:root {
  --bg: #f4f5f7;
  --card-bg: #ffffff;
  --text: #1a1d21;
  --muted: #5c636b;
  --border: #d8dce1;
  --accent: #0f6cbd;
  --accent-text: #ffffff;
  --danger: #b30000;
  --warning: #8a5300;
  --warning-bg: #fff4e0;
  --row-hover: #f0f4f9;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --card-bg: #1e2126;
    --text: #e7e9ec;
    --muted: #9aa2ac;
    --border: #33383f;
    --accent: #4da3ff;
    --accent-text: #0b1520;
    --danger: #ff6b6b;
    --warning: #ffcf8a;
    --warning-bg: #3a2c10;
    --row-hover: #262b32;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

header h1 { font-size: 1.15rem; margin: 0; }

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
}

.card h2 { margin-top: 0; font-size: 1rem; }

.hint { color: var(--muted); font-size: 0.85rem; }
.hint-inline { font-weight: normal; color: var(--muted); }

form#connectForm {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem 1.2rem;
}

form#connectForm label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.85rem;
  color: var(--muted);
}

form#connectForm input {
  padding: 0.5rem 0.6rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.9rem;
}

button {
  padding: 0.5rem 1rem;
  border-radius: 6px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-text);
  font-size: 0.85rem;
  cursor: pointer;
}

button.secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

button:disabled { opacity: 0.5; cursor: default; }

#connectForm button[type="submit"] {
  grid-column: span 2;
  justify-self: start;
  margin-top: 0.3rem;
}

.status { min-height: 1.2em; font-size: 0.85rem; }
.status.error { color: var(--danger); }
.status.ok { color: var(--muted); }

.toolbar { display: flex; gap: 0.6rem; margin-bottom: 1rem; flex-wrap: wrap; }
.toolbar button:last-child { margin-left: auto; }

.ds-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 360px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.ds-list li {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.ds-list li:last-child { border-bottom: none; }
.ds-list li:hover { background: var(--row-hover); }
.ds-list li.duplicate .ds-name { color: var(--danger); font-weight: 600; }
.ds-list .ds-path { color: var(--muted); font-size: 0.8rem; }

.dup-swatch {
  display: inline-block;
  width: 0.7em;
  height: 0.7em;
  border-radius: 50%;
  background: var(--danger);
  margin-right: 0.3em;
}

.ds-result {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.1rem 1.4rem;
  background: var(--card-bg);
  margin-bottom: 1.25rem;
}
.ds-result h3 { margin: 0 0 0.4rem; }
.ds-result .meta { font-size: 0.85rem; color: var(--muted); margin: 0.2rem 0; }
.ds-result .warning {
  background: var(--warning-bg);
  color: var(--warning);
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  font-size: 0.82rem;
  margin: 0.6rem 0;
}

table.fields-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.75rem;
  font-size: 0.85rem;
}
table.fields-table th, table.fields-table td {
  text-align: left;
  padding: 0.4rem 0.6rem;
  border-bottom: 1px solid var(--border);
}
table.fields-table tr.never_used td.status-cell { color: var(--danger); }
table.fields-table tr.unverified td.status-cell { color: var(--warning); }

.export-btn { margin-top: 0.75rem; }

@media (max-width: 640px) {
  form#connectForm { grid-template-columns: 1fr; }
  #connectForm button[type="submit"] { grid-column: span 1; }
}