat {
  display: inline-flex;
  flex-direction: column;
  gap: 0;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  line-height: 1.25;
  background: var(--good-bg);
  color: var(--good);
  border: 1px solid #c7e3c9;
}

.stat.expired {
  background: #fbe2e2;
  color: #8a1f1f;
  border-color: #f2c0c0;
}

.stat .stat-label {
  font-weight: 700;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  font-size: 10.5px;
  opacity: 0.85;
}

.stat .stat-value {
  font-size: 13px;
  font-weight: 600;
}

.agreement-details {
  margin-top: 8px;
  font-size: 13px;
  color: var(--ink-soft);
}

.agreement-details summary {
  cursor: pointer;
  color: #4b2e83;
  font-weight: 600;
  font-size: 12.5px;
  user-select: none;
}

.agreement-body {
  margin-top: 8px;
  background: #f7f3ff;
  border: 1px solid #e0d5f5;
  border-radius: var(--radius);
  padding: 12px 16px;
}

.agreement-body ul {
  margin: 0 0 10px;
  padding-left: 18px;
}

.agreement-body li { margin: 4px 0; line-height: 1.45; }

.agreement-links {
  margin: 0;
  font-size: 12.5px;
  color: var(--ink-soft);
}

.layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 20px;
  padding: 20px 28px 40px;
  align-items: start;
}

@media (max-width: 900px) {
  .layout {
    display: flex;
    flex-direction: column-reverse;
    grid-template-columns: none;
    gap: 0;
  }
  .sidebar {
    position: static;
    top: auto;
    max-height: none;
    overflow-y: visible;
  }
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: sticky;
  top: 16px;
  max-height: calc(100vh - 32px);
  overflow-y: auto;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow);
}

.panel h2 {
  margin: 0 0 6px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--ink-soft);
}

.hint {
  margin: 0 0 10px;
  font-size: 12px;
  color: var(--ink-mute);
  line-height: 1.45;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--chip-off-bg);
  color: var(--chip-off-ink);
  border: 1px solid transparent;
  font-size: 12.5px;
  cursor: pointer;
  user-select: none;
  transition: background 0.12s ease, color 0.12s ease;
}

.chip[aria-pressed="true"] {
  background: var(--chip-on-bg);
  color: var(--chip-on-ink);
}

.chip .chip-weight {
  font-size: 10.5px;
  opacity: 0.7;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12.5px;
  color: var(--ink-soft);
  margin: 10px 0 0;
}
.field:first-of-type { margin-top: 0; }

.field span { font-weight: 600; }

.field select,
.field input[type="text"],
textarea {
  padding: 7px 9px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font-size: 13px;
  font-family: inherit;
}

textarea {
  width: 100%;
  resize: vertical;
}

input[type="range"] { width: 100%; }

.checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-soft);
  margin-top: 12px;
}

.counts {
  font-size: 12px;
  color: var(--ink-mute);
  line-height: 1.5;
}

.results {
  min-height: 200px;
}

.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  gap: 12px;
  flex-wrap: wrap;
}

.status {
  font-size: 13px;
  color: var(--ink-soft);
}

.legend {
  display: flex;
  gap: 6px;
  font-size: 11px;
}

.result-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 16px;
  align-items: start;
}

.card.zero { opacity: 0.65; }

.card-title {
  font-size: 16px;
  font-weight: 600;
  margin: 0;
  line-height: 1.3;
}

.card-title a { color: var(--ink); }
.card-title a:hover { color: var(--accent); }

.card-sub {
  font-size: 12.5px;
  color: var(--ink-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  margin-top: 2px;
}

.card-sub .sep { color: var(--ink-mute); }

.matches {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 6px;
}

.match-chip {
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
}

.card-right {
  text-align: right;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  min-width: 110px;
}

.apc {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.apc small {
  font-size: 11px;
  font-weight: 500;
  color: var(--ink-mute);
  display: block;
  margin-top: -1px;
}

.apc-missing {
  font-size: 12px;
  color: var(--ink-mute);
}

.apc-row {
  display: flex;
  align-items: baseline;
  gap: 6px;
  justify-content: flex-end;
}

.apc-strike {
  font-size: 12px;
  color: var(--ink-mute);
  text-decoration: line-through;
  font-variant-numeric: tabular-nums;
}

.apc.free {
  color: var(--good);
}

.coverage {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10.5px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  white-space: nowrap;
}

.coverage.covered {
  background: var(--good-bg);
  color: var(--good);
}

.coverage.uncovered {
  background: var(--warn-bg);
  color: var(--warn);
}

.coverage-note {
  font-size: 10.5px;
  color: var(--ink-mute);
  text-align: right;
  max-width: 200px;
}

.score {
  font-size: 11px;
  color: var(--ink-mute);
}

.score strong { color: var(--accent); font-size: 12px; }

.badge {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.badge.hybrid { background: var(--hybrid-bg); color: var(--hybrid); }
.badge.gold   { background: var(--gold-bg);   color: var(--gold); }

.load-more-wrap {
  margin: 16px 0 4px;
  text-align: center;
}

#loadMoreBtn {
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font-size: 13px;
  cursor: pointer;
}
#loadMoreBtn:hover { background: var(--panel-2); }

.footer {
  padding: 14px 28px 22px;
  font-size: 12px;
  color: var(--ink-mute);
  text-align: center;
}

mark {
  background: #fff3a8;
  color: inherit;
  padding: 0 2px;
  border-radius: 2px;
}

/* ---------- Mobile sidebar toggle button (hidden on desktop) ---------- */
.sidebar-toggle {
  display: none;
}

