/* ============================================================
   申论素材库 — Design System v4
   Editorial · Mobile-First · Entrance Animation
   ============================================================ */

:root {
  --red: #C41230; --red-dark: #9B1B2A; --red-light: #FDF0F2;
  --ink: #1A1A1A; --ink-2: #555; --ink-3: #999;
  --bg: #F4F1EC; --paper: #FFFDF9;
  --border: #E6E0D8; --border-light: #F0ECE5;
  --shadow-xs: 0 1px 2px rgba(0,0,0,.04);
  --shadow-sm: 0 2px 8px rgba(0,0,0,.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,.08);
  --radius-sm: 6px; --radius-md: 10px; --radius-lg: 16px;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-serif: "STSong", "SimSun", "宋体", serif;
  --transition: 160ms cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:var(--font-sans);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:#D5CFC5;border-radius:3px}

/* ============================================================
   入场动画 — Splash + Staggered Reveal
   ============================================================ */

/* Splash 遮罩 */
.splash-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: linear-gradient(135deg, var(--red-dark), var(--red));
  display: flex; align-items: center; justify-content: center;
  animation: splashOut .5s cubic-bezier(.4,0,.2,1) .8s forwards;
}
.splash-overlay .splash-icon {
  animation: splashPulse .6s ease-out;
}
.splash-overlay .splash-icon svg { width: 64px; height: 64px; }
.splash-overlay .splash-text {
  color: #fff; font-size: 22px; font-weight: 700; letter-spacing: 2px;
  margin-top: 12px; opacity: 0;
  animation: splashTextIn .4s ease-out .2s forwards;
}

@keyframes splashPulse {
  0% { transform: scale(.3); opacity: 0; }
  60% { transform: scale(1.1); }
  100% { transform: scale(1); opacity: 1; }
}
@keyframes splashTextIn {
  to { opacity: 1; transform: translateY(0); }
  from { opacity: 0; transform: translateY(10px); }
}
@keyframes splashOut {
  to { opacity: 0; pointer-events: none; transform: scale(1.05); }
}

/* 主内容入场 — 只用opacity避免创建containing block破坏fixed定位 */
.app-content { animation: contentReveal .5s ease-out .6s both; }
@keyframes contentReveal {
  from { opacity: 0; }
  to { opacity: 1; }
}
/* 卡片交错入场 */
.article-card { animation: cardEnter .4s ease-out both; }
.article-card:nth-child(1){animation-delay:.7s}
.article-card:nth-child(2){animation-delay:.74s}
.article-card:nth-child(3){animation-delay:.78s}
.article-card:nth-child(4){animation-delay:.82s}
.article-card:nth-child(5){animation-delay:.86s}
.article-card:nth-child(6){animation-delay:.9s}
.article-card:nth-child(7){animation-delay:.94s}
.article-card:nth-child(8){animation-delay:.98s}
.article-card:nth-child(n+9){animation-delay:1.02s}
@keyframes cardEnter {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== Navbar ========== */
.navbar{background:linear-gradient(135deg,var(--red-dark),var(--red));box-shadow:0 2px 16px rgba(196,18,48,.25);padding:10px 0;position:sticky;top:0;z-index:1000}
.navbar .container-fluid{display:flex;align-items:center}
.navbar-brand{font-size:17px;font-weight:700;letter-spacing:.5px;display:flex;align-items:center;gap:8px;color:#fff!important;flex-shrink:0}
.navbar .nav-stat{color:rgba(255,255,255,.8);font-size:13px;display:flex;align-items:center;gap:4px;white-space:nowrap}
.navbar .nav-stat strong{color:#fff;font-size:16px}
.navbar .nav-divider{width:1px;height:24px;background:rgba(255,255,255,.3);margin:0 8px}

.btn-nav{font-size:13px;font-weight:600;padding:6px 14px;border-radius:var(--radius-sm);background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.3);color:#fff;cursor:pointer;transition:all var(--transition);white-space:nowrap;min-height:36px}
.btn-nav:hover{background:rgba(255,255,255,.2)}
.btn-nav-primary{font-size:13px;font-weight:600;padding:6px 14px;border-radius:var(--radius-sm);background:#FFB300;border:1px solid #FFB300;color:#3E2700;cursor:pointer;transition:all var(--transition);white-space:nowrap;margin-left:8px;min-height:36px}
.btn-nav-primary:hover{background:#FFA000}
.btn-nav-primary:disabled{opacity:.5;cursor:not-allowed}
.btn-nav-success{font-size:13px;font-weight:600;padding:6px 14px;border-radius:var(--radius-sm);background:#43A047;border:1px solid #43A047;color:#fff;cursor:pointer;transition:all var(--transition);white-space:nowrap;margin-left:8px;min-height:36px}
.btn-nav-success:hover{background:#388E3C}
.btn-nav-success:disabled{opacity:.4;cursor:not-allowed}

