/*
Theme Name: Noir Diary
Theme URI: https://example.com
Author: Your Name
Description: モノクロのダークテーマ。1カラムの縦読み構成と、角丸フローティングカードで構成したモダンな日記用オリジナルテーマ。
Version: 2.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: noir-diary
*/

/* ==========================================================================
   1. Design Tokens
   ========================================================================== */
:root {
  --bg: #0a0a0a;
  --bg-elevated: #161616;
  --bg-elevated-2: #1d1d1d;
  --text: #f5f5f5;
  --text-dim: #a3a3a3;
  --text-faint: #6b6b6b;
  --accent: #ffffff;
  --border-soft: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.18);

  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.3), 0 12px 32px rgba(0, 0, 0, 0.45);
  --shadow-card-hover: 0 1px 2px rgba(0, 0, 0, 0.4), 0 20px 48px rgba(0, 0, 0, 0.55);

  --font-sans: "Inter", "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  --font-display: "Inter", "Noto Sans JP", sans-serif;
  --font-mono: "JetBrains Mono", "Courier New", monospace;

  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;

  --max-width: 720px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   2. Reset & Base
   ========================================================================== */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background-color: var(--bg);
  background-image: radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.04), transparent 60%);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--text);
  text-decoration: none;
  transition: color var(--transition);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

button,
input,
textarea {
  font-family: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ==========================================================================
   3. Layout — single column
   ========================================================================== */
.site {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.container--wide {
  max-width: 1120px;
}

/* ==========================================================================
   4. Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(10, 10, 10, 0.7);
  border-bottom: 1px solid var(--border-soft);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  max-width: 880px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.site-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.site-title a {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-title__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.site-nav ul {
  display: flex;
  gap: 24px;
  align-items: center;
}

.site-nav a {
  font-size: 0.86rem;
  color: var(--text-dim);
  font-weight: 500;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--text);
}

.site-nav__more {
  position: relative;
}

.site-nav__more-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0;
  font-family: inherit;
}

.site-nav__more-btn:hover {
  color: var(--text);
}

.site-nav__more-btn svg {
  transition: transform var(--transition);
}

.site-nav__dropdown.is-open + .site-nav__more-btn svg,
[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.site-nav__dropdown {
  position: absolute;
  top: calc(100% + 16px);
  right: 0;
  min-width: 180px;
  background: var(--bg-elevated-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card-hover);
  padding: 8px;
  display: none;
  flex-direction: column;
  gap: 2px;
  z-index: 60;
}

.site-nav__dropdown.is-open {
  display: flex;
}

.site-nav__dropdown a {
  display: block;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--text-dim);
}

.site-nav__dropdown a:hover {
  background: var(--bg-elevated);
  color: var(--text);
}

.site-nav__search-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border-soft);
  color: var(--text-dim);
  transition: all var(--transition);
}

.site-nav__search-btn:hover {
  border-color: var(--border-hover);
  color: var(--text);
}

/* mobile nav: horizontal scroll to keep room for more genres */
@media (max-width: 680px) {
  .site-header__inner {
    flex-wrap: wrap;
  }

  .site-nav {
    order: 3;
    width: 100%;
  }

  .site-nav ul {
    gap: 16px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 2px;
    flex: 1;
  }

  .site-nav ul::-webkit-scrollbar {
    display: none;
  }

  .site-nav ul li {
    flex-shrink: 0;
  }

  .site-nav__dropdown {
    right: auto;
    left: 0;
  }
}

/* ==========================================================================
   5. Hero / intro block (optional, shown on front page)
   ========================================================================== */
.hero {
  padding: 64px 0 16px;
  text-align: center;
}

.hero__eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  text-transform: uppercase;
  margin-bottom: 14px;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  background: linear-gradient(180deg, #ffffff 0%, #b3b3b3 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__desc {
  color: var(--text-dim);
  font-size: 0.98rem;
  max-width: 480px;
  margin: 0 auto;
}

/* ==========================================================================
   6. Main content
   ========================================================================== */
.site-main {
  padding: 24px 0 96px;
  flex: 1;
}

/* ---- Single-column entry feed ---- */
.entry-feed {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ---- Magazine-style genre sections (front page) ---- */
.genre-section {
  margin-bottom: 64px;
}

.genre-section__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 24px;
}

.genre-section__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0;
  position: relative;
  padding-left: 16px;
}

.genre-section__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.15em;
  bottom: 0.15em;
  width: 3px;
  border-radius: 2px;
  background: var(--accent);
}

.genre-section__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-faint);
  flex-shrink: 0;
}

