/* ===========================================================
   夜话档案 · 怪谈收集站 —— 全站共享样式
   复古像素 / 8-bit / 老游戏机配色
   =========================================================== */

/* ---------- 主题变量（改颜色只改这里） ---------- */
:root {
  --color-bg: #0f1d18;
  --color-bg-2: #14291f;
  --color-panel: #1b3a2f;
  --color-panel-2: #22483a;
  --color-primary: #ffd93d;
  --color-accent: #c0392b;
  --color-green: #4ade80;
  --color-text: #e6f0e8;
  --color-text-dim: #a8c0b0;
  --color-line: #2f5a48;
  --shadow: 4px 4px 0 #08120e;
  --shadow-sm: 2px 2px 0 #08120e;
  --font-pixel: "Courier New", "PingFang SC", "Microsoft YaHei", monospace;
  --font-body: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}

[data-theme="light"] {
  --color-bg: #e8e4d5;
  --color-bg-2: #f2eee0;
  --color-panel: #fffdf5;
  --color-panel-2: #f0ebd8;
  --color-primary: #b8860b;
  --color-accent: #a83226;
  --color-green: #2f7d4f;
  --color-text: #1f2a24;
  --color-text-dim: #4a5a50;
  --color-line: #c9c2a8;
  --shadow: 4px 4px 0 #b9b29a;
  --shadow-sm: 2px 2px 0 #b9b29a;
}

/* ---------- 基础 ---------- */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--color-text);
  background:
    radial-gradient(circle at 15% 0%, rgba(255, 217, 61, 0.07), transparent 45%),
    radial-gradient(circle at 85% 100%, rgba(192, 57, 43, 0.10), transparent 50%),
    linear-gradient(160deg, var(--color-bg), var(--color-bg-2));
  background-attachment: fixed;
  line-height: 1.7;
  transition: background 0.4s ease, color 0.3s ease;
}

/* 像素网格底纹 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 8px 8px;
}

h1, h2, h3, h4 {
  font-family: var(--font-pixel);
  letter-spacing: 1px;
  line-height: 1.35;
  margin: 0 0 0.6em;
}

a { color: var(--color-primary); }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-panel) 92%, transparent);
  border-bottom: 3px solid var(--color-line);
  backdrop-filter: blur(6px);
}

.nav {
  max-width: 1080px;
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.brand {
  font-family: var(--font-pixel);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-right: auto;
  text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.45);
}
.brand:hover { transform: translateY(-1px); }

.nav-links {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  display: inline-block;
  padding: 6px 12px;
  font-family: var(--font-pixel);
  font-size: 0.82rem;
  color: var(--color-text-dim);
  text-decoration: none;
  border: 2px solid transparent;
  transition: transform 0.12s ease, color 0.15s ease, border-color 0.15s ease;
}
.nav-links a:hover {
  color: var(--color-primary);
  border-color: var(--color-line);
  transform: translateY(-2px);
}
.nav-links a[aria-current="page"] {
  color: #14291f;
  background: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.theme-btn {
  font-family: var(--font-pixel);
  font-size: 0.8rem;
  cursor: pointer;
  padding: 6px 12px;
  color: var(--color-text);
  background: var(--color-panel-2);
  border: 2px solid var(--color-line);
  box-shadow: var(--shadow-sm);
  transition: transform 0.12s ease, background 0.15s ease;
}
.theme-btn:hover { transform: translate(-1px, -1px); background: var(--color-panel); }
.theme-btn:active { transform: translate(2px, 2px); box-shadow: none; }

/* ---------- 布局 ---------- */
main {
  position: relative;
  z-index: 1;
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 16px 64px;
}

.section-title {
  font-size: 1.15rem;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 40px;
}
.section-title::after {
  content: "";
  flex: 1;
  height: 3px;
  background: repeating-linear-gradient(90deg, var(--color-line) 0 6px, transparent 6px 12px);
}