/* 移动端：详情返回按钮 */
.btn-back{display:none}

/* ========== Container ========== */
.container-fluid{max-width:1440px;padding:0 28px}

/* ========== Search Bar ========== */
.search-bar{background:var(--paper);border:1px solid var(--border);border-radius:var(--radius-md);padding:12px 16px;margin-bottom:12px;box-shadow:var(--shadow-xs)}
.search-bar .form-control,.search-bar .form-select{border:1px solid var(--border);font-size:14px;transition:all var(--transition);min-height:40px}
.search-bar .form-control:focus,.search-bar .form-select:focus{border-color:var(--red);box-shadow:0 0 0 3px rgba(196,18,48,.08);outline:none}
.search-bar .input-group-text{background:var(--paper);border-color:var(--border);color:var(--ink-3)}
.btn-primary{background:var(--red)!important;border-color:var(--red)!important;font-weight:600;min-height:40px}

/* ========== Category Filter Chips ========== */
.category-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding:2px 0}
.category-chips::-webkit-scrollbar{display:none}
.cat-chip{padding:7px 18px;border-radius:20px;font-size:13px;font-weight:600;cursor:pointer;border:2px solid transparent;background:#EEECE7;color:var(--ink-2);transition:all .2s ease;user-select:none;display:inline-flex;align-items:center;gap:5px;white-space:nowrap;min-height:36px;letter-spacing:.3px}
.cat-chip:active{transform:scale(.95)}
.cat-chip:hover{background:#E0DDD6;color:var(--ink)}
.cat-chip.active{background:#1976D2;border-color:#1976D2;color:#FFF;box-shadow:0 3px 12px rgba(25,118,210,.35);font-weight:700}
.cat-chip .chip-count{font-weight:500;font-size:11px;background:rgba(0,0,0,.1);padding:2px 8px;border-radius:10px;min-width:22px;text-align:center}
.cat-chip.active .chip-count{background:rgba(255,255,255,.25);color:#fff}

/* ========== Toolbar ========== */
.toolbar{display:flex;align-items:center;gap:16px;margin-bottom:10px;padding:4px 0}
.toolbar .select-all{cursor:pointer;font-size:13px;color:var(--ink-2);display:flex;align-items:center;gap:6px;user-select:none}
.toolbar .result-count{font-size:13px;color:var(--ink-3)}
.toolbar .result-count strong{color:var(--ink)}
.toolbar .sep{color:var(--border);margin:0 4px}
.toolbar .btn-outline-danger{border-color:#E8D0D5;color:var(--red-dark);font-size:12px;min-height:36px}

/* ========== States ========== */
.loading-state{text-align:center;padding:80px 0;color:var(--ink-3)}
.loading-state .spinner-border{color:var(--red)!important;width:36px;height:36px}
.empty-state{text-align:center;padding:80px 0}
.empty-state h3{font-size:18px;color:var(--ink-2);margin:16px 0 4px}
.empty-state p{font-size:14px;color:var(--ink-3)}

/* ========== Article Card ========== */
.article-card{background:var(--paper);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:8px;cursor:pointer;transition:all var(--transition);overflow:hidden;position:relative;-webkit-tap-highlight-color:transparent}
.article-card:active{transform:scale(.985)}
.article-card:hover{border-color:#D5C8C0;box-shadow:var(--shadow-md);transform:translateY(-1px)}
.article-card.selected{border-color:var(--red);background:#FFFAFA;box-shadow:0 0 0 2px rgba(196,18,48,.08)}
.article-card::before{content:'';position:absolute;left:0;top:0;bottom:0;width:4px;border-radius:4px 0 0 4px}
.accent-经济发展::before{background:#C0392B}.accent-民生保障::before{background:#D35400}
.accent-法治建设::before{background:#2471A3}.accent-乡村振兴::before{background:#1E8449}
.accent-青年成长::before{background:#7D3C98}.accent-文化建设::before{background:#B9770E}
.accent-生态文明::before{background:#117A65}.accent-思想理论::before{background:#9B1B2A}

