/*
Theme Name: Latte River
Theme URI: https://latteriver.com
Author: Latte River
Description: あたたかみのあるサードプレースをイメージした、Latte River のためのオリジナルブログテーマ。白ベースの背景とディープブラウンの文字、ロースト・アンバーのアクセントで、静かで上質な読み心地をつくります。
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: latteriver
*/

/* ==========================================================================
   0. Design tokens
   ========================================================================== */
:root {
  /* Color — espresso & latte, warmer and lighter than a near-black brown */
  --color-bg: #ffffff;
  --color-bg-warm: #fbf5ec;
  --color-bg-warm-deep: #f4e9da;
  --color-text: #6b4423;
  --color-text-muted: #8c6f56;
  --color-text-faint: #b6a08a;
  --color-accent: #c17f3e;
  --color-accent-deep: #96602c;
  --color-line: #efe3d3;
  --color-line-strong: #e2d0b8;

  /* Type */
  --font-display: "Fraunces", "Hiragino Mincho ProN", serif;
  --font-body: "Inter", "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;

  /* Scale — kept modest so headings never overwhelm on mobile */
  --size-9xl: clamp(2rem, 1.6rem + 1.8vw, 3rem);
  --size-6xl: clamp(1.625rem, 1.4rem + 1vw, 2.125rem);
  --size-4xl: clamp(1.3rem, 1.15rem + 0.6vw, 1.5rem);
  --size-2xl: 1.2rem;
  --size-xl: 1.1rem;
  --size-base: 1rem;
  --size-sm: 0.875rem;
  --size-xs: 0.75rem;

  /* Layout */
  --content-width: 720px;
  --wide-width: 1120px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius: 16px;
}

/* ==========================================================================
   1. Reset & base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--size-base);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent-deep); text-decoration-color: var(--color-line-strong); text-underline-offset: 3px; }
a:hover { color: var(--color-accent); }
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-text);
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

p { margin: 0 0 1.4em; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-mono);
  font-size: var(--size-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-deep);
}

/* ---- signature motif: the cup-ring divider ------------------------------
   A small hollow ring, echoing the mark a warm cup leaves on a table.
   Used consistently as a divider / bullet across the theme, and nowhere
   else — the one recurring decorative signature. */
.ring {
  display: inline-block;
  width: 0.5em;
  height: 0.5em;
  border: 1.5px solid var(--color-accent);
  border-radius: 50%;
  flex: none;
}

.ring-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 3rem 0;
  color: var(--color-line-strong);
}
.ring-divider::before,
.ring-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--color-line);
}

/* ==========================================================================
   2. Layout
   ========================================================================== */
.wrap { max-width: var(--wide-width); margin: 0 auto; padding: 0 var(--gutter); }
.wrap--narrow { max-width: var(--content-width); }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-text);
  color: #fff;
  padding: 0.75em 1.25em;
  z-index: 999;
}
.skip-link:focus { left: var(--gutter); top: var(--gutter); }

/* ---- Site header ---- */
.site-header {
  border-bottom: none;
  box-shadow: 0 8px 24px -20px rgba(107, 68, 35, 0.35);
  padding: 1.75rem 0;
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.site-branding { display: flex; align-items: baseline; gap: 0.6rem; }
.site-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.01em;
}
.site-title a { color: var(--color-text); text-decoration: none; }
.site-description {
  font-family: var(--font-mono);
  font-size: var(--size-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.04em;
}

.primary-nav ul {
  list-style: none;
  display: flex;
  gap: 1.75rem;
  margin: 0;
  padding: 0;
}
.primary-nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--size-sm);
  letter-spacing: 0.02em;
}
.primary-nav a:hover,
.primary-nav .current-menu-item > a { color: var(--color-accent-deep); }

