/* Arquivo Kilho: caderno quadriculado com detalhes em bordô */

:root {
  --paper: #f7f2ee;
  --paper-raised: #fffcfa;
  --grid: rgba(110, 30, 45, 0.06);
  --ink: #26191c;
  --ink-soft: #5e4f52;
  --ink-faint: #94878a;
  --rule: #e2d4d0;
  --accent: #7b1e30;
  --accent-ink: #ffffff;
  --accent-soft: #f2dde0;
  --danger: #c2410c;
  --danger-soft: #fde8dc;
  --ok-soft: #e0f0e3;
  --ok-ink: #1f5f2e;
  --shadow: 0 1px 0 rgba(29, 34, 48, 0.06), 0 8px 24px -12px rgba(29, 34, 48, 0.18);
  --radius: 10px;
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #181214;
    --paper-raised: #221a1c;
    --grid: rgba(230, 150, 165, 0.05);
    --ink: #f0e6e7;
    --ink-soft: #bfaeb1;
    --ink-faint: #85777a;
    --rule: #3a2c30;
    --accent: #e58b9c;
    --accent-ink: #2a0b12;
    --accent-soft: #42222a;
    --danger: #ff9d6e;
    --danger-soft: #3b2117;
    --ok-soft: #173222;
    --ok-ink: #9be0ae;
    --shadow: 0 1px 0 rgba(0, 0, 0, 0.3), 0 8px 24px -12px rgba(0, 0, 0, 0.6);
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
}

a {
  color: inherit;
}

.wrap {
  width: 100%;
  max-width: 780px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Cabeçalho */

.site-header {
  border-bottom: 1px solid var(--rule);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
}

.brand-mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.45rem;
  letter-spacing: -0.02em;
}

.brand-mark::after {
  content: '.';
  color: var(--accent);
}

.site-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px 18px;
  font-size: 0.92rem;
}

.site-nav a,
.site-nav button {
  color: var(--ink-soft);
  text-decoration: none;
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  cursor: pointer;
}

.site-nav a:hover,
.site-nav button:hover {
  color: var(--accent);
}

.site-nav form {
  margin: 0;
}

.site-nav .nav-cta {
  color: var(--accent);
  font-weight: 600;
}

/* Conteúdo */

main {
  flex: 1;
  padding: 48px 0 72px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin: 0 0 10px;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: 1.2;
  letter-spacing: -0.015em;
}

.page-title {
  font-size: clamp(2rem, 5vw, 2.9rem);
  margin: 0 0 12px;
}

.page-lead {
  color: var(--ink-soft);
  font-size: 1.08rem;
  margin: 0 0 36px;
  max-width: 60ch;
}

.meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
}

/* Lista de posts */

.post-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.card {
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.post-card {
  position: relative;
  padding: 22px 24px;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.post-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.post-card h2 {
  font-size: 1.4rem;
  margin: 6px 0 8px;
}

.post-card h2 a {
  text-decoration: none;
}

.post-card h2 a::after {
  content: '';
  position: absolute;
  inset: 0;
}

.post-card p {
  margin: 0;
  color: var(--ink-soft);
}

.post-card .tags {
  position: relative;
  z-index: 1;
  margin-top: 14px;
}

.empty {
  padding: 40px 24px;
  text-align: center;
  color: var(--ink-soft);
}

/* Categorias */

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--ink);
  text-decoration: none;
}

a.tag:hover {
  background: var(--accent);
  color: var(--accent-ink);
}

.category-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.category-card {
  position: relative;
  padding: 20px 22px;
  height: 100%;
}

.category-card h2 {
  font-size: 1.2rem;
  margin: 0 0 6px;
}

.category-card h2 a {
  text-decoration: none;
}

.category-card h2 a::after {
  content: '';
  position: absolute;
  inset: 0;
}

.category-card:hover {
  border-color: var(--accent);
}

.category-card p {
  margin: 0 0 12px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* Post individual */