.card-inner{display:flex;align-items:flex-start;padding:12px 14px;gap:10px}
.card-checkbox{flex-shrink:0;margin-top:4px;accent-color:var(--red);width:18px;height:18px;cursor:pointer}
.card-content{flex:1;min-width:0}
.article-title{font-size:15px;font-weight:700;color:var(--ink);line-height:1.5;margin:0 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-card:hover .article-title{color:var(--red-dark)}
.card-meta{display:flex;flex-wrap:wrap;align-items:center;gap:4px;margin-bottom:5px}
.card-meta .meta-sep{color:var(--border);font-size:10px;margin:0 1px}
.meta-text{font-size:12px;color:var(--ink-3);white-space:nowrap}
.summary-preview{font-size:13px;line-height:1.6;color:var(--ink-3);margin-bottom:5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-tags{display:flex;flex-wrap:wrap;gap:4px}
.tag-chip{font-size:11px;background:#F0EDE6;color:#6B6358;padding:2px 8px;border-radius:10px;font-weight:500}

/* ========== Source & Category Badges ========== */
.source-badge{font-size:11px;padding:3px 10px;border-radius:12px;color:#fff;font-weight:600;white-space:nowrap;display:inline-flex;align-items:center;gap:5px;box-shadow:0 1px 2px rgba(0,0,0,.1)}
.source-badge img{width:15px;height:15px;border-radius:2px}
.src-人民网观点{background:#C41230}.src-人民时评{background:#C41230}.src-政策解读{background:#8B1A2B}
.src-央视新闻{background:#1565C0}.src-央视网评论{background:#1565C0}
.src-学习强国{background:#E60012}.src-光明日报{background:#1B3A7C}.src-光明网评论{background:#1B3A7C}
.src-澎湃新闻{background:#E85525}.src-澎湃评论{background:#E85525}.src-澎湃时事{background:#E85525}
.category-badge{font-size:10px;padding:3px 9px;border-radius:10px;color:#fff;font-weight:600;white-space:nowrap}
.cat-经济发展{background:#C0392B}.cat-民生保障{background:#D35400}.cat-法治建设{background:#2471A3}
.cat-乡村振兴{background:#1E8449}.cat-青年成长{background:#7D3C98}.cat-文化建设{background:#B9770E}
.cat-生态文明{background:#117A65}.cat-思想理论{background:#9B1B2A}

/* ========== Pagination ========== */
.pagination-wrapper{display:flex;justify-content:center;align-items:center;gap:2px;margin-top:16px;padding-bottom:20px;font-size:14px;flex-wrap:wrap}
.pagination-wrapper .page-btn{border:1px solid var(--border);background:var(--paper);color:var(--ink-2);padding:8px 14px;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition);font-weight:500;user-select:none;min-width:40px;text-align:center;min-height:40px;display:inline-flex;align-items:center;justify-content:center}
.pagination-wrapper .page-btn:hover:not(.disabled){border-color:var(--red);color:var(--red);background:var(--red-light)}
.pagination-wrapper .page-btn.active{background:var(--red);border-color:var(--red);color:#fff;font-weight:700}
.pagination-wrapper .page-btn.disabled{opacity:.3;cursor:not-allowed;pointer-events:none}
.pagination-wrapper .page-info{color:var(--ink-3);margin-left:10px;font-size:13px}

/* ========== Detail Panel ========== */
.detail-empty{text-align:center;padding:80px 0;background:var(--paper);border:1px solid var(--border);border-radius:var(--radius-lg)}
.detail-empty h3{font-size:18px;color:var(--ink-2);margin:16px 0 4px}
.detail-dismiss{display:none}
.detail-card{background:var(--paper);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-xs)}
.detail-header{display:flex;align-items:center;justify-content:space-between;padding:12px 18px;background:linear-gradient(135deg,#FAF7F3,#F5F0EB);border-bottom:1px solid var(--border);gap:8px;flex-wrap:wrap}
.detail-header-left{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.detail-header-left .meta-sep{color:var(--border)}
.detail-actions{display:flex;gap:5px;flex-shrink:0}
.detail-body{padding:0;max-height:70vh;overflow-y:auto}
.detail-section{margin:16px 18px;padding:16px 18px;border:1px solid var(--border);border-radius:var(--radius-md);background:#FCFAF7;box-shadow:var(--shadow-xs)}
.detail-section:first-child{margin-top:14px}
.detail-section+.detail-section{margin-top:0}
.detail-title{font-size:19px;font-weight:700;line-height:1.5;color:var(--ink);margin:0 0 4px;padding:14px 18px 0}
.section-title{font-size:12px;font-weight:700;color:var(--ink-2);margin:0 0 8px;display:flex;align-items:center;gap:6px;text-transform:uppercase;letter-spacing:.5px}
.word-count{font-weight:400;color:var(--ink-3);text-transform:none;letter-spacing:0;margin-left:auto;font-size:12px}
.section-text{font-size:14px;line-height:1.7;color:var(--ink-2);margin:0}