.genre-section__more svg {
  width: 13px;
  height: 13px;
  transition: transform var(--transition);
}

.genre-section__more:hover {
  color: var(--text);
}

.genre-section__more:hover svg {
  transform: translateX(3px);
}

.genre-section__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 880px) {
  .genre-section__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .genre-section__grid {
    grid-template-columns: 1fr;
  }
}

/* In grid context, cards drop the footer "read more" link to stay compact */
.genre-section__grid .entry-card {
  padding: 20px;
  display: flex;
  flex-direction: column;
}

.genre-section__grid .entry-thumb {
  margin: -20px -20px 16px;
}

.genre-section__grid .entry-title {
  font-size: 1.02rem;
}

.genre-section__grid .entry-excerpt {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.genre-section__grid .entry-card__footer {
  display: none;
}

.entry-card {
  display: block;
  cursor: pointer;
  background: var(--bg-elevated);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.entry-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--border-hover);
}

.entry-card__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 0.78rem;
  color: var(--text-faint);
}

.entry-card__meta .dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--text-faint);
}

.entry-card__category {
  color: var(--text-dim);
  font-weight: 600;
}

.entry-card__category:hover {
  color: var(--text);
}

.entry-thumb {
  margin: -28px -28px 20px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.entry-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.entry-card:hover .entry-thumb img {
  transform: scale(1.04);
}

.entry-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.5;
}

.entry-title a {
  background-image: linear-gradient(var(--accent), var(--accent));
  background-position: 0 100%;
  background-repeat: no-repeat;
  background-size: 0% 1px;
  transition: background-size var(--transition);
}

.entry-title a:hover {
  background-size: 100% 1px;
}

.entry-excerpt {
  color: var(--text-dim);
  font-size: 0.92rem;
  line-height: 1.75;
  margin: 0;
}

.entry-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-soft);
}

.entry-card__readmore {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.entry-card__readmore svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition);
}

.entry-card:hover .entry-card__readmore svg {
  transform: translateX(3px);
}

/* ---- Pagination ---- */
.pagination {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 48px;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  border: 1px solid var(--border-soft);
  color: var(--text-dim);
  font-size: 0.85rem;
  transition: all var(--transition);
}

.pagination a:hover {
  border-color: var(--border-hover);
  color: var(--text);
}

.pagination .current {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
  font-weight: 700;
}

/* ==========================================================================
   7. Single entry (diary post)
   ========================================================================== */
.entry-single {
  max-width: 680px;
  margin: 0 auto;
}

.entry-single__header {
  text-align: center;
  margin-bottom: 36px;
}

.entry-single__category {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-dim);
  background: var(--bg-elevated);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  padding: 6px 16px;
  margin-bottom: 20px;
}

.entry-single__title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4vw, 2.3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.4;
  margin: 0 0 16px;
}

.entry-single__date {
  color: var(--text-faint);
  font-size: 0.85rem;
}

.entry-single__thumb {
  margin: 32px 0 40px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.entry-content {
  font-size: 1.04rem;
  line-height: 1.95;
  color: var(--text);
}

.entry-content p {
  margin: 0 0 1.6em;
}

.entry-content h2,
.entry-content h3 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 2em 0 0.8em;
  line-height: 1.5;
}

.entry-content h2 {
  font-size: 1.4rem;
}

.entry-content h3 {
  font-size: 1.15rem;
}

.entry-content img {
  border-radius: var(--radius-md);
  margin: 1.6em 0;
}

.entry-content blockquote {
  margin: 1.8em 0;
  padding: 18px 24px;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--accent);
  color: var(--text-dim);
}

.entry-content a {
  color: var(--text);
  border-bottom: 1px solid var(--text-faint);
}

.entry-content a:hover {
  border-color: var(--text);
}

.entry-content code {
  background: var(--bg-elevated);
  padding: 0.15em 0.45em;
  border-radius: 5px;
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.entry-content pre {
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  padding: 1.2em;
  overflow-x: auto;
  border: 1px solid var(--border-soft);
}

.entry-tags {
  margin-top: 36px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.entry-tags a {
  font-size: 0.78rem;
  color: var(--text-dim);
  background: var(--bg-elevated);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  padding: 6px 14px;
}

.entry-tags a:hover {
  border-color: var(--border-hover);
  color: var(--text);
}

/* ---- Prev/Next navigation ---- */
.entry-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 56px;
}

@media (max-width: 560px) {
  .entry-nav {
    grid-template-columns: 1fr;
  }
}

.entry-nav__item {
  background: var(--bg-elevated);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color var(--transition), transform var(--transition);
}