.menu-toggle {
  display: none;
  background: var(--color-bg-warm);
  border: 1px solid var(--color-line-strong);
  border-radius: 999px;
  padding: 0.55rem 1.1rem;
  font-family: var(--font-mono);
  font-size: var(--size-xs);
  color: var(--color-text);
  cursor: pointer;
}

@media (max-width: 720px) {
  .menu-toggle { display: inline-flex; }
  .primary-nav { width: 100%; display: none; }
  .primary-nav.is-open { display: block; }
  .primary-nav ul { flex-direction: column; gap: 0.9rem; padding-top: 1rem; }
}

/* ---- Hero (front page) ---- */
.hero {
  position: relative;
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(2.5rem, 6vw, 4rem);
  overflow: hidden;
}
.hero::before {
  /* a single soft steam-like bloom, restrained, low-opacity */
  content: "";
  position: absolute;
  top: -20%;
  right: -10%;
  width: 46vw;
  height: 46vw;
  max-width: 620px;
  max-height: 620px;
  background: radial-gradient(circle, rgba(166, 103, 44, 0.10) 0%, rgba(166, 103, 44, 0) 70%);
  pointer-events: none;
}
.hero__inner { position: relative; max-width: 760px; }
.hero__title {
  font-size: var(--size-9xl);
  margin-bottom: 0.35em;
}
.hero__lede {
  font-size: var(--size-xl);
  color: var(--color-text-muted);
  max-width: 46ch;
  margin: 0;
}

/* ---- signature motif: a gentle river-wave divider, used instead of a
   hard straight rule wherever a section break would otherwise feel
   too sharp for the "warm third place" mood. ---- */
.river-divider {
  display: block;
  width: 100%;
  height: auto;
  margin: 0;
  line-height: 0;
}
.river-divider path { fill: var(--color-bg-warm); }

/* ---- Categories nav (pill style, under header) ---- */
.categories-nav {
  border-bottom: 1px solid var(--color-line);
  background: var(--color-bg-warm);
}
.categories-nav ul {
  list-style: none;
  display: flex;
  gap: 0.6rem;
  margin: 0;
  padding: 0.9rem 0;
  overflow-x: auto;
}
.categories-nav a {
  display: inline-block;
  white-space: nowrap;
  padding: 0.35em 1em;
  border: 1px solid var(--color-line-strong);
  border-radius: 999px;
  font-size: var(--size-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  background: var(--color-bg);
}
.categories-nav a:hover,
.categories-nav .current-menu-item > a {
  border-color: var(--color-accent);
  color: var(--color-accent-deep);
}

/* ---- Two-column content + sidebar layout (archive/search/index) ---- */
.content-with-sidebar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 3.5rem;
  align-items: start;
}
.content-with-sidebar__main { min-width: 0; }
.site-sidebar { position: sticky; top: 2rem; }

@media (max-width: 880px) {
  .content-with-sidebar { grid-template-columns: 1fr; }
  .site-sidebar { position: static; }
}

/* ---- Footer widgets ---- */
.footer-widgets {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  padding: 3rem 0 0.5rem;
  border-top: 1px solid var(--color-line);
}
.footer-widgets .widget-title { margin-bottom: 0.8em; }
@media (max-width: 720px) {
  .footer-widgets { grid-template-columns: 1fr; gap: 2rem; }
}

/* ---- Block pattern helpers (recommend box / editor's note) ---- */
.has-lr-cream-background-color { background-color: var(--color-bg-warm); }
.lr-recommend-box { border: 1px solid var(--color-line); }
.lr-eyebrow-block {
  font-family: var(--font-mono);
  font-size: var(--size-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-deep);
  margin-bottom: 0.4em !important;
}
.lr-recommend-btn .wp-block-button__link {
  background: var(--color-text);
  border-radius: var(--radius);
}
.lr-recommend-btn .wp-block-button__link:hover { background: var(--color-accent-deep); }
.lr-editors-note {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--color-text-muted);
  border-left: 2px solid var(--color-accent);
  padding-left: 1.25em;
}

