:root {
  --fg: #111;
  --fg-muted: #666;
  --bg: #fafaf7;
  --rule: #111;
  --accent: #a33;
  --link: #1a4b8c;
  --table-head: #ececea;
  --table-rule: #888;
  --cell-rule: #c8c8c4;
}

* {
  box-sizing: border-box;
}

html,
body {
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  margin: 0;
  padding: 0;
}

.page {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 24px 48px;
}

.skip {
  position: absolute;
  left: -999px;
  top: 8px;
}

.skip:focus {
  left: 8px;
  background: #fff;
  padding: 4px 8px;
  border: 1px solid var(--rule);
}

h1 {
  font-size: 1.35rem;
  font-weight: 600;
  font-variant: small-caps;
  letter-spacing: 0.04em;
  margin: 0 0 1.25rem;
}

h2 {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 1.6rem 0 0.6rem;
  font-variant: small-caps;
  letter-spacing: 0.04em;
}

h3 {
  font-size: 0.9rem;
  font-weight: 600;
  margin: 1.2rem 0 0.4rem;
}

p {
  margin: 0 0 1rem;
}

a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover {
  text-decoration: none;
}

code,
.mono,
.num,
pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.num {
  font-variant-numeric: tabular-nums;
}

.muted {
  color: var(--fg-muted);
}

.accent,
.danger {
  color: var(--accent);
}

hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 1.8rem 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  border: 1px solid var(--table-rule);
  background: #fff;
  margin-bottom: 1.25rem;
}

thead th {
  text-align: left;
  font-weight: 600;
  font-size: 0.85rem;
  background: var(--table-head);
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--table-rule);
}

tbody td {
  padding: 0.4rem 0.6rem;
  vertical-align: top;
  border: 1px solid var(--cell-rule);
}

form {
  margin: 0 0 1.4rem;
}

label {
  display: block;
  font-weight: 600;
  margin: 0.95rem 0 0.25rem;
}

label.inline {
  display: inline;
  font-weight: 400;
  margin-right: 1rem;
}

input[type="text"],
input[type="password"],
input[type="number"],
input:not([type]),
textarea,
select {
  width: 100%;
  font: inherit;
  background: #fff;
  color: var(--fg);
  border: 1px solid var(--table-rule);
  padding: 0.35rem 0.45rem;
}

textarea {
  resize: vertical;
}

button,
input[type="submit"] {
  font: inherit;
  background: #fff;
  color: var(--fg);
  border: 1px solid var(--rule);
  padding: 0.28rem 0.65rem;
  margin: 0.75rem 0.5rem 0.25rem 0;
  cursor: pointer;
}

button:hover,
input[type="submit"]:hover {
  background: #f0f0ed;
}

button:disabled {
  color: var(--fg-muted);
  border-color: var(--cell-rule);
  cursor: not-allowed;
}

button.danger {
  color: var(--accent);
}

pre {
  white-space: pre-wrap;
  word-break: break-word;
  background: #fff;
  border: 1px solid var(--table-rule);
  padding: 0.65rem 0.75rem;
  margin: 0 0 1rem;
}

.kv {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 0.25rem 0.85rem;
  margin: 0 0 1rem;
}

.kv dt {
  color: var(--fg-muted);
}

.kv dd {
  margin: 0;
  word-break: break-word;
}

footer {
  margin-top: 2.5rem;
  color: var(--fg-muted);
  font-size: 0.85rem;
}

.bar {
  width: 100%;
  height: 8px;
  background: #fff;
  border: 1px solid var(--table-rule);
  margin: 0 0 1rem;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: var(--fg);
  transition: width 0.3s ease;
}

.status-line {
  color: var(--fg-muted);
  margin: 0 0 1rem;
}

summary.danger {
  color: var(--accent, #c0392b);
}

.share-row {
  display: flex;
  gap: 0.5rem;
  margin: 0 0 0.75rem;
  align-items: stretch;
}

.share-row .share-url {
  flex: 1;
  min-width: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9rem;
}

.share-row .copy-btn {
  flex: 0 0 auto;
}

@media (max-width: 540px) {
  .page {
    padding: 32px 18px;
  }

  .kv {
    grid-template-columns: 1fr;
  }
}