*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-family: ui-serif, Georgia, 'Times New Roman', Times, serif;
  background: #ffffff;
  color: #1a1a1a;
  line-height: 1.6;
}

textarea {
  font-family: ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, Consolas, monospace;
  font-size: .875rem;
  background: #f9fafb;
  color: #1a1a1a;
  border: 1px solid #d1d5db;
  border-radius: 4px;
  padding: .75rem 1rem;
  resize: vertical;
  width: 100%;
  line-height: 1.6;
}
textarea:focus { outline: 1px solid #2563eb; border-color: #2563eb; }
textarea::placeholder { color: #9ca3af; }

button[type="submit"] {
  background: #f3f4f6;
  border: 1px solid #d1d5db;
  color: #374151;
  border-radius: 4px;
  padding: .375rem 1.125rem;
  font-size: .8125rem;
  font-family: ui-monospace, monospace;
  cursor: pointer;
  letter-spacing: .02em;
}
button[type="submit"]:hover { background: #e5e7eb; color: #111827; border-color: #9ca3af; }
button[type="submit"]:disabled { opacity: .4; cursor: not-allowed; }

/* ── Layout ── */

.wrap { max-width: 660px; margin: 0 auto; padding: 3rem 1.5rem 5rem; }

/* ── Header ── */

.site-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid #e5e7eb;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-header h1 {
  font-size: .875rem;
  font-weight: 400;
  color: #9ca3af;
  letter-spacing: .12em;
  text-transform: lowercase;
  font-family: ui-monospace, monospace;
}

/* ── Auth header actions ── */

.header-nav { display: flex; gap: .75rem; align-items: center; }

.auth-link {
  font-size: .75rem;
  font-family: ui-monospace, monospace;
  color: #9ca3af;
  text-decoration: none;
  letter-spacing: .04em;
}
.auth-link:hover { color: #374151; }

.logout-btn {
  font-size: .75rem;
  font-family: ui-monospace, monospace;
  color: #9ca3af;
  background: none;
  border: none;
  cursor: pointer;
  letter-spacing: .04em;
  padding: 0;
}
.logout-btn:hover { color: #374151; }

/* ── Compose form ── */

.compose { margin-bottom: 2.75rem; }
.compose textarea { margin-bottom: .5rem; min-height: 96px; }
.compose-row { display: flex; justify-content: space-between; align-items: center; }
.hint { font-size: .6875rem; color: #9ca3af; font-family: ui-monospace, monospace; letter-spacing: .04em; }
.error-msg { font-size: .8125rem; color: #dc2626; margin-top: .375rem; margin-bottom: .375rem; }

/* ── Feed ── */

.feed { display: flex; flex-direction: column; }

.post { padding: 1.375rem 0; border-top: 1px solid transparent; }
.feed > .post:first-child { border-top: 1px solid #e5e7eb; }
.post + .post { border-top: 1px solid #e5e7eb; }
.post:last-child { border-bottom: 1px solid #e5e7eb; }

.post-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: .625rem;
}

.post-meta {
  font-size: .6875rem;
  color: #9ca3af;
  font-family: ui-monospace, monospace;
  letter-spacing: .04em;
}

.delete-btn {
  font-size: .6875rem;
  font-family: ui-monospace, monospace;
  color: #d1d5db;
  background: none;
  border: none;
  cursor: pointer;
  letter-spacing: .04em;
  padding: 0;
  line-height: 1;
}
.delete-btn:hover { color: #dc2626; }

/* ── Prose (rendered markdown) ── */

.prose { font-size: .9375rem; }
.prose p { margin-bottom: .75rem; color: #1a1a1a; line-height: 1.8; }
.prose p:last-child { margin-bottom: 0; }

.prose h1 { font-size: 1.25rem; color: #111827; margin: 1.25rem 0 .5rem; font-weight: 600; }
.prose h2 { font-size: 1.0625rem; color: #111827; margin: 1.125rem 0 .375rem; font-weight: 600; }
.prose h3 { font-size: .9375rem; color: #1f2937; margin: 1rem 0 .25rem; font-weight: 600; }
.prose h1:first-child,
.prose h2:first-child,
.prose h3:first-child { margin-top: 0; }

.prose strong { color: #111827; font-weight: 600; }
.prose em { font-style: italic; }
.prose del { color: #9ca3af; }

.prose a { color: #2563eb; }
.prose a:hover { color: #1d4ed8; text-decoration: underline; }

.prose code {
  font-family: ui-monospace, monospace;
  font-size: .8125rem;
  background: #f3f4f6;
  color: #1f2937;
  padding: .1em .35em;
  border-radius: 3px;
}

.prose pre {
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 4px;
  padding: .875rem 1rem;
  overflow-x: auto;
  margin-bottom: .75rem;
}
.prose pre code { background: none; padding: 0; color: #1f2937; font-size: .8125rem; }

.prose ul { padding-left: 1.5rem; margin-bottom: .75rem; list-style: disc; }
.prose ol { padding-left: 1.5rem; margin-bottom: .75rem; list-style: decimal; }
.prose li { margin-bottom: .25rem; line-height: 1.75; }

.prose blockquote {
  border-left: 2px solid #d1d5db;
  padding-left: .875rem;
  color: #6b7280;
  margin-bottom: .75rem;
  font-style: italic;
}

.prose hr { border: none; border-top: 1px solid #e5e7eb; margin: 1.25rem 0; }

.prose table { width: 100%; border-collapse: collapse; font-size: .875rem; margin-bottom: .75rem; }
.prose th,
.prose td { padding: .375rem .75rem; border: 1px solid #e5e7eb; text-align: left; }
.prose th { background: #f9fafb; color: #374151; }

.prose img { max-width: 100%; border-radius: 4px; }

/* ── Empty state ── */

.empty {
  color: #9ca3af;
  font-size: .875rem;
  padding: 2.5rem 0;
  text-align: center;
  font-style: italic;
  font-family: ui-monospace, monospace;
}

/* ── Auth pages ── */

.auth-box { max-width: 380px; }
.auth-box h2 { font-size: 1rem; font-weight: 600; margin-bottom: .625rem; }
.auth-box p { font-size: .875rem; color: #6b7280; margin-bottom: 1.25rem; line-height: 1.6; }

.btn {
  display: inline-block;
  background: #1a1a1a;
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: .5rem 1.25rem;
  font-size: .875rem;
  font-family: ui-monospace, monospace;
  cursor: pointer;
  letter-spacing: .02em;
}
.btn:hover { background: #374151; }
.btn:disabled { opacity: .4; cursor: not-allowed; }

.auth-sub {
  margin-top: 1rem;
  font-size: .8125rem;
  color: #9ca3af;
  font-family: ui-monospace, monospace;
}
.auth-sub a { color: #6b7280; }
.auth-sub a:hover { color: #1a1a1a; }