/*
Theme Name: Gravity Well Cafeteria
Theme URI: https://sheepig.top
Author: Sheep Studio
Author URI: https://sheepig.top
Description: 重力井食堂 — 每日简报与小说连载 WordPress 主题。融合零依赖 Canvas 程序化视听引擎与宣纸水墨质感。
Version: 1.0.0
License: GNU General Public License v2 or later
Text Domain: gravity-well-cafeteria
*/

:root {
  --bg-paper: #f6f2e9;
  --text-ink: #3a362c;
  --accent-gold: #c29b38;
  --accent-cafe: #2a6db5;
  --card-bg: rgba(255, 253, 248, 0.88);
  --border-ink: rgba(58, 54, 44, 0.15);
  --font-main: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background-color: var(--bg-paper);
  color: var(--text-ink);
  font-family: var(--font-main);
  line-height: 1.8;
  overflow-x: hidden;
  transition: background-color 1s ease, color 1s ease;
}

#gravity-container {
  position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; z-index: 0; pointer-events: auto;
}
#gravity-canvas { width: 100%; height: 100%; display: block; }

.site-wrapper {
  position: relative; z-index: 10; min-height: 100vh; display: flex; flex-direction: column; pointer-events: none;
}
.site-header, .site-main, .site-footer, .hud-controller, .search-form { pointer-events: auto; }

/* Header */
.site-header {
  display: flex; justify-content: space-between; align-items: center; padding: 20px 40px;
  background: linear-gradient(180deg, rgba(246,242,233,0.9) 0%, rgba(246,242,233,0) 100%);
  backdrop-filter: blur(8px); position: sticky; top: 0; z-index: 100;
}
.site-branding { display: flex; align-items: center; gap: 15px; }
.site-title {
  font-size: 1.6rem; font-weight: 700; letter-spacing: 2px; color: var(--text-ink);
  text-decoration: none; display: flex; align-items: center; gap: 10px;
}
.site-title .badge-cafe {
  font-size: 0.72rem; background: var(--text-ink); color: var(--bg-paper);
  padding: 2px 8px; border-radius: 12px; letter-spacing: 1px;
}

/* Search */
.search-form {
  display: flex; align-items: center; gap: 8px;
  background: rgba(255,253,248,0.7); border: 1px solid var(--border-ink);
  border-radius: 24px; padding: 4px 6px 4px 16px; backdrop-filter: blur(6px);
  transition: border-color 0.3s, box-shadow 0.3s;
}
.search-form:focus-within { border-color: var(--accent-gold); box-shadow: 0 0 0 3px rgba(194,155,56,0.12); }
.search-form input[type="search"] {
  border: none; background: transparent; outline: none; font-size: 0.9rem;
  color: var(--text-ink); font-family: var(--font-main); width: 180px;
}
.search-form input[type="search"]::placeholder { color: rgba(58,54,44,0.4); }
.search-form button {
  border: none; background: var(--text-ink); color: var(--bg-paper);
  border-radius: 50%; width: 32px; height: 32px; font-size: 0.85rem;
  cursor: pointer; transition: opacity 0.2s; display: flex; align-items: center; justify-content: center;
}
.search-form button:hover { opacity: 0.85; }

/* HUD Controller — Bottom Right */
.hud-controller {
  position: fixed; bottom: 20px; right: 20px; z-index: 90;
  background: rgba(246,242,233,0.75); backdrop-filter: blur(12px);
  border: 1px solid var(--border-ink); border-radius: 12px;
  padding: 12px 18px; font-size: 0.85rem; box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  display: flex; flex-direction: column; gap: 10px; max-width: 280px;
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.hud-controller.hud-collapsed { opacity: 0.15; transform: translateY(10px); }
.hud-controller:hover { opacity: 1; transform: translateY(0); }
.hud-title { font-weight: bold; border-bottom: 1px solid var(--border-ink); padding-bottom: 5px; display: flex; justify-content: space-between; align-items: center; }
.hud-controls { display: flex; flex-wrap: wrap; gap: 6px; }
.hud-btn {
  background: rgba(58,54,44,0.08); border: 1px solid var(--border-ink); color: var(--text-ink);
  padding: 4px 10px; border-radius: 6px; cursor: pointer; font-size: 0.78rem; transition: all 0.2s ease;
}
.hud-btn:hover, .hud-btn.active { background: var(--text-ink); color: var(--bg-paper); }
.hud-climate-bar { width: 100%; height: 3px; background: rgba(58,54,44,0.1); border-radius: 2px; overflow: hidden; }
.hud-climate-bar-fill { height: 100%; background: var(--accent-gold); border-radius: 2px; width: 0%; transition: width 0.1s linear; }

