/*
Theme Name: AppleBear Journal
Theme URI: https://applebear.blog
Author: AppleBear
Description: Korean-first chronological editorial block theme.
Version: 1.0.0
Requires at least: 6.6
Requires PHP: 8.1
Text Domain: applebear-journal
*/

:root {
  --ab-ink: #171717;
  --ab-body: #4d4d4d;
  --ab-mute: #737373;
  --ab-hairline: #e5e5e5;
  --ab-canvas: #fafafa;
  --ab-surface: #ffffff;
  --ab-accent: #0761d1;
  --ab-focus: #0059c7;
  --ab-max: 1320px;
  --ab-reading: 720px;
  --ab-radius: 6px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--ab-canvas); color: var(--ab-ink); }
body, button, input, textarea, select { font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, sans-serif; }
img { height: auto; max-width: 100%; }
a { color: inherit; text-underline-offset: .2em; text-decoration-thickness: 1px; }
a:hover { color: var(--ab-accent); }
:focus-visible { outline: 3px solid var(--ab-accent); outline-offset: 3px; }

.ab-shell { margin-inline: auto; max-width: var(--ab-max); padding-inline: clamp(20px, 4vw, 56px); }
.ab-header { align-items: center; border-bottom: 1px solid var(--ab-hairline); display: flex; min-height: 68px; }
.ab-header__inner { align-items: center; display: grid; gap: 24px; grid-template-columns: minmax(0, 1fr) auto; width: 100%; }
.ab-header .wp-block-site-title { font-size: 1.125rem; font-weight: 600; letter-spacing: -.025em; margin: 0; white-space: nowrap; }
.ab-header .wp-block-navigation { font-size: .875rem; }
.ab-header .wp-block-navigation-item__content { min-height: 44px; align-items: center; display: inline-flex; }

.ab-masthead { padding-block: clamp(44px, 8vw, 96px); }
.ab-masthead__grid { align-items: end; display: grid; gap: clamp(28px, 5vw, 72px); grid-template-columns: minmax(0, .8fr) minmax(360px, 1.2fr); }
.ab-masthead__title { font-size: clamp(3.5rem, 9vw, 7.5rem); letter-spacing: -.055em; line-height: .95; margin: 0; }
.ab-masthead__tagline { color: var(--ab-body); margin: 20px 0 0; max-width: 32ch; }
.ab-masthead__media { aspect-ratio: 3 / 2; background: var(--ab-surface); overflow: hidden; }
.ab-masthead__media img { height: 100%; object-fit: cover; width: 100%; }

.ab-index { padding-block: clamp(40px, 7vw, 88px); }
.ab-index__heading { font-size: clamp(1.75rem, 3vw, 2.5rem); margin: 0 0 32px; }
.ab-post-list { list-style: none; margin: 0; padding: 0; }
.ab-post-row { border-top: 1px solid var(--ab-hairline); display: grid; gap: clamp(20px, 4vw, 56px); grid-template-columns: minmax(110px, .3fr) minmax(0, 1.35fr) minmax(180px, .55fr); padding-block: clamp(24px, 4vw, 44px); }
.ab-post-row:last-child { border-bottom: 1px solid var(--ab-hairline); }
.ab-post-row__meta { color: var(--ab-mute); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .75rem; line-height: 1.6; }
.ab-post-row__title { font-size: clamp(1.5rem, 3vw, 2.5rem); letter-spacing: -.035em; line-height: 1.12; margin: 0 0 14px; }
.ab-post-row__title a { text-decoration: none; }
.ab-post-row__excerpt { color: var(--ab-body); margin: 0; max-width: 58ch; }
.ab-post-row__image { aspect-ratio: 4 / 3; background: var(--ab-surface); overflow: hidden; }
.ab-post-row__image img { height: 100%; object-fit: cover; width: 100%; }
.ab-post-row:not(:has(.wp-block-post-featured-image)) { grid-template-columns: minmax(110px, .3fr) minmax(0, 1.9fr); }
.ab-pagination { margin-top: 40px; }

.ab-article { margin-inline: auto; max-width: var(--ab-reading); padding: clamp(56px, 9vw, 120px) 20px; }
.ab-article__meta { color: var(--ab-mute); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .75rem; }
.ab-article__title { font-size: clamp(2.5rem, 7vw, 5rem); letter-spacing: -.05em; margin: 20px 0 32px; }
.ab-article .wp-block-post-featured-image { margin-block: 40px; }
.ab-article .wp-block-post-content { color: var(--ab-body); font-size: clamp(1.0625rem, 1.5vw, 1.1875rem); }
.ab-article .wp-block-post-content h2,
.ab-article .wp-block-post-content h3 { color: var(--ab-ink); margin-top: 2.4em; }
.ab-article .wp-block-post-content a { color: var(--ab-accent); }

.ab-empty, .ab-utility { min-height: 60dvh; padding-block: clamp(72px, 12vw, 144px); }
.ab-empty h1, .ab-utility h1 { font-size: clamp(2.5rem, 7vw, 5.5rem); letter-spacing: -.05em; margin: 0 0 24px; }
.wp-block-search__input { background: var(--ab-surface); border: 1px solid var(--ab-hairline); border-radius: var(--ab-radius); color: var(--ab-ink); min-height: 48px; padding: 12px 14px; }
.wp-block-search__button { border-radius: 100px; min-height: 48px; white-space: nowrap; }

.ab-footer { border-top: 1px solid var(--ab-hairline); margin-top: clamp(64px, 10vw, 128px); padding-block: 48px; }
.ab-footer__inner { align-items: start; display: grid; gap: 32px; grid-template-columns: 1fr auto; }
.ab-footer .wp-block-site-title { font-size: 1.25rem; font-weight: 600; margin: 0; }
.ab-footer .wp-block-navigation { color: var(--ab-body); font-size: .875rem; }

@media (prefers-reduced-motion: no-preference) {
  .ab-masthead__title, .ab-masthead__tagline, .ab-masthead__media { animation: ab-enter .72s cubic-bezier(.16, 1, .3, 1) both; }
  .ab-masthead__tagline { animation-delay: 80ms; }
  .ab-masthead__media { animation-delay: 140ms; }
  .ab-post-row { animation: ab-row-enter linear both; animation-range: entry 0% cover 25%; animation-timeline: view(); }
  a, button { transition: color .2s ease, background-color .2s ease, transform .2s ease; }
  button:active, .wp-element-button:active { transform: scale(.98); }
}
@keyframes ab-enter { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
@keyframes ab-row-enter { from { transform: translateY(18px); } to { transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; } }

@media (prefers-color-scheme: dark) {
  :root { --ab-ink: #f2f2f2; --ab-body: #c7c7c7; --ab-mute: #a3a3a3; --ab-hairline: #303030; --ab-canvas: #111111; --ab-surface: #1a1a1a; --ab-accent: #5aa7ff; --ab-focus: #8cc2ff; }
  .wp-element-button { background: var(--ab-ink); color: var(--ab-canvas); }
  .ab-masthead__media img { filter: brightness(.88) contrast(1.05); }
}

@media (max-width: 767px) {
  .ab-shell { padding-inline: 20px; }
  .ab-header__inner { gap: 12px; }
  .ab-masthead__grid, .ab-footer__inner { grid-template-columns: 1fr; }
  .ab-masthead__media { min-width: 0; }
  .ab-post-row, .ab-post-row:not(:has(.wp-block-post-featured-image)) { grid-template-columns: 1fr; }
  .ab-post-row__image { grid-row: 2; }
  .ab-post-row__content { grid-row: 3; }
  .ab-footer .wp-block-navigation { justify-content: flex-start; }
}