.golden-box{background:linear-gradient(135deg,#FFFDF5,#FFF9E6);border-left:4px solid #D4A017;padding:12px 14px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;max-height:280px;overflow-y:auto}
.golden-item{padding:6px 0;border-bottom:1px dashed #E8DCC0;line-height:1.8;font-size:13px;color:#5C4A10}
.golden-item::before{content:'✦ ';color:#D4A017;font-size:10px}
.golden-item:last-child{border-bottom:none}
.measure-box{background:linear-gradient(135deg,#F5F9FF,#EBF3FC);border-left:4px solid #3A7BD5;padding:12px 14px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;max-height:280px;overflow-y:auto}
.measure-item{padding:6px 0;border-bottom:1px dashed #CCDFF0;line-height:1.8;font-size:13px;color:#1A3A5C}
.measure-item::before{content:'▸ ';color:#3A7BD5;font-size:10px}
.measure-item:last-child{border-bottom:none}
.content-text{white-space:pre-wrap;line-height:2;font-family:var(--font-serif);font-size:14px;max-height:420px;overflow-y:auto;padding:0;color:#333}
.empty-hint{color:var(--ink-3);font-size:13px;font-style:italic}
.short-article-hint{color:#B8860B;font-style:italic;background:#FFFDE8;padding:8px 12px;border-radius:6px;border-left:3px solid #D4A017}
.short-hint{color:#8B7355!important}.short-hint::before{content:'ℹ ';font-style:normal}

/* Forms */
.form-control-sm,.form-select-sm{border:1px solid var(--border);font-size:13px;padding:6px 10px;min-height:36px}
.form-control-sm:focus,.form-select-sm:focus{border-color:var(--red);box-shadow:0 0 0 2px rgba(196,18,48,.08);outline:none}

/* ========== Modal ========== */
.modal-content{border:none;border-radius:var(--radius-lg);box-shadow:0 12px 40px rgba(0,0,0,.15)}
.modal-header{background:linear-gradient(135deg,#FAF7F3,#F5F0EB);border-bottom:1px solid var(--border);border-radius:var(--radius-lg) var(--radius-lg) 0 0;padding:14px 20px}
.modal-header .modal-title{font-weight:700;font-size:16px}
.modal-body{padding:20px}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(90px,1fr));gap:10px}
.stat-card{background:linear-gradient(135deg,#FAF7F3,#F5F0EB);border:1px solid var(--border);border-radius:var(--radius-md);padding:14px;text-align:center}
.stat-number{font-size:26px;font-weight:800;color:var(--red)}
.stat-label{font-size:11px;color:var(--ink-3);margin-top:2px}
.scrape-stats{display:flex;justify-content:center;gap:28px}
.scrape-stat{text-align:center}.scrape-num{display:block;font-size:26px;font-weight:800}
.scrape-label{font-size:12px;color:var(--ink-3);margin-top:2px}

/* ========== Theory Overlay Panel ========== */
.theory-overlay{position:fixed;inset:0;z-index:9999;background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center;animation:fadeIn2 .2s ease-out}
.theory-panel{width:min(800px,92vw);max-height:85vh;background:var(--paper);border-radius:var(--radius-lg);box-shadow:0 16px 48px rgba(0,0,0,.2);display:flex;flex-direction:column;overflow:hidden}
.theory-panel-header{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;background:linear-gradient(135deg,var(--red-dark),var(--red));color:#fff;flex-shrink:0}
.theory-panel-header h5{font-size:17px;font-weight:700;margin:0}
.theory-panel-header .btn-close{filter:invert(1);opacity:.8}
.theory-panel-body{overflow-y:auto;padding:16px 20px;flex:1}
.theory-block{border:1px solid var(--border);border-radius:var(--radius-md);padding:14px 16px;margin-bottom:12px;background:#FCFAF7}
.theory-block-title{font-size:15px;font-weight:700;color:var(--red-dark);margin:0 0 6px;padding-bottom:6px;border-bottom:2px solid var(--red-light)}
.theory-overview{font-size:13px;line-height:1.7;color:var(--ink-2);margin-bottom:8px}
.theory-points{margin:0;padding-left:18px}
.theory-points li{font-size:13px;line-height:1.8;color:var(--ink);padding:2px 0}
.theory-points li::marker{color:var(--red)}
@keyframes fadeIn2{from{opacity:0}to{opacity:1}}