/* Main */
.main-container { max-width: 1300px; margin: 40px auto; padding: 0 25px; width: 100%; }

/* Hero */
.hero-section {
  text-align: center; padding: 50px 20px 36px;
  background: rgba(256,256,256,0.3); border-radius: 20px; margin-bottom: 36px;
  backdrop-filter: blur(5px); border: 1px solid var(--border-ink);
}
.hero-title { font-size: 2.5rem; font-weight: 800; margin-bottom: 12px; letter-spacing: 3px; }
.hero-subtitle { font-size: 1.1rem; opacity: 0.85; max-width: 680px; margin: 0 auto 20px; }

/* Dual Column Layout */
.dual-column { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-top: 20px; }
.column-section h2.section-title {
  font-size: 1.3rem; font-weight: 700; margin-bottom: 18px; padding-bottom: 10px;
  border-bottom: 2px solid var(--accent-gold); display: flex; align-items: center; gap: 8px;
}

/* Post Cards */
.post-card {
  background: var(--card-bg); border-radius: 14px; border: 1px solid var(--border-ink);
  padding: 18px 22px; margin-bottom: 16px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.03);
  transition: transform 0.3s cubic-bezier(0.2,0.8,0.2,1), box-shadow 0.3s ease;
  display: flex; flex-direction: column; gap: 8px;
}
.post-card:hover { transform: translateY(-5px); box-shadow: 0 12px 28px rgba(0,0,0,0.08); }
.post-card .post-title { font-size: 1.05rem; font-weight: 700; color: var(--text-ink); text-decoration: none; }
.post-card .post-title:hover { color: var(--accent-gold); }
.post-card .post-meta { font-size: 0.78rem; opacity: 0.65; display: flex; gap: 12px; align-items: center; }
.post-card .post-excerpt { font-size: 0.88rem; opacity: 0.82; line-height: 1.6; }
.post-card .cat-tag {
  display: inline-block; font-size: 0.72rem; background: rgba(42,109,181,0.1);
  color: var(--accent-cafe); padding: 2px 10px; border-radius: 10px; text-decoration: none;
}
.post-card .cat-tag.novel { background: rgba(194,155,56,0.12); color: var(--accent-gold); }

/* Chapter Card */
.chapter-card {
  background: var(--card-bg); border-radius: 14px; border: 1px solid var(--border-ink);
  padding: 18px 22px; margin-bottom: 16px;
  border-left: 4px solid var(--accent-gold);
  transition: transform 0.3s cubic-bezier(0.2,0.8,0.2,1), box-shadow 0.3s ease;
  display: flex; flex-direction: column; gap: 8px;
}
.chapter-card:hover { transform: translateY(-5px); box-shadow: 0 12px 28px rgba(0,0,0,0.08); }
.chapter-card .chapter-number { font-size: 0.78rem; color: var(--accent-gold); font-weight: 600; }
.chapter-card .chapter-title { font-size: 1.05rem; font-weight: 700; color: var(--text-ink); text-decoration: none; }
.chapter-card .chapter-title:hover { color: var(--accent-gold); }
.chapter-card .chapter-excerpt { font-size: 0.86rem; opacity: 0.8; line-height: 1.6; }

/* Pagination */
.pagination-wrapper { display: flex; justify-content: center; align-items: center; margin: 50px 0 30px; gap: 8px; flex-wrap: wrap; }
.pagination-wrapper .page-numbers {
  display: inline-flex; align-items: center; justify-content: center; min-width: 44px; height: 44px;
  padding: 0 12px; border-radius: 10px; text-decoration: none; font-weight: 600; font-size: 0.9rem;
  transition: all 0.3s cubic-bezier(0.2,0.8,0.2,1); border: 1px solid var(--border-ink);
  background: var(--card-bg); color: var(--text-ink); backdrop-filter: blur(4px);
}
.pagination-wrapper .page-numbers.current { background: var(--text-ink); color: var(--bg-paper); border-color: var(--text-ink); box-shadow: 0 4px 14px rgba(58,54,44,0.25); transform: scale(1.05); }
.pagination-wrapper .page-numbers:hover:not(.current):not(.dots) { background: var(--accent-gold); color: white; border-color: var(--accent-gold); transform: translateY(-3px); box-shadow: 0 6px 18px rgba(194,155,56,0.3); }
.pagination-wrapper .page-numbers.dots { border: none; background: transparent; min-width: auto; cursor: default; }

