/* ===== Reset & Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --c-bg:#FFFFFF;--c-surface:#F9FAFB;--c-text:#111827;--c-text2:#6B7280;
  --c-primary:#2563EB;--c-primary-light:#DBEAFE;--c-amber:#F59E0B;
  --c-red:#EF4444;--c-green:#10B981;
  --c-border:#E5E7EB;--c-card:#FFFFFF;--c-nav:#FFFFFF;
  --c-tag-ai:#7C3AED;--c-tag-dev:#2563EB;--c-tag-design:#EC4899;
  --c-tag-plan:#F97316;--c-tag-data:#10B981;--c-tag-infra:#6366F1;
  --c-tag-web3:#8B5CF6;--c-tag-research:#06B6D4;
  --radius:8px;--shadow:0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);
  --shadow-md:0 4px 6px rgba(0,0,0,.05),0 2px 4px rgba(0,0,0,.03);
  --font-kr:'Noto Sans KR',sans-serif;
  --font-mono:'JetBrains Mono','Fira Code',monospace;
}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:var(--font-kr);background:var(--c-bg);color:var(--c-text);line-height:1.6}
a{color:var(--c-primary);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}

/* ===== Nav (Professional) ===== */
.nav{
  position:sticky;top:0;z-index:100;
  background:#fff;border-bottom:1px solid var(--c-border);
  padding:0 2rem;height:56px;
  display:flex;align-items:center;justify-content:space-between;
}
.nav-brand{
  font-size:1rem;font-weight:700;
  display:flex;align-items:center;gap:.5rem;
  color:var(--c-text);
}
.nav-brand:hover{text-decoration:none}
.nav-brand svg{width:22px;height:22px;flex-shrink:0}
.nav-actions{display:flex;align-items:center;gap:0}
.nav-actions a{
  color:var(--c-text2);font-size:.85rem;font-weight:500;
  padding:.5rem .75rem;border-radius:6px;
  display:flex;align-items:center;gap:.35rem;
  transition:background .15s,color .15s;
}
.nav-actions a:hover{background:var(--c-surface);color:var(--c-text);text-decoration:none}
.nav-actions a.active{color:var(--c-primary);font-weight:600}
.nav-actions a svg{width:16px;height:16px}

/* ===== Hero ===== */
.hero{text-align:center;padding:3rem 1.5rem 2rem;max-width:800px;margin:0 auto}
.hero h1{font-size:1.75rem;font-weight:800;color:var(--c-text)}
.hero .subtitle{color:var(--c