/* ============================================================
   手机端适配 (max-width: 768px)
   ============================================================ */
@media(max-width:768px){
  /* Navbar 压缩 */
  .navbar{padding:8px 0}
  .navbar-brand{font-size:14px}
  .navbar-brand svg{width:18px;height:18px}
  .navbar .nav-stat{display:none}
  .navbar .nav-divider{display:none}
  .btn-nav{padding:6px 10px;font-size:12px}
  .btn-nav-primary,.btn-nav-success{padding:6px 10px;font-size:12px;margin-left:6px}

  .container-fluid{padding:0 12px}

  /* 搜索栏堆叠 */
  .search-bar{padding:10px 12px}
  .search-bar .row>div{margin-bottom:6px}
  .search-bar .row>div:last-child{margin-bottom:0}

  /* 分类芯片换行 */
  .category-chips{flex-wrap:wrap;gap:6px}
  .cat-chip{padding:5px 12px;font-size:11px}

  /* 工具栏 */
  .toolbar{gap:10px;flex-wrap:wrap}
  .toolbar .select-all{font-size:12px}
  .toolbar .result-count{font-size:12px}

  /* 卡片 */
  .card-inner{padding:10px 10px;gap:8px}
  .card-checkbox{width:20px;height:20px}
  .article-title{font-size:14px}
  .card-meta{gap:3px}
  .meta-text{font-size:11px}

  /* === 手机端布局: 列表/详情切换 === */
  .col-lg-5{display:none}
  .col-lg-5.show-detail{
    display:block;position:fixed;top:0;left:0;right:0;bottom:0;
    z-index:9999;background:var(--bg);overflow-y:auto;
    padding:12px 12px 80px;
    animation: slideUp .25s ease-out;
  }
  .col-lg-7.hide-list{display:none}
  /* 详情全屏时隐藏导航栏 + 重置父级transform */
  body.detail-open .navbar{display:none}
  body.detail-open .app-content{animation:none;transform:none!important}
  body.detail-open .col-lg-5.show-detail{position:fixed;top:0;left:0;right:0;bottom:0}

  /* 返回按钮 */
  .btn-back{display:inline-flex;align-items:center;gap:4px;background:none;border:none;color:var(--red);font-size:14px;font-weight:600;cursor:pointer;padding:8px 0;margin-bottom:8px}
  .btn-back:active{opacity:.6}

  /* 详情面板全屏 */
  .detail-empty{border-radius:var(--radius-md);padding:60px 0}
  .detail-card{border-radius:var(--radius-md);box-shadow:none}
  .detail-body{max-height:none}
  .detail-section{margin:12px 0;padding:14px}
  .detail-header{padding:10px 14px;flex-direction:column;align-items:flex-start}
  .detail-header-left{gap:4px}
  .detail-actions{align-self:flex-end}
  .detail-title{font-size:17px;padding:12px 14px 0}
  .content-text{max-height:none;font-size:15px}
  .golden-box,.measure-box{max-height:none}

  /* 分页 — 紧凑 */
  .pagination-wrapper{gap:1px}
  .pagination-wrapper .page-btn{padding:6px 10px;min-width:36px;min-height:36px;font-size:13px}
  .pagination-wrapper .page-info{font-size:12px;margin-left:6px}

  /* Modal手机适配 */
  .modal-dialog{margin:16px}
  .stats-grid{grid-template-columns:repeat(3,1fr);gap:8px}
  .stat-card{padding:10px}.stat-number{font-size:20px}
  .scrape-stats{gap:16px}
}

/* ============================================================
   平板适配 (768px - 992px)
   ============================================================ */
@media(min-width:769px) and (max-width:992px){
  .container-fluid{padding:0 18px}
  .detail-body{max-height:60vh}
  .col-lg-7{width:55%}.col-lg-5{width:45%}
  .detail-section{margin:12px 14px;padding:12px 14px}
}

/* 偏好: 减弱动画 */
@media(prefers-reduced-motion:reduce){
  .article-card,.splash-overlay,.app-content{animation:none!important}
  *{transition-duration:0ms!important}
}