/* ========================================
   光影经典 — 三套主题 CSS 变量
   默认: data-theme="minimal"
   ======================================== */

/* ===== 默认主题: 极简黑 (V3) ===== */
:root, :root[data-theme="minimal"] {
  --bg-primary: #000000;
  --bg-secondary: #0a0a0a;
  --bg-card: #111111;
  --bg-hover: #1a1a1a;
  --text-primary: #ffffff;
  --text-secondary: #888888;
  --text-muted: #555555;
  --accent: #ffffff;
  --accent-dim: #666666;
  --border: #222222;
  --border-hover: #444444;
  --shadow: none;
  --radius: 4px;
  --font-heading: "PingFang SC","Microsoft YaHei",sans-serif;
  --font-body: "PingFang SC","Microsoft YaHei",sans-serif;
  --nav-bg: rgba(0,0,0,0.9);
  --card-glow: none;
  --hero-gradient: linear-gradient(180deg, #0a0a0a 0%, #000 100%);
  --tag-bg: #1a1a1a;
  --tag-text: #888;
  --star-color: #ffffff;
  --btn-bg: #ffffff;
  --btn-text: #000000;
  --btn-hover: #cccccc;
}

/* ===== 复古电影院 (V1) ===== */
:root[data-theme="cinema"] {
  --bg-primary: #1a0a0a;
  --bg-secondary: #0d0505;
  --bg-card: #2a1010;
  --bg-hover: #3a1515;
  --text-primary: #f0d78c;
  --text-secondary: #c4a55a;
  --text-muted: #8a6a3a;
  --accent: #d4a843;
  --accent-dim: #8b6914;
  --border: #3a2020;
  --border-hover: #d4a843;
  --shadow: 0 4px 30px rgba(212,168,67,0.08);
  --radius: 8px;
  --font-heading: "Noto Serif SC","SimSun",serif;
  --font-body: "PingFang SC","Microsoft YaHei",sans-serif;
  --nav-bg: rgba(13,5,5,0.95);
  --card-glow: 0 0 20px rgba(212,168,67,0.05);
  --hero-gradient: linear-gradient(180deg, #0d0505 0%, #1a0a0a 50%, #0d0505 100%);
  --tag-bg: #2a1510;
  --tag-text: #d4a843;
  --star-color: #d4a843;
  --btn-bg: #d4a843;
  --btn-text: #1a0a0a;
  --btn-hover: #c49a33;
}

/* ===== 霓虹都市 (V2) ===== */
:root[data-theme="neon"] {
  --bg-primary: #0a0a1a;
  --bg-secondary: #050510;
  --bg-card: rgba(10,10,40,0.6);
  --bg-hover: rgba(20,20,60,0.8);
  --text-primary: #e0e8ff;
  --text-secondary: #8899cc;
  --text-muted: #556688;
  --accent: #00f0ff;
  --accent-dim: #0088aa;
  --border: rgba(0,240,255,0.12);
  --border-hover: rgba(0,240,255,0.4);
  --shadow: 0 0 30px rgba(0,240,255,0.05);
  --radius: 12px;
  --font-heading: "PingFang SC","Microsoft YaHei",sans-serif;
  --font-body: "PingFang SC","Microsoft YaHei",sans-serif;
  --nav-bg: rgba(5,5,16,0.85);
  --card-glow: 0 0 20px rgba(0,240,255,0.08);
  --hero-gradient: linear-gradient(135deg, #050510 0%, #0a0a2a 50%, #100520 100%);
  --tag-bg: rgba(0,240,255,0.08);
  --tag-text: #00f0ff;
  --star-color: #00f0ff;
  --btn-bg: #00f0ff;
  --btn-text: #050510;
  --btn-hover: #00d0dd;
}

/* ===== 全局基础样式 ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-body);
  background:var(--bg-primary);
  color:var(--text-primary);
  line-height:1.6;
  min-height:100vh;
  transition:background .3s,color .3s;
}

a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
button{cursor:pointer;border:none;background:none;font:inherit;color:inherit}
input{font:inherit;color:inherit;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:10px 16px;outline:none;transition:border-color .2s}
input:focus{border-color:var(--accent)}