/* ---------- 首页 Hero ---------- */
.hero {
  text-align: center;
  padding: 40px 16px 24px;
}
.hero h1 {
  font-size: clamp(1.6rem, 6vw, 3rem);
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent), var(--color-primary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(3px 3px 0 rgba(0, 0, 0, 0.5));
  animation: flicker 5s infinite;
}
.hero p {
  color: var(--color-text-dim);
  max-width: 620px;
  margin: 0 auto 8px;
}
.hero .tagline {
  font-family: var(--font-pixel);
  font-size: 0.8rem;
  color: var(--color-accent);
  letter-spacing: 2px;
}

@keyframes flicker {
  0%, 92%, 100% { opacity: 1; }
  93% { opacity: 0.55; }
  94% { opacity: 1; }
  96% { opacity: 0.7; }
  97% { opacity: 1; }
}

/* ---------- 卡片网格 ---------- */
.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
}

.card {
  position: relative;
  display: block;
  padding: 18px 16px;
  text-decoration: none;
  color: var(--color-text);
  background: var(--color-panel);
  border: 3px solid var(--color-line);
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 7px 7px 0 #08120e;
  border-color: var(--color-primary);
}
.card:active { transform: translate(2px, 2px); box-shadow: var(--shadow-sm); }

.card .emoji { font-size: 1.8rem; display: block; margin-bottom: 6px; }
.card h3 { font-size: 1rem; margin: 0 0 6px; color: var(--color-primary); }
.card p { margin: 0; font-size: 0.85rem; color: var(--color-text-dim); }

.card .count {
  position: absolute;
  top: 10px;
  right: 10px;
  font-family: var(--font-pixel);
  font-size: 0.7rem;
  padding: 2px 7px;
  color: #14291f;
  background: var(--color-primary);
  border: 2px solid #08120e;
}

/* ---------- 怪谈列表 ---------- */
.toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin: 24px 0 18px;
}

.chip {
  font-family: var(--font-pixel);
  font-size: 0.78rem;
  cursor: pointer;
  padding: 6px 12px;
  color: var(--color-text-dim);
  background: var(--color-panel);
  border: 2px solid var(--color-line);
  transition: transform 0.12s ease, color 0.15s ease, background 0.15s ease;
}
.chip:hover { transform: translateY(-2px); color: var(--color-primary); }
.chip.active {
  color: #14291f;
  background: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.search-input {
  flex: 1;
  min-width: 160px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 8px 12px;
  color: var(--color-text);
  background: var(--color-panel);
  border: 2px solid var(--color-line);
  outline: none;
}
.search-input:focus { border-color: var(--color-primary); }
.search-input::placeholder { color: var(--color-text-dim); }

.story-list { display: grid; gap: 14px; }

.story-item {
  display: block;
  text-decoration: none;
  color: var(--color-text);
  padding: 14px 16px;
  background: var(--color-panel);
  border: 3px solid var(--color-line);
  border-left-width: 8px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.14s ease, border-color 0.14s ease;
}
.story-item:hover {
  transform: translateX(4px);
  border-color: var(--color-primary);
  border-left-color: var(--color-accent);
}
.story-item h3 { font-size: 0.98rem; margin: 0 0 4px; }
.story-item .meta {
  font-family: var(--font-pixel);
  font-size: 0.72rem;
  color: var(--color-text-dim);
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.story-item .meta .san { color: var(--color-accent); }
.story-item .excerpt {
  margin: 6px 0 0;
  font-size: 0.84rem;
  color: var(--color-text-dim);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.empty {
  text-align: center;
  padding: 40px 16px;
  color: var(--color-text-dim);
  font-family: var(--font-pixel);
  border: 3px dashed var(--color-line);
}

/* ---------- 详情页 ---------- */
.detail {
  background: var(--color-panel);
  border: 3px solid var(--color-line);
  box-shadow: var(--shadow);
  padding: 24px 20px;
}
.detail h1 {
  font-size: clamp(1.3rem, 4.5vw, 2rem);
  color: var(--color-primary);
}
.detail .meta {
  font-family: var(--font-pixel);
  font-size: 0.78rem;
  color: var(--color-text-dim);
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  padding-bottom: 14px;
  border-bottom: 3px dashed var(--color-line);
  margin-bottom: 18px;
}
.detail .body p { margin: 0 0 1em; }
.detail .body p:first-letter { font-size: 1.4em; color: var(--color-accent); }