/* ---- Post grid / lists ---- */
.post-list { display: flex; flex-direction: column; }
.post-card {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 2rem;
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--color-line);
  align-items: start;
}
.post-card:first-child { padding-top: 0; }
.post-card__thumb {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--color-bg-warm);
}
.post-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.post-card__meta {
  font-family: var(--font-mono);
  font-size: var(--size-xs);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.6em;
}
.post-card__title {
  font-size: var(--size-4xl);
  margin-bottom: 0.4em;
}
.post-card__title a { color: var(--color-text); text-decoration: none; }
.post-card__title a:hover { color: var(--color-accent-deep); }
.post-card__excerpt { color: var(--color-text-muted); margin-bottom: 0; }

@media (max-width: 640px) {
  .post-card { grid-template-columns: 1fr; }
}

/* ---- Featured (first) post on front page ---- */
.featured-post {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
  align-items: center;
  padding-bottom: 3rem;
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--color-line-strong);
}
.featured-post__thumb {
  aspect-ratio: 5 / 4;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--color-bg-warm);
}
.featured-post__thumb img { width: 100%; height: 100%; object-fit: cover; }
.featured-post__title { font-size: var(--size-6xl); }
.featured-post__title a { color: var(--color-text); text-decoration: none; }
.featured-post__title a:hover { color: var(--color-accent-deep); }
.featured-post__excerpt { color: var(--color-text-muted); font-size: var(--size-xl); }

@media (max-width: 800px) {
  .featured-post { grid-template-columns: 1fr; gap: 1.5rem; }
}

/* ---- Single post ---- */
.entry-header { max-width: var(--content-width); margin: clamp(2rem, 6vw, 4rem) auto 2rem; }
.entry-title { font-size: var(--size-9xl); }
.entry-thumb {
  max-width: var(--wide-width);
  margin: 0 auto 3rem;
  padding: 0 var(--gutter);
}
.entry-thumb img { border-radius: var(--radius); width: 100%; }

.entry-content { max-width: var(--content-width); margin: 0 auto; }
.entry-content h2 { font-size: var(--size-4xl); margin-top: 2em; }
.entry-content h3 { font-size: var(--size-2xl); margin-top: 1.8em; }
.entry-content blockquote {
  margin: 2em 0;
  padding: 0.25em 0 0.25em 1.5em;
  border-left: 2px solid var(--color-accent);
  font-family: var(--font-display);
  font-size: var(--size-2xl);
  color: var(--color-text-muted);
  font-style: italic;
}
.entry-content pre {
  background: var(--color-bg-warm);
  padding: 1.25em;
  border-radius: var(--radius);
  overflow-x: auto;
  font-size: var(--size-sm);
}
.entry-content code {
  background: var(--color-bg-warm);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
}
.entry-content ul, .entry-content ol { padding-left: 1.4em; }
.entry-content figure { margin: 2em 0; }
.entry-content figcaption {
  font-family: var(--font-mono);
  font-size: var(--size-xs);
  color: var(--color-text-faint);
  margin-top: 0.6em;
}

.entry-footer {
  max-width: var(--content-width);
  margin: 3rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-line);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: var(--size-xs);
  color: var(--color-text-faint);
}
.entry-footer a { color: var(--color-text-muted); }

.author-box {
  max-width: var(--content-width);
  margin: 3rem auto 0;
  padding: 1.75rem;
  background: var(--color-bg-warm);
  border-radius: var(--radius);
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}
.author-box img { border-radius: 50%; width: 56px; height: 56px; flex: none; }
.author-box__name { font-family: var(--font-display); font-weight: 600; margin-bottom: 0.2em; }
.author-box__bio { color: var(--color-text-muted); font-size: var(--size-sm); margin: 0; }

