:root { color-scheme: light dark; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.5;
  margin: 0;
}

main {
  max-width: 640px;
  margin: 1rem auto;
  padding: 0 1rem;
}

h1 { margin-bottom: 0.25rem; }

.count {
  color: #666;
  margin-bottom: 1.5rem;
}

.sign-form {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.5rem;
  max-width: 320px;
}

.sign-form label {
  display: grid;
  gap: 0.25rem;
  font-size: 0.9rem;
  color: #444;
}

.sign-form input {
  padding: 0.5rem 0.65rem;
  font-size: 1rem;
  border: 1px solid #bbb;
  border-radius: 4px;
}

.btn {
  display: inline-block;
  background: #1877f2;
  color: white;
  text-decoration: none;
  padding: 0.75rem 1.25rem;
  font-size: 1rem;
  border: 0;
  border-radius: 6px;
  cursor: pointer;
  justify-self: start;
}

.btn:hover { background: #166fe0; }

.status {
  margin-top: 1rem;
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  min-height: 1.5em;
}

.status.ok  { background: #e6f4ea; color: #167c3c; }
.status.err { background: #fde7ea; color: #b00020; }

.rev-link {
  font-size: 0.75rem;
  color: #888;
  text-decoration: none;
  margin-left: 0.25rem;
}

.rev-link:hover { color: #555; }

.petition-body ul {
  padding-left: 1.2rem;
  margin: 0.75rem 0;
}

.petition-body li {
  margin-bottom: 0.35rem;
}

.signers {
  margin-top: 2.5rem;
  border-top: 1px solid #e2e2e2;
  padding-top: 1.25rem;
  display: none;
}

html[data-signed] .signers { display: block; }

html[data-signed] .petition-body,
html[data-signed] .sign-form { display: none; }

.signers h2 {
  font-size: 1.1rem;
  margin: 0 0 0.75rem;
}

.signers-list {
  list-style: decimal inside;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.35rem;
}

.signers-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.4rem 0;
  border-bottom: 1px solid #f0f0f0;
  font-size: 0.95rem;
}

.signer-left {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  min-width: 0;
}

.signer-time {
  color: #888;
  font-size: 0.8rem;
  white-space: nowrap;
}

.reason-link {
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  font-size: 0.8rem;
  color: #1877f2;
  text-decoration: underline;
  cursor: pointer;
}

.reason-link:hover { color: #166fe0; }

.reason-dialog {
  width: min(480px, calc(100vw - 2rem));
  max-width: 100%;
  box-sizing: border-box;
  border: 1px solid #ccc;
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
}

.reason-dialog::backdrop {
  background: rgba(0, 0, 0, 0.4);
}

.reason-dialog h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  overflow-wrap: anywhere;
}

.reason-dialog p {
  margin: 0 0 1rem;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  line-height: 1.4;
}

.reason-form {
  display: grid;
  gap: 0.5rem;
  margin-top: 1rem;
  max-width: 480px;
}

.reason-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.9rem;
  color: #444;
}

.reason-form .hint {
  color: #888;
  font-weight: normal;
}

.reason-form textarea {
  padding: 0.5rem 0.65rem;
  font-size: 0.95rem;
  border: 1px solid #bbb;
  border-radius: 4px;
  resize: vertical;
  font-family: inherit;
}

.reason-counter {
  font-size: 0.8rem;
  color: #888;
  text-align: right;
}

.reason-counter.low { color: #b00020; }