.san-bar-wrap {
  margin: 20px 0;
  padding: 14px;
  background: var(--color-panel-2);
  border: 2px solid var(--color-line);
}
.san-bar-label {
  font-family: var(--font-pixel);
  font-size: 0.78rem;
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  color: var(--color-text-dim);
}
.san-bar {
  height: 16px;
  background: #08120e;
  border: 2px solid var(--color-line);
  overflow: hidden;
}
.san-bar > i {
  display: block;
  height: 100%;
  width: 100%;
  background: repeating-linear-gradient(90deg, var(--color-green) 0 8px, #3aa864 8px 16px);
  transition: width 0.5s ease, background 0.4s ease;
}
.san-bar.low > i {
  background: repeating-linear-gradient(90deg, var(--color-accent) 0 8px, #8f2a20 8px 16px);
}

.btn {
  display: inline-block;
  font-family: var(--font-pixel);
  font-size: 0.85rem;
  cursor: pointer;
  padding: 10px 18px;
  color: #14291f;
  background: var(--color-primary);
  border: 3px solid #08120e;
  box-shadow: var(--shadow);
  text-decoration: none;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.btn:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 #08120e; }
.btn:active { transform: translate(2px, 2px); box-shadow: var(--shadow-sm); }
.btn.ghost {
  color: var(--color-text);
  background: var(--color-panel-2);
  border-color: var(--color-line);
}
.btn.danger { color: #fff; background: var(--color-accent); }

.btn-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; }

/* ---------- 留言板 ---------- */
.form-box {
  background: var(--color-panel);
  border: 3px solid var(--color-line);
  box-shadow: var(--shadow);
  padding: 18px;
  margin-bottom: 24px;
}
.field { margin-bottom: 12px; }
.field label {
  display: block;
  font-family: var(--font-pixel);
  font-size: 0.78rem;
  color: var(--color-text-dim);
  margin-bottom: 6px;
}
.field input,
.field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.92rem;
  padding: 10px 12px;
  color: var(--color-text);
  background: var(--color-bg-2);
  border: 2px solid var(--color-line);
  outline: none;
  resize: vertical;
}
.field input:focus,
.field textarea:focus { border-color: var(--color-primary); }
.field textarea { min-height: 90px; }

.post {
  padding: 14px 16px;
  background: var(--color-panel);
  border: 3px solid var(--color-line);
  border-left: 8px solid var(--color-accent);
  box-shadow: var(--shadow-sm);
  margin-bottom: 12px;
}
.post .head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  font-family: var(--font-pixel);
  font-size: 0.76rem;
  color: var(--color-text-dim);
  margin-bottom: 6px;
}
.post .head .name { color: var(--color-primary); }
.post p { margin: 0; white-space: pre-wrap; word-break: break-word; }

/* ---------- 页脚 ---------- */
.site-footer {
  position: relative;
  z-index: 1;
  border-top: 3px solid var(--color-line);
  background: color-mix(in srgb, var(--color-panel) 70%, transparent);
  padding: 22px 16px;
  text-align: center;
  font-family: var(--font-pixel);
  font-size: 0.76rem;
  color: var(--color-text-dim);
}
.site-footer .slogan { color: var(--color-accent); margin-top: 6px; }

/* ---------- 滚动渐现 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.in { opacity: 1; transform: none; }

/* 页面进入过渡 */
main { animation: pageIn 0.45s ease both; }
@keyframes pageIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 提示条 ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translate(-50%, 20px);
  z-index: 99;
  padding: 10px 20px;
  font-family: var(--font-pixel);
  font-size: 0.82rem;
  color: #14291f;
  background: var(--color-primary);
  border: 3px solid #08120e;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- 响应式 ---------- */
@media (max-width: 640px) {
  .nav { padding: 8px 12px; }
  .brand { font-size: 0.95rem; }
  .nav-links a { padding: 5px 9px; font-size: 0.75rem; }
  main { padding: 20px 12px 48px; }
  .hero { padding: 24px 8px 12px; }
  .grid { grid-template-columns: 1fr; }
  .detail { padding: 18px 14px; }
}