/* ---------- Phone / small viewport ---------- */
@media (max-width: 600px) {
  .topbar {
    padding: 14px 16px 12px;
    gap: 10px;
    align-items: stretch;
    flex-direction: column;
  }
  .topbar h1 { font-size: 19px; }
  .topbar .subtitle { font-size: 12px; line-height: 1.4; }

  .topbar-right {
    width: 100%;
    min-width: 0;
    gap: 8px;
  }

  #searchBox {
    flex: 1 1 auto;
    min-width: 0;
    width: 100%;
    font-size: 16px; /* prevents iOS auto-zoom on focus */
    padding: 10px 12px;
  }

  #resetBtn {
    padding: 10px 14px;
    font-size: 14px;
    flex-shrink: 0;
  }

  /* Agreement banner */
  .agreement {
    padding: 10px 16px 12px;
  }
  .agreement-row {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }
  .agreement-headline strong { font-size: 13px; }
  .agreement-sub { font-size: 11.5px; word-break: break-word; }
  .agreement-stats {
    gap: 6px;
    flex-direction: column;
  }
  .stat {
    padding: 5px 9px;
    width: 100%;
  }
  .stat .stat-value { font-size: 12.5px; }
  .agreement-body {
    padding: 10px 12px;
    font-size: 12.5px;
    word-break: break-word;
    overflow-wrap: break-word;
  }
  .agreement-body ul { padding-left: 16px; }
  .agreement-links {
    line-height: 1.7;
    word-break: break-all;
  }

  /* Layout: results first, sidebar collapses */
  .layout {
    padding: 12px 14px 28px;
    gap: 0;
    display: flex;
    flex-direction: column-reverse;
  }

  /* Collapsible sidebar */
  .sidebar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px 16px;
    margin-bottom: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--panel);
    color: var(--accent);
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: background 0.15s ease;
    order: 1;
  }
  .sidebar-toggle:hover {
    background: var(--panel-2);
  }
  .sidebar-toggle .toggle-arrow {
    display: inline-block;
    transition: transform 0.25s ease;
    font-size: 12px;
  }
  .sidebar-toggle[aria-expanded="true"] .toggle-arrow {
    transform: rotate(180deg);
  }

  .sidebar {
    gap: 12px;
    order: 2;
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition: max-height 0.35s ease, opacity 0.25s ease, margin 0.25s ease;
    margin-top: 0;
  }
  .sidebar.open {
    max-height: 2000px;
    opacity: 1;
    margin-top: 14px;
  }

  .results {
    order: 3;
  }

  .panel { padding: 12px 14px; }

  .field select,
  .field input[type="text"],
  textarea {
    font-size: 16px; /* prevents iOS auto-zoom */
    padding: 9px 10px;
  }

  .chip {
    padding: 7px 12px;
    font-size: 13px;
  }

  .checkbox {
    font-size: 13.5px;
    min-height: 44px;
    padding: 4px 0;
  }
  .checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
  }

  .results-header {
    align-items: flex-start;
    gap: 8px;
  }

  .card {
    grid-template-columns: 1fr;
    padding: 12px 14px;
    gap: 8px;
  }
  .card-title {
    font-size: 15px;
    word-break: break-word;
    overflow-wrap: break-word;
  }
  .card-sub {
    gap: 4px 12px;
    word-break: break-word;
    overflow-wrap: break-word;
  }

  .card-right {
    text-align: left;
    align-items: flex-start;
    min-width: 0;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px 10px;
    padding-top: 6px;
    border-top: 1px dashed var(--line);
    width: 100%;
  }
  .card-right .badge { order: -1; }
  .apc-row { justify-content: flex-start; }
  .apc { font-size: 16px; }
  .coverage-note {
    text-align: left;
    max-width: none;
    flex-basis: 100%;
  }
  .score { flex-basis: 100%; }

  .footer {
    padding: 12px 14px 22px;
    line-height: 1.5;
  }

  .load-more-wrap {
    margin: 14px 0;
  }
  #loadMoreBtn {
    width: 100%;
    padding: 12px 18px;
    font-size: 14px;
  }
}

/* ---------- Tablet / medium viewport ---------- */
@media (max-width: 900px) and (min-width: 601px) {
  .topbar {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  .topbar-right {
    min-width: 0;
    width: 100%;
  }
  .card-title {
    word-break: break-word;
    overflow-wrap: break-word;
  }

  .sidebar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px 16px;
    margin-bottom: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--panel);
    color: var(--accent);
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    box-shadow: var(--shadow);
    order: 1;
  }
  .sidebar-toggle .toggle-arrow {
    display: inline-block;
    transition: transform 0.25s ease;
    font-size: 12px;
  }
  .sidebar-toggle[aria-expanded="true"] .toggle-arrow {
    transform: rotate(180deg);
  }

  .sidebar {
    order: 2;
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition: max-height 0.35s ease, opacity 0.25s ease, margin 0.25s ease;
    margin-top: 0;
  }
  .sidebar.open {
    max-height: 2000px;
    opacity: 1;
    margin-top: 14px;
  }

  .results {
    order: 3;
  }
}

/* ---------- Very narrow phones (e.g. iPhone SE) ---------- */
@media (max-width: 380px) {
  .topbar { padding: 12px 12px 10px; }
  .topbar h1 { font-size: 17px; }
  .topbar .subtitle { font-size: 11px; }
  .agreement { padding: 10px 12px; }
  .layout { padding: 10px 10px 24px; }
  .footer { padding: 12px 10px 20px; }
  .chip {
    padding: 6px 10px;
    font-size: 12.5px;
  }
}