/* ---- Pagination ---- */
.pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--wide-width);
  margin: 3rem auto 0;
  padding: 2rem var(--gutter) 0;
  border-top: 1px solid var(--color-line);
  font-family: var(--font-mono);
  font-size: var(--size-sm);
}
.pagination a { text-decoration: none; }
.pagination .page-numbers.current { color: var(--color-accent-deep); }

/* ---- Comments ---- */
.comments-area { max-width: var(--content-width); margin: 3rem auto 0; }
.comment-list { list-style: none; margin: 0; padding: 0; }
.comment-body { padding: 1.5rem 0; border-bottom: 1px solid var(--color-line); }
.comment-author { font-weight: 600; font-size: var(--size-sm); }
.comment-metadata { font-family: var(--font-mono); font-size: var(--size-xs); color: var(--color-text-faint); }
.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
  width: 100%;
  padding: 0.75em 1em;
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: var(--size-base);
  background: var(--color-bg);
  color: var(--color-text);
  margin-bottom: 1em;
}
.comment-form textarea { min-height: 140px; }

/* ---- Buttons / form submit ---- */
.btn,
input[type="submit"],
button[type="submit"] {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  background: var(--color-text);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 0.75em 1.5em;
  font-family: var(--font-body);
  font-size: var(--size-sm);
  cursor: pointer;
  transition: background 0.15s ease;
}
.btn:hover, input[type="submit"]:hover, button[type="submit"]:hover { background: var(--color-accent-deep); }

/* ---- Sidebar / widgets ---- */
.widget { margin-bottom: 2.5rem; }
.widget-title {
  font-family: var(--font-mono);
  font-size: var(--size-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  margin-bottom: 1em;
}
.widget ul { list-style: none; margin: 0; padding: 0; }
.widget li { padding: 0.5em 0; border-bottom: 1px solid var(--color-line); font-size: var(--size-sm); }

/* ---- Site footer ---- */
.site-footer {
  margin-top: 5rem;
  border-top: 1px solid var(--color-line);
  padding: 2.5rem 0;
}
.site-footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.site-footer__note {
  font-family: var(--font-mono);
  font-size: var(--size-xs);
  color: var(--color-text-faint);
}
.site-footer nav ul { list-style: none; display: flex; gap: 1.5rem; margin: 0; padding: 0; }
.site-footer nav a { color: var(--color-text-muted); font-size: var(--size-sm); text-decoration: none; }

/* ---- Search ---- */
.search-form { display: flex; gap: 0.5rem; }
.search-form input[type="search"] {
  flex: 1;
  padding: 0.75em 1em;
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius);
  font-family: var(--font-body);
}

/* ---- Affiliate link & disclosure box (Latte River Affiliate Manager plugin) ----
   The plugin ships minimal inline fallback styles so it still looks acceptable
   on any theme; these theme-level rules take over the visual language here. */
.lr-disclosure {
  display: flex;
  align-items: center;
  gap: 0.6em;
  background: var(--color-bg-warm);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 0.9em 1.2em;
  font-size: var(--size-sm);
  color: var(--color-text-muted);
  margin: 0 0 2em;
}
.lr-aff-link {
  font-weight: 600;
  color: var(--color-accent-deep);
  text-decoration-color: var(--color-line-strong);
}
.lr-aff-badge {
  font-family: var(--font-mono);
  font-size: 0.65em;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: 3px;
  padding: 0.05em 0.35em;
  margin-left: 0.4em;
  vertical-align: middle;
}

/* ---- Misc WP core classes ---- */
.alignwide { max-width: var(--wide-width); margin-left: auto; margin-right: auto; }
.alignfull { max-width: 100%; }
.aligncenter { margin-left: auto; margin-right: auto; }
.wp-caption-text { font-family: var(--font-mono); font-size: var(--size-xs); color: var(--color-text-faint); }
.screen-reader-text {
  position: absolute !important;
  clip: rect(1px, 1px, 1px, 1px);
  overflow: hidden;
  height: 1px; width: 1px;
}