:root {
  --bg: #f3efe6;
  --ink: #1c1a16;
  --muted: #5c564c;
  --accent: #0f5c4c;
  --panel: #fffdf8;
  --line: #d9d0c0;
  --danger: #8b2e2e;
  --ok: #1f5b2f;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, #efe4cc 0%, transparent 40%),
    linear-gradient(180deg, #f7f2e8 0%, var(--bg) 100%);
  min-height: 100%;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0;
}

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

.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

header h1 {
  margin: 0;
  font-size: 1.6rem;
  letter-spacing: -0.02em;
}

nav a {
  margin-left: 1rem;
  font-weight: 600;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}

.flash {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}
.flash.ok { background: #e5f4e8; color: var(--ok); }
.flash.err { background: #f8e6e6; color: var(--danger); }

table {
  width: 100%;
  border-collapse: collapse;
}
th, td {
  text-align: left;
  padding: 0.6rem 0.4rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
th { color: var(--muted); font-weight: 600; font-size: 0.85rem; }

.muted { color: var(--muted); font-size: 0.9rem; }

.drawing {
  width: 100%;
  max-height: 420px;
  object-fit: contain;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin: 0.6rem 0 0.25rem;
}

input[type="text"],
input[type="file"],
select,
textarea {
  width: 100%;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
  background: #fff;
}

textarea { min-height: 70px; resize: vertical; }

.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

@media (max-width: 700px) {
  .row { grid-template-columns: 1fr; }
}

.actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}

button, .btn {
  appearance: none;
  border: 0;
  border-radius: 6px;
  padding: 0.55rem 0.9rem;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
button.secondary, .btn.secondary {
  background: #ece6da;
  color: var(--ink);
}
button.danger {
  background: var(--danger);
}

.qa-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.25rem;
}
.qa-header h3 {
  margin: 0;
}

.qa-block { margin-top: 1.25rem; }
.qa-block h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.qa-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.85rem;
  margin-bottom: 0.75rem;
  background: #fff;
}

.empty {
  padding: 1.5rem;
  text-align: center;
  color: var(--muted);
}

.qa-type-label-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0.6rem 0 0.25rem;
}
.qa-type-label-row label {
  margin: 0;
}
.help-toggle {
  width: 1.4rem;
  height: 1.4rem;
  padding: 0;
  border-radius: 999px;
  background: #ece6da;
  color: var(--ink);
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1;
}
.help-toggle[aria-expanded="true"] {
  background: var(--accent);
  color: #fff;
}
.qa-type-help {
  margin: 0 0 0.65rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f7f3ea;
  font-size: 0.9rem;
  color: var(--ink);
}
.qa-type-help dl {
  margin: 0;
}
.qa-type-help dt {
  font-weight: 700;
  margin-top: 0.65rem;
}
.qa-type-help dt:first-child {
  margin-top: 0;
}
.qa-type-help dd {
  margin: 0.25rem 0 0;
  color: var(--muted);
  line-height: 1.45;
}

fieldset.model-list {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.75rem 1rem 1rem;
  margin: 0.75rem 0;
}
fieldset.model-list legend {
  padding: 0 0.35rem;
  font-weight: 600;
  font-size: 0.85rem;
}
.model-option {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  margin: 0.65rem 0;
  font-weight: 400;
}
.model-option input {
  margin-top: 0.25rem;
}
.key-missing {
  color: var(--danger);
  font-size: 0.85rem;
  font-weight: 600;
}
input[type="number"] {
  width: 100%;
  max-width: 16rem;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
  background: #fff;
}
button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}
pre.log {
  margin: 0.75rem 0 0;
  padding: 0.75rem;
  max-height: 280px;
  overflow: auto;
  background: #1c1a16;
  color: #f3efe6;
  border-radius: 8px;
  font-size: 0.8rem;
  line-height: 1.4;
}