:root {
  --ink: #182524;
  --paper: #f6f3ec;
  --panel: #ffffff;
  --teal: #146c62;
  --teal-dark: #0d4a43;
  --amber: #c17a1f;
  --amber-soft: #f4e3c6;
  --border: #dcd6c6;
  --ok: #1f7a4d;
  --ok-bg: #e4f4ea;
  --no: #a63d2f;
  --no-bg: #fbe8e3;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(24, 37, 36, 0.08), 0 8px 24px rgba(24, 37, 36, 0.06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.5;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.app-header {
  background: var(--teal-dark);
  color: #fdfaf3;
  border-bottom: 4px solid var(--amber);
}

.header-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 20px 24px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: flex-end;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 16px;
}

.brand-mark {
  font-size: 2rem;
  line-height: 1;
}

.brand h1 {
  margin: 0;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
}

.tagline {
  margin: 2px 0 0;
  color: #cfe6e0;
  font-size: 0.92rem;
}

.tabs {
  display: flex;
  gap: 4px;
}

.tab-btn {
  background: transparent;
  border: none;
  color: #cfe6e0;
  padding: 10px 16px;
  font-size: 0.92rem;
  cursor: pointer;
  border-radius: 8px 8px 0 0;
  border-bottom: 3px solid transparent;
}

.tab-btn:hover {
  background: rgba(255, 255, 255, 0.06);
}

.tab-btn.active {
  color: #fff;
  background: var(--paper);
  border-bottom-color: var(--amber);
}

main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px;
}

.view { display: none; }
.view.active { display: block; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}

.panel-hint {
  color: #4c5957;
  font-size: 0.92rem;
  margin: 0 0 16px;
}

.checker-intro { margin-bottom: 16px; }

.preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.preset-btn {
  background: var(--amber-soft);
  border: 1px solid #e3c68d;
  color: #6b4611;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.85rem;
  cursor: pointer;
}

.preset-btn:hover {
  background: #efd6a2;
}

.checker-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: start;
}

@media (max-width: 800px) {
  .checker-grid { grid-template-columns: 1fr; }
}

.field-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 14px;
}

.field-row label {
  font-size: 0.85rem;
  font-weight: 600;
  color: #33443f;
}

.field-row input,
.field-row select {
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  background: #fff;
  color: var(--ink);
}

.field-row input:focus,
.field-row select:focus {
  outline: 2px solid var(--teal);
  outline-offset: 1px;
}

.overall-read {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.overall-badge {
  font-weight: 700;
  font-size: 0.8rem;
  padding: 6px 14px;
  border-radius: 999px;
  background: #eee;
  color: #555;
  white-space: nowrap;
}

.overall-badge.covered {
  background: var(--ok-bg);
  color: var(--ok);
}

.overall-badge.not-covered {
  background: var(--no-bg);
  color: var(--no);
}

#overallSummary {
  margin: 0;
  font-size: 0.95rem;
}

.reason-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.reason-list li {
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.88rem;
  border-left: 3px solid var(--border);
  background: #faf8f2;
}

.reason-list li.pass { border-left-color: var(--ok); }
.reason-list li.fail { border-left-color: var(--no); }

.letter-panel { margin-top: 20px; }

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

.letter-header h3 { margin: 0; font-size: 1.05rem; }

.secondary-btn {
  background: var(--teal);
  color: #fff;
  border: none;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.85rem;
  cursor: pointer;
}

.secondary-btn:hover { background: var(--teal-dark); }

.letter-text {
  width: 100%;
  min-height: 260px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: "SFMono-Regular", Consolas, Menlo, monospace;
  font-size: 0.85rem;
  line-height: 1.55;
  resize: vertical;
  background: #faf8f2;
  color: var(--ink);
}

.copy-confirm {
  min-height: 1.2em;
  margin: 6px 0 0;
  color: var(--ok);
  font-size: 0.85rem;
}

.table-panel { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.87rem;
}

th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  background: var(--amber-soft);
  color: #5c3d0e;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

tr:last-child td { border-bottom: none; }

.directory-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 14px;
}

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

.provider-card h4 {
  margin: 0 0 4px;
  font-size: 1rem;
}

.provider-meta {
  font-size: 0.82rem;
  color: #55625f;
  margin: 0 0 8px;
}

.specialty-chip {
  display: inline-block;
  background: #e3efec;
  color: var(--teal-dark);
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 999px;
  margin: 0 4px 4px 0;
}

.partner-tag {
  display: inline-block;
  margin-top: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--amber);
}

.app-footer {
  max-width: 1080px;
  margin: 0 auto;
  padding: 16px 24px 32px;
  color: #6a746f;
  font-size: 0.8rem;
}