/* Single Post */
.novel-chapter {
  max-width: 800px; margin: 40px auto; background: var(--card-bg);
  border: 2px solid var(--text-ink); border-radius: 20px; padding: 40px;
  box-shadow: 0 16px 44px rgba(0,0,0,0.08);
}
.novel-chapter .chapter-header { margin-bottom: 25px; border-bottom: 2px dashed var(--border-ink); padding-bottom: 20px; }
.novel-chapter .chapter-label { font-size: 0.85rem; color: var(--accent-gold); font-weight: 600; letter-spacing: 2px; margin-bottom: 8px; }
.novel-chapter h1 { font-size: 1.8rem; margin-bottom: 10px; }
.novel-chapter .chapter-meta { font-size: 0.82rem; opacity: 0.65; display: flex; gap: 15px; align-items: center; }
.novel-chapter .entry-content { line-height: 1.9; font-size: 1.02rem; margin-top: 20px; }
.novel-chapter .entry-content p { margin-bottom: 18px; text-indent: 2em; }

/* Briefing (简报) style */
.briefing-post {
  max-width: 900px; margin: 40px auto; background: var(--card-bg);
  border: 1px solid var(--border-ink); border-radius: 16px; padding: 35px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.04);
}
.briefing-post .briefing-header { margin-bottom: 20px; border-bottom: 1px solid var(--border-ink); padding-bottom: 15px; }
.briefing-post h1 { font-size: 1.6rem; margin-bottom: 8px; }
.briefing-post .briefing-meta { font-size: 0.82rem; opacity: 0.65; display: flex; gap: 15px; }
.briefing-post .entry-content { line-height: 1.9; margin-top: 20px; }

/* Post Navigation */
.post-navigation-wrapper { display: flex; justify-content: space-between; gap: 20px; margin: 40px auto; max-width: 800px; }
.post-nav-link {
  flex: 1; padding: 18px 22px; border-radius: 14px; border: 1px solid var(--border-ink);
  background: var(--card-bg); text-decoration: none; color: var(--text-ink);
  transition: all 0.3s ease; backdrop-filter: blur(4px); display: flex; flex-direction: column; gap: 6px;
}
.post-nav-link:hover { transform: translateY(-4px); box-shadow: 0 10px 28px rgba(0,0,0,0.08); border-color: var(--accent-gold); }
.post-nav-link .nav-label { font-size: 0.75rem; opacity: 0.6; text-transform: uppercase; letter-spacing: 1px; }
.post-nav-link .nav-title { font-weight: 700; font-size: 0.95rem; }
.post-nav-link.next { text-align: right; align-items: flex-end; }
.post-nav-link.placeholder { visibility: hidden; }

/* Search Results */
.search-results { max-width: 900px; margin: 40px auto; }
.search-results h2 { font-size: 1.4rem; margin-bottom: 20px; }
.search-result-item { padding: 16px 0; border-bottom: 1px solid var(--border-ink); }
.search-result-item .post-title { font-size: 1.05rem; font-weight: 700; color: var(--text-ink); text-decoration: none; }
.search-result-item .post-title:hover { color: var(--accent-gold); }
.search-result-item .post-excerpt { font-size: 0.88rem; opacity: 0.8; margin-top: 6px; }
.search-no-results { text-align: center; padding: 60px 20px; }
.search-no-results h3 { font-size: 1.2rem; margin-bottom: 10px; opacity: 0.7; }

/* Footer */
.site-footer {
  margin-top: auto; padding: 40px 20px; text-align: center; font-size: 0.85rem; opacity: 0.8;
  border-top: 1px solid var(--border-ink); background: rgba(246,242,233,0.85);
}
.site-footer .footer-engine { margin-top: 8px; opacity: 0.6; font-size: 0.8rem; }

/* Large Display */
@media (min-width: 2200px) { html { font-size: 18px; } .main-container { max-width: 1800px; } }
@media (min-width: 3200px) { html { font-size: 22px; } .main-container { max-width: 2600px; } }

/* Mobile */
@media (max-width: 768px) {
  .site-header { padding: 15px 20px; flex-direction: column; gap: 12px; }
  .site-title { font-size: 1.2rem; }
  .search-form input[type="search"] { width: 140px; }
  .hud-controller { bottom: 10px; right: 10px; max-width: 200px; padding: 8px 12px; font-size: 0.78rem; }
  .hud-btn { font-size: 0.7rem; padding: 3px 7px; }
  .hero-title { font-size: 1.8rem; }
  .hero-section { padding: 35px 15px 25px; }
  .dual-column { grid-template-columns: 1fr; gap: 20px; }
  .pagination-wrapper .page-numbers { min-width: 38px; height: 38px; font-size: 0.85rem; }
  .post-navigation-wrapper { flex-direction: column; }
  .post-nav-link.next { text-align: left; align-items: flex-start; }
  .novel-chapter { padding: 25px; margin: 20px 15px; }
}