.entry-nav__item:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.entry-nav__item--next {
  text-align: right;
  align-items: flex-end;
}

.entry-nav__label {
  font-size: 0.72rem;
  color: var(--text-faint);
  font-weight: 600;
}

.entry-nav__title {
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.5;
  font-weight: 600;
}

/* ==========================================================================
   8. Profile / about block — replaces the old sidebar
   ========================================================================== */
.profile-block {
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: 640px;
  margin: 0 auto 40px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 22px 26px;
}

.profile-block__avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.profile-block__name {
  font-weight: 700;
  font-size: 0.95rem;
  margin: 0 0 4px;
}

.profile-block__bio {
  color: var(--text-dim);
  font-size: 0.85rem;
  line-height: 1.6;
  margin: 0;
}

/* ---- Category pills (replaces sidebar category list) ---- */
.category-pills {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.category-pills a {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-dim);
  background: var(--bg-elevated);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  padding: 8px 18px;
  transition: all var(--transition);
}

.category-pills a:hover,
.category-pills a.is-active {
  color: var(--bg);
  background: var(--accent);
  border-color: var(--accent);
}

/* ---- Search overlay (replaces sidebar search widget) ---- */
.search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 100;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 12vh;
}

.search-overlay.is-open {
  display: flex;
}

.search-widget {
  width: 100%;
  max-width: 520px;
  display: flex;
  align-items: center;
  background: var(--bg-elevated-2);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-lg);
  padding: 4px 4px 4px 20px;
  box-shadow: var(--shadow-card-hover);
}

.search-widget input[type="text"] {
  flex: 1;
  background: transparent;
  border: none;
  padding: 16px 12px;
  font-size: 1rem;
}

.search-widget input[type="text"]:focus-visible {
  outline: none;
}

.search-widget button {
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: var(--radius-md);
  padding: 12px 22px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity var(--transition);
}

.search-widget button:hover {
  opacity: 0.85;
}

.search-overlay__close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border-soft);
  color: var(--text-dim);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.search-overlay__close:hover {
  color: var(--text);
  border-color: var(--border-hover);
}

/* ---- Recent posts strip (optional, footer area) ---- */
.recent-strip {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border-soft);
}

.recent-strip__title {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  text-transform: uppercase;
  margin: 0 0 16px;
}

.recent-strip ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.recent-strip a {
  font-size: 0.9rem;
  color: var(--text-dim);
}

.recent-strip a:hover {
  color: var(--text);
}

.recent-strip time {
  font-size: 0.76rem;
  color: var(--text-faint);
  margin-right: 10px;
}

/* ==========================================================================
   9. Footer
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border-soft);
  padding: 36px 0;
  margin-top: auto;
}

.site-footer__inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.site-footer__copy {
  color: var(--text-faint);
  font-size: 0.78rem;
}

.site-footer__links {
  display: flex;
  gap: 20px;
}

.site-footer__links a {
  color: var(--text-faint);
  font-size: 0.78rem;
}

.site-footer__links a:hover {
  color: var(--text);
}

/* ==========================================================================
   10. 404 / no results
   ========================================================================== */
.no-results {
  padding: 80px 0;
  text-align: center;
}

.no-results__code {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  background: linear-gradient(180deg, #ffffff, #3a3a3a);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 0;
}

.no-results__text {
  color: var(--text-dim);
  margin-top: 12px;
}

.no-results a {
  color: var(--text);
  border-bottom: 1px solid var(--text-faint);
}

/* ==========================================================================
   11. Comments
   ========================================================================== */
.comments-area {
  margin-top: 64px;
  padding-top: 36px;
  border-top: 1px solid var(--border-soft);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.comments-area .widget-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0 0 24px;
}

.comment-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.comment-body {
  background: var(--bg-elevated);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 18px 20px;
}

.comment-meta {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 8px;
}

.comment-author {
  font-size: 0.88rem;
  font-weight: 700;
}

.comment-meta time {
  font-size: 0.74rem;
  color: var(--text-faint);
}

.comment-form {
  margin-top: 32px;
}

.comment-form input,
.comment-form textarea {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-bottom: 12px;
  font-size: 0.92rem;
}

.comment-form input:focus-visible,
.comment-form textarea:focus-visible {
  border-color: var(--border-hover);
}

.comment-form button {
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: var(--radius-md);
  padding: 13px 28px;
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 700;
}

.comment-form button:hover {
  opacity: 0.9;
}