.post-header {
  margin-bottom: 28px;
}

.post-header .tags {
  margin-top: 16px;
}

.prose {
  padding: 32px clamp(20px, 5vw, 44px);
}

.prose > :first-child {
  margin-top: 0;
}

.prose > :last-child {
  margin-bottom: 0;
}

.prose h2 {
  font-size: 1.45rem;
  margin: 1.8em 0 0.5em;
}

.prose h3 {
  font-size: 1.15rem;
  margin: 1.6em 0 0.4em;
}

.prose img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

.prose blockquote {
  margin: 1.4em 0;
  padding: 4px 0 4px 18px;
  border-left: 3px solid var(--accent);
  color: var(--ink-soft);
  font-style: italic;
}

.prose code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--accent-soft);
}

.prose li + li {
  margin-top: 4px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

/* Botões */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 8px;
  border: 1px solid var(--rule);
  background: var(--paper-raised);
  color: var(--ink);
  font: inherit;
  font-size: 0.92rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn:hover {
  border-color: var(--ink-soft);
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

.btn-primary:hover {
  filter: brightness(1.06);
  border-color: var(--accent);
}

.btn-danger {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
}

.btn-ghost-danger {
  color: var(--danger);
}

.btn-ghost-danger:hover {
  border-color: var(--danger);
}

/* Formulários */

.form-card {
  padding: 28px clamp(20px, 5vw, 36px);
}

.field {
  margin-bottom: 20px;
}

.field label {
  display: block;
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: 6px;
}

.field input[type='text'],
.field input[type='password'],
.field textarea,
.field select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-size: 0.98rem;
}

.field textarea {
  min-height: 140px;
  resize: vertical;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.55;
}

.field textarea.plain {
  font-family: var(--font-body);
  font-size: 0.98rem;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: transparent;
}

.field .help {
  font-size: 0.82rem;
  color: var(--ink-faint);
  margin-top: 6px;
}

.field .errorlist {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  color: var(--danger);
  font-size: 0.85rem;
}

.field .checks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.field .checks label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 400;
  margin: 0;
  padding: 6px 12px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  cursor: pointer;
}

.field .checks input {
  accent-color: var(--accent);
}

.form-errors {
  padding: 12px 16px;
  border-radius: 8px;
  background: var(--danger-soft);
  color: var(--danger);
  margin-bottom: 20px;
}

/* Remoção */

.confirm-card {
  padding: 32px clamp(20px, 5vw, 40px);
  border-top: 4px solid var(--danger);
}

.confirm-card h1 {
  font-size: 1.7rem;
  margin: 0 0 10px;
}

.confirm-card p {
  color: var(--ink-soft);
}

/* Comentários */

.comments {
  margin-top: 56px;
  scroll-margin-top: 90px;
}

.comments-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.comments-head h2 {
  font-size: 1.5rem;
  margin: 0;
}

.comment-list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.comment {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  padding: 18px 20px;
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
}

.comment-author {
  font-weight: 600;
}

.comment p {
  margin: 4px 0 0;
  white-space: pre-line;
}

.comment-form {
  padding: 22px 24px;
}

.comment-form .field {
  margin-bottom: 14px;
}

/* Mensagens */

.messages {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
}

.messages li {
  padding: 12px 16px;
  border-radius: 8px;
  background: var(--ok-soft);
  color: var(--ok-ink);
}

/* Rodapé */

.site-footer {
  border-top: 1px solid var(--rule);
  padding: 24px 0;
  font-size: 0.85rem;
  color: var(--ink-faint);
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

@media (max-width: 560px) {
  body {
    font-size: 16px;
  }

  main {
    padding-top: 32px;
  }

  .site-header {
    position: static;
  }

  .comments {
    scroll-margin-top: 16px;
  }

  .post-card {
    padding: 18px;
  }

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

  .avatar {
    display: none;
  }
}