/*
Theme Name: Banner Gallery
Description: バナー広告ギャラリーサイト用オリジナルテーマ
Version: 1.0
Author: Bianco
Text Domain: bannergallery
*/

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --accent: #13b794;
  --text: #1a1a1a;
  --text-light: #888;
  --border: #e5e5e5;
  --bg: #fff;
  --sidebar-width: 260px;
  --max-width: 1160px;
  --gap: 12px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
}

a { color: var(--text); text-decoration: none; }
a:hover { opacity: 0.7; }
img { max-width: 100%; height: auto; display: block; }

/* Broken image fallback */
img[alt]::after {
  content: '';
  display: block;
}

img:not([src]), img[src=""] {
  visibility: hidden;
  height: 0;
}

.card-thumb img,
.banner-image img {
  max-width: 100%;
  min-height: 0;
}

/* === Layout === */
.site-wrapper {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.content-area {
  display: flex;
  gap: 40px;
  align-items: flex-start;
}

.main-content { flex: 1; min-width: 0; }
.sidebar { width: var(--sidebar-width); flex-shrink: 0; }

/* === Header === */
.site-header {
  background: var(--accent);
  padding: 16px 0;
  margin-bottom: 24px;
}

.site-header .site-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo img,
.custom-logo-link img {
  height: 80px;
  width: auto;
}

.site-logo a { display: inline-block; }

.mobile-menu-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: 4px;
  font-size: 20px;
  cursor: pointer;
  padding: 6px 10px;
  color: #fff;
}

/* === Banner Grid === */
.banner-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px 20px;
  padding: 8px;
}

.banner-card {
  overflow: visible;
}

.banner-card a {
  display: block;
  color: var(--text);
}

.banner-card a:hover { opacity: 1; }

.banner-card .card-thumb {
  aspect-ratio: 4/3;
  overflow: visible;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
}

.banner-card .card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.25s ease;
}

.banner-card a:hover .card-thumb img {
  transform: scale(1.08);
}

.banner-card .card-body {
  padding: 6px 2px;
}

.banner-card .card-title {
  font-size: 13px;
  font-weight: normal;
  line-height: 1.4;
  color: var(--text-light);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.banner-card .card-meta {
  margin-top: 2px;
}

.banner-card .card-meta .size-label {
  font-size: 10px;
  color: var(--accent);
  font-weight: 500;
}

/* === Pagination === */
.pagination, .nav-links {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin: 32px 0;
  flex-wrap: wrap;
}

.nav-links a, .nav-links span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 34px;
  padding: 0 8px;
  border-radius: 4px;
  font-size: 13px;
  color: var(--text);
}

.nav-links a { border: 1px solid var(--border); }
.nav-links a:hover { background: #f5f5f5; opacity: 1; }

.nav-links .current {
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
}

.nav-links .dots { color: var(--text-light); }

.navigation .screen-reader-text,
.pagination h2 { display: none; }

/* === Sidebar === */
.sidebar-section {
  margin-bottom: 28px;
}

.sidebar-section-title {
  font-size: 13px;
  font-weight: bold;
  color: var(--text);
  border-left: 4px solid var(--accent);
  padding-left: 10px;
  margin-bottom: 12px;
}

/* Search */
.search-form {
  display: flex;
}

.search-form input[type="search"] {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 4px 0 0 4px;
  font-size: 13px;
  outline: none;
  background: #fafafa;
}

.search-form input[type="search"]:focus {
  border-color: var(--accent);
  background: #fff;
}

.search-form button {
  padding: 8px 14px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 0 4px 4px 0;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
}

.search-form button svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Filter lists (sizes, industries) */
.filter-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
  list-style: none;
}

.filter-list a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 8px 6px;
  min-height: 48px;
  font-size: 13px;
  color: var(--text);
  background: #f0f0f0;
  border-radius: 4px;
  text-align: center;
  line-height: 1.3;
}

.filter-list a:hover {
  background: var(--accent);
  color: #fff;
  opacity: 1;
}

.filter-list .count {
  display: block;
  font-size: 11px;
  opacity: 0.6;
  margin-top: 1px;
}

/* Color filter */
.color-filter-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
  list-style: none;
}