.container{max-width:1280px;margin:0 auto;padding:0 20px}

/* 导航栏 */
.nav{
  position:sticky;top:0;z-index:100;
  background:var(--nav-bg);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
  transition:background .3s;
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:60px;max-width:1280px;margin:0 auto;padding:0 20px;
}
.nav-logo{
  font-family:var(--font-heading);
  font-size:1.2rem;font-weight:700;letter-spacing:2px;
  color:var(--accent);white-space:nowrap;
}
.nav-links{display:flex;gap:28px;list-style:none}
.nav-links a{font-size:0.9rem;color:var(--text-secondary);transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--accent)}
.nav-search{position:relative}
.nav-search input{width:180px;padding:8px 14px;font-size:0.85rem}
.nav-search-results{
  display:none;position:absolute;top:100%;left:0;right:0;
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius);max-height:300px;overflow-y:auto;z-index:200;
}
.nav-search-results.show{display:block}
.nav-search-results a{display:block;padding:10px 14px;font-size:0.85rem;border-bottom:1px solid var(--border)}
.nav-search-results a:hover{background:var(--bg-hover)}
.nav-toggle{display:none;font-size:1.5rem;color:var(--accent)}

/* 主题切换 */
.theme-switch{position:relative}
.theme-btn{
  width:36px;height:36px;display:flex;align-items:center;justify-content:center;
  border-radius:50%;border:1px solid var(--border);font-size:1rem;
  transition:border-color .2s,background .2s;
}
.theme-btn:hover{border-color:var(--accent);background:var(--bg-hover)}
.theme-dropdown{
  display:none;position:absolute;top:calc(100% + 8px);right:0;
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius);padding:8px;min-width:150px;z-index:200;
}
.theme-dropdown.show{display:block}
.theme-option{
  display:flex;align-items:center;gap:10px;
  width:100%;padding:10px 12px;border-radius:4px;font-size:0.85rem;
  transition:background .15s;
}
.theme-option:hover{background:var(--bg-hover)}
.theme-option.active{color:var(--accent)}
.theme-dot{width:12px;height:12px;border-radius:50%;flex-shrink:0}
.theme-dot.minimal{background:#fff;border:1px solid #333}
.theme-dot.cinema{background:#d4a843}
.theme-dot.neon{background:#00f0ff}

/* Hero */
.hero{
  padding:80px 20px 60px;
  background:var(--hero-gradient);
  text-align:center;transition:background .3s;
}
.hero h1{
  font-family:var(--font-heading);
  font-size:clamp(2rem,5vw,3.5rem);
  font-weight:800;letter-spacing:-1px;margin-bottom:12px;
  color:var(--accent);
}
.hero p{color:var(--text-secondary);font-size:1.1rem;max-width:600px;margin:0 auto 32px}
.hero-movie{
  display:inline-flex;align-items:center;gap:16px;
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius);padding:16px 24px;
  box-shadow:var(--card-glow);transition:border-color .3s,transform .3s;
}
.hero-movie:hover{border-color:var(--accent);transform:translateY(-2px)}
.hero-movie img{width:80px;height:112px;object-fit:cover;border-radius:4px}
.hero-movie-info{text-align:left}
.hero-movie-info h3{font-size:1.1rem;margin-bottom:4px;color:var(--text-primary)}
.hero-movie-info .meta{font-size:0.8rem;color:var(--text-muted)}
.hero-movie-info .star{color:var(--star-color);margin-left:6px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:12px 28px;border-radius:50px;
  font-size:0.95rem;font-weight:600;
  background:var(--btn-bg);color:var(--btn-text);
  transition:all .25s;
}
.btn:hover{background:var(--btn-hover);transform:translateY(-1px)}
.btn-outline{
  background:transparent;border:1.5px solid var(--accent);
  color:var(--accent);
}
.btn-outline:hover{background:rgba(255,255,255,0.05)}

/* 分类导航 */
.categories{
  padding:40px 20px;overflow-x:auto;
  border-bottom:1px solid var(--border);
}
.cat-scroll{display:flex;gap:10px;max-width:1280px;margin:0 auto;overflow-x:auto;padding-bottom:4px}
.cat-scroll::-webkit-scrollbar{height:0}
.cat-tag{
  flex-shrink:0;padding:8px 18px;
  border-radius:50px;font-size:0.85rem;
  background:var(--tag-bg);color:var(--tag-text);
  border:1px solid transparent;transition:all .2s;white-space:nowrap;
}
.cat-tag:hover,.cat-tag.active{border-color:var(--accent);color:var(--accent)}

/* Section */
.section{padding:60px 20px}
.section-header{text-align:center;margin-bottom:40px}
.section-header h2{
  font-family:var(--font-heading);
  font-size:clamp(1.5rem,3vw,2rem);font-weight:700;
  margin-bottom:8px;color:var(--text-primary);
}
.section-header p{color:var(--text-secondary);font-size:0.95rem}

