:root {
  --bg: #0f1115;
  --surface: #1a1d24;
  --surface-alt: #22262f;
  --border: #2c313c;
  --text: #eef0f4;
  --text-dim: #9aa1ad;
  --accent: #e0a527;
  --accent-hover: #f0b73a;
  --danger: #e0524a;
  --danger-hover: #ef655c;
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding-inline: 1.25rem;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

a { color: var(--accent); }

header.hero {
  text-align: center;
  padding: 3.5rem 1rem 2rem;
}

header.hero .logo {
  display: block;
  margin: 0 auto 1rem;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  box-shadow: 0 0 0 1px var(--border);
}

header.hero h1 {
  font-size: clamp(2rem, 6vw, 3.25rem);
  margin: 0;
  letter-spacing: -0.02em;
}

header.hero h1 span {
  color: var(--accent);
}

.subtitle {
  color: var(--text-dim);
  margin-top: 0.5rem;
}

main {
  max-width: 640px;
  margin: 0 auto;
  padding-bottom: 3rem;
}

.fact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  margin-bottom: 2.5rem;
}

.fact-card p {
  font-size: 1.25rem;
  min-height: 4.5em;
  display: flex;
  align-items: center;
  justify-content: center;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  border-radius: 10px;
  padding: 0.7rem 1.4rem;
  background: var(--accent);
  color: #1a1305;
  font-weight: 600;
  transition: background 0.15s ease;
}

button:hover { background: var(--accent-hover); }

.all-facts h2 {
  font-size: 1.1rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.all-facts ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.all-facts li {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.25rem;
}

footer {
  text-align: center;
  padding: 2rem 0 3rem;
  color: var(--text-dim);
  font-size: 0.85rem;
}

.footer-sep {
  margin: 0 0.5rem;
}

.empty-state {
  color: var(--text-dim);
  font-size: 0.95rem;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.auth-page {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem;
  width: 100%;
  max-width: 360px;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.auth-card h1 {
  margin: 0 0 0.25rem;
  font-size: 1.4rem;
  text-align: center;
}

.auth-card label {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.auth-card input {
  font: inherit;
  padding: 0.65rem 0.8rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

.auth-card .error {
  color: var(--danger);
  font-size: 0.9rem;
  margin: 0;
}

.back-link {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-dim);
  text-decoration: none;
  margin-top: 0.5rem;
}

.admin-page {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem 0 4rem;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.logout-btn {
  background: var(--surface-alt);
  color: var(--text);
  border: 1px solid var(--border);
}

.logout-btn:hover { background: var(--border); }

.add-form {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 2rem;
  align-items: flex-start;
}

.add-form textarea,
.edit-form textarea {
  width: 100%;
  min-height: 3rem;
  font: inherit;
  padding: 0.65rem 0.8rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  resize: vertical;
}

.fact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.fact-list li {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.edit-form {
  flex: 1;
  display: flex;
  gap: 0.5rem;
}

.row-actions {
  display: flex;
  align-items: flex-start;
}

.delete-btn {
  background: var(--danger);
  color: #2a0a08;
}

.delete-btn:hover { background: var(--danger-hover); }

@media (max-width: 480px) {
  .fact-list li { flex-direction: column; }
  .edit-form { flex-direction: column; }
}