.color-filter-list a {
  display: block;
  padding: 8px 10px;
  border-radius: 4px;
  font-size: 12px;
  text-align: center;
}

.color-filter-list a:hover { opacity: 0.8; }

/* Original site colors */
.color-filter-list .color-white a  { background: #fff; color: #333; outline: 1px solid #ccc; outline-offset: -1px; }
.color-filter-list .color-black a  { background: #484848; color: #eee; }
.color-filter-list .color-blue a   { background: #61bdff; color: #fff; }
.color-filter-list .color-red a    { background: #ff7777; color: #fff; }
.color-filter-list .color-green a  { background: #8de48d; color: #333; }
.color-filter-list .color-yellow a { background: #fbfb3d; color: #333; }
.color-filter-list .color-orange a { background: #ffbe46; color: #333; }
.color-filter-list .color-pink a   { background: #ffa3b3; color: #333; }
.color-filter-list .color-purple a { background: #e48ce4; color: #333; }
.color-filter-list .color-brown a  { background: #985656; color: #eee; }
.color-filter-list .color-gray a   { background: #ccc; color: #333; }
.color-filter-list .color-gold a   { background: #d8c560; color: #333; }

/* === Single Post === */
.single-banner { max-width: 800px; }

.single-banner .banner-image {
  margin-bottom: 24px;
  text-align: center;
}

.single-banner .banner-image img {
  margin: 0 auto;
  max-height: 500px;
  object-fit: contain;
}

.single-banner h1 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
}

.single-banner .banner-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.single-banner .banner-meta .meta-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 3px;
  font-size: 12px;
  background: #f0f0f0;
  color: var(--text);
}

.single-banner .banner-meta .meta-tag.size {
  background: var(--accent);
  color: #fff;
}

.single-banner .banner-image--missing {
  background: #f5f5f5;
  padding: 40px 20px;
  border-radius: 4px;
  color: var(--text-light);
  font-size: 13px;
}

.single-banner .banner-content {
  margin: 24px 0;
  line-height: 1.8;
}

.post-navigation {
  display: flex;
  justify-content: space-between;
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 13px;
}

/* === Archive Header === */
.archive-header {
  margin-bottom: 20px;
}

.archive-header h1 {
  font-size: 18px;
  font-weight: 600;
  border-left: 4px solid var(--accent);
  padding-left: 12px;
}

.archive-header .archive-count {
  color: var(--text-light);
  font-size: 13px;
  margin-top: 4px;
  padding-left: 16px;
}

/* === Ad Blocks === */
.ad-block { margin: 20px 0; text-align: center; }

/* === Footer === */
.site-footer {
  margin-top: 48px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 12px;
  color: var(--text-light);
}

/* === Widget Area === */
.widget { margin-bottom: 20px; }

/* === 404 === */
.page-404 { text-align: center; padding: 60px 20px; }
.page-404 h1 { font-size: 48px; color: var(--text-light); }
.page-404 p { margin-top: 12px; }

/* ==============================
   Responsive
   ============================== */

@media (max-width: 959px) {
  .sidebar { width: 220px; }
  .content-area { gap: 24px; }
}

@media (max-width: 767px) {
  .content-area { flex-direction: column; }
  .main-content { order: 1; }

  .sidebar {
    position: fixed;
    top: 0;
    right: -85vw;
    width: 85vw;
    max-width: 340px;
    height: 100vh;
    background: #fff;
    z-index: 1000;
    overflow-y: auto;
    padding: 24px 20px;
    box-shadow: -4px 0 20px rgba(0,0,0,0.15);
    transition: right 0.3s ease;
  }

  .sidebar.is-open { right: 0; }

  .sidebar-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.4);
    z-index: 999;
  }

  .sidebar-overlay.is-active { display: block; }
  .banner-grid { grid-template-columns: repeat(2, 1fr); gap: 20px 12px; padding: 4px; }
  .banner-card .card-title { font-size: 12px; }
  .mobile-menu-toggle { display: block; }
  .custom-logo-link img, .site-logo img { height: 48px; }
  .single-banner h1 { font-size: 16px; }
}

@media (max-width: 479px) {
  .banner-grid { gap: 16px 8px; }
  .banner-card .card-meta { display: none; }
}