/* 电影卡片网格 */
.movie-grid{
  display:grid;grid-template-columns:repeat(5,1fr);gap:20px;
  max-width:1280px;margin:0 auto;
}
@media(max-width:1200px){.movie-grid{grid-template-columns:repeat(4,1fr)}}
@media(max-width:900px){.movie-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:600px){.movie-grid{grid-template-columns:repeat(2,1fr);gap:12px}}

.movie-card{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;
  transition:border-color .3s,transform .3s,box-shadow .3s;
  box-shadow:var(--card-glow);
}
.movie-card:hover{
  border-color:var(--accent);transform:translateY(-4px);
  box-shadow:0 8px 30px rgba(0,0,0,0.3),var(--card-glow);
}
.movie-card img{
  width:100%;aspect-ratio:2/3;object-fit:cover;
  background:var(--bg-secondary);
}
.movie-card-body{padding:14px}
.movie-card h3{
  font-size:0.95rem;font-weight:600;margin-bottom:4px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  color:var(--text-primary);
}
.movie-card .meta{font-size:0.8rem;color:var(--text-muted);margin-bottom:6px}
.movie-card .rating{
  display:flex;align-items:center;gap:4px;
  font-size:0.85rem;font-weight:700;color:var(--star-color);
}
.movie-card .tags{display:flex;gap:4px;flex-wrap:wrap;margin-top:6px}
.movie-card .tag{
  font-size:0.7rem;padding:2px 8px;border-radius:50px;
  background:var(--tag-bg);color:var(--tag-text);
}

/* 加载/空状态 */
.loading{text-align:center;padding:60px 20px;color:var(--text-muted)}
.spinner{display:inline-block;width:32px;height:32px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.empty{text-align:center;padding:60px 20px;color:var(--text-muted)}
.empty h3{font-size:1.2rem;margin-bottom:8px}

/* 详情页 */
.detail{padding:40px 20px 80px;max-width:1000px;margin:0 auto}
.detail-back{display:inline-flex;align-items:center;gap:6px;color:var(--text-secondary);font-size:0.9rem;margin-bottom:24px;transition:color .2s}
.detail-back:hover{color:var(--accent)}
.detail-header{display:flex;gap:32px;margin-bottom:40px}
@media(max-width:700px){.detail-header{flex-direction:column;gap:20px}}
.detail-poster{width:240px;flex-shrink:0}
.detail-poster img{width:100%;border-radius:var(--radius);aspect-ratio:2/3;object-fit:cover}
@media(max-width:700px){.detail-poster{width:160px;margin:0 auto}}
.detail-info h1{
  font-family:var(--font-heading);font-size:2rem;font-weight:800;
  margin-bottom:12px;color:var(--accent);
}
.detail-meta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:16px}
.detail-meta span{font-size:0.9rem;color:var(--text-secondary)}
.detail-meta .rating{color:var(--star-color);font-weight:700;font-size:1.1rem}
.detail-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px}
.detail-desc{color:var(--text-secondary);line-height:1.8;font-size:0.95rem;margin-bottom:24px}
.detail-section{margin-bottom:32px}
.detail-section h2{
  font-family:var(--font-heading);font-size:1.3rem;margin-bottom:16px;
  padding-bottom:8px;border-bottom:1px solid var(--border);
}

/* 影评 */
.review-card{
  padding:20px;background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius);margin-bottom:12px;
}
.review-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.review-author{font-weight:600;font-size:0.9rem}
.review-rating{color:var(--star-color);font-size:0.85rem}
.review-content{color:var(--text-secondary);font-size:0.9rem;line-height:1.7}

/* 页脚 */
.footer{
  padding:40px 20px;border-top:1px solid var(--border);
  text-align:center;color:var(--text-muted);font-size:0.8rem;
}

/* 移动端导航 */
@media(max-width:768px){
  .nav-links{display:none}
  .nav-links.open{
    display:flex;flex-direction:column;gap:0;
    position:absolute;top:60px;left:0;right:0;
    background:var(--nav-bg);border-bottom:1px solid var(--border);
    padding:12px 0;
  }
  .nav-links.open a{display:block;padding:14px 20px;border-bottom:1px solid var(--border)}
  .nav-toggle{display:block}
  .nav-search input{width:120px}
}

/* 分类页 */
.category-header{
  text-align:center;padding:60px 20px 40px;
  background:var(--hero-gradient);
}
.category-header h1{
  font-family:var(--font-heading);font-size:2rem;margin-bottom:8px;
  color:var(--accent);
}
.category-header p{color:var(--text-secondary)}