.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: var(--ink);
  color: var(--paper);
  font-size: .92rem;
  font-weight: 550;
  text-decoration: none;
  line-height: 1.2;
  transition: transform .15s var(--ease), background .15s var(--ease), border-color .15s var(--ease), color .15s var(--ease), box-shadow .15s var(--ease);
}
.btn svg { width: 16px; height: 16px; }
.btn:hover { background: var(--accent-strong); color: #fff; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
[data-theme="dark"] .btn:hover { color: var(--accent-ink); }

.btn--accent { background: var(--accent); color: var(--accent-ink); }
.btn--accent:hover { background: var(--accent-strong); color: var(--accent-ink); }
.btn--ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--ink-soft);
}
.btn--ghost:hover { background: var(--surface-2); color: var(--ink); border-color: var(--ink-mute); }
.btn--quiet { background: transparent; color: var(--ink-soft); padding-inline: 10px; }
.btn--quiet:hover { background: var(--surface-2); color: var(--ink); }
.btn--small { padding: 6px 12px; font-size: .82rem; }
.btn--block { width: 100%; }
.btn[disabled], .btn[aria-disabled="true"] {
  opacity: .55;
  cursor: not-allowed;
  transform: none;
}

.field { display: grid; gap: 6px; margin-bottom: var(--space-4); }
.field:last-child { margin-bottom: 0; }
.field > label, .field > .label {
  font-size: .83rem;
  font-weight: 600;
  color: var(--ink-soft);
  letter-spacing: .01em;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.field .hint { font-size: .78rem; color: var(--ink-mute); font-weight: 400; }
.field .required { color: var(--warm); font-weight: 600; }

.input, .select, .textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  font-size: .92rem;
  transition: border-color .15s var(--ease), box-shadow .15s var(--ease);
  min-height: 42px;
}
.input:hover, .select:hover, .textarea:hover { border-color: var(--ink-mute); }
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}
.textarea { resize: vertical; min-height: 92px; line-height: 1.55; }
.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23595959' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 34px;
}
[data-theme="dark"] .select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238b968f' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
}
.code-input {
  font-family: var(--font-mono);
  font-size: .82rem;
  line-height: 1.65;
  tab-size: 2;
  white-space: pre;
  overflow-wrap: normal;
  overflow-x: auto;
}
.input--color {
  padding: 3px;
  height: 42px;
  min-height: 42px;
  background: var(--surface);
  cursor: pointer;
}

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 7px 0;
  font-size: .88rem;
  color: var(--ink-soft);
  cursor: pointer;
}
.checkbox-row input[type="checkbox"] {
  width: 17px; height: 17px;
  margin: 2px 0 0;
  accent-color: var(--accent);
  flex-shrink: 0;
}
.checkbox-row span { line-height: 1.4; }

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
  height: 30px;
}

.field-row { display: grid; gap: var(--space-4); grid-template-columns: 1fr 1fr; }
@media (max-width: 560px) { .field-row { grid-template-columns: 1fr; } }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  background: var(--surface-2);
  color: var(--ink-mute);
  border: 1px solid var(--line);
  white-space: nowrap;
}
.badge svg { width: 12px; height: 12px; }
.badge--accent { background: var(--accent-soft); color: var(--accent-strong); border-color: transparent; }
.badge--warm { background: var(--warm-soft); color: var(--warm); border-color: transparent; }
.badge--ok { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.badge--warn { background: var(--warning-soft); color: var(--warning); border-color: transparent; }

.alert {
  display: flex;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--surface);
  font-size: .9rem;
  color: var(--ink-soft);
  margin-bottom: var(--space-4);
}
.alert svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 2px; }
.alert strong { color: var(--ink); }
.alert--ok { background: var(--ok-soft); border-color: color-mix(in srgb, var(--ok) 30%, transparent); }
.alert--warn { background: var(--warning-soft); border-color: color-mix(in srgb, var(--warning) 30%, transparent); }
.alert--error { background: var(--danger-soft); border-color: color-mix(in srgb, var(--danger) 30%, transparent); }
.alert--info { background: var(--accent-soft); border-color: color-mix(in srgb, var(--accent) 25%, transparent); }

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: .8rem;
  color: var(--ink-mute);
  margin-bottom: var(--space-4);
  padding: 0;
  list-style: none;
}
.breadcrumbs li { display: inline-flex; align-items: center; gap: 6px; margin: 0; }
.breadcrumbs a { color: var(--ink-mute); text-decoration: none; }
.breadcrumbs a:hover { color: var(--accent); text-decoration: underline; }
.breadcrumbs li + li::before { content: "/"; color: var(--line-strong); }
.breadcrumbs [aria-current="page"] { color: var(--ink-soft); }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .86rem;
  background: var(--surface);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.data-table th, .data-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.data-table th {
  background: var(--surface-2);
  font-size: .74rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--ink-mute);
  font-weight: 600;
}
.data-table tr:last-child td { border-bottom: 0; }
.data-table td.mono, .data-table td code { font-family: var(--font-mono); font-size: .8rem; word-break: break-word; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-sm); }

details.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 2px 0;
}
details.faq-item summary {
  cursor: pointer;
  padding: 14px 30px 14px 0;
  position: relative;
  font-weight: 550;
  color: var(--ink);
  list-style: none;
  font-size: .97rem;
}
details.faq-item summary::-webkit-details-marker { display: none; }
details.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  color: var(--ink-mute);
  font-size: 1.1rem;
  transition: transform .18s var(--ease);
}
details.faq-item[open] summary::after { content: "−"; }
details.faq-item .faq-answer {
  padding: 0 0 16px;
  color: var(--ink-soft);
  font-size: .93rem;
  max-width: 78ch;
}

.note {
  font-size: .82rem;
  color: var(--ink-mute);
  display: flex;
  gap: 8px;
  align-items: flex-start;
  margin-top: var(--space-3);
}
.note svg { width: 15px; height: 15px; flex-shrink: 0; margin-top: 3px; }

.pagination { display: flex; gap: 6px; justify-content: center; margin-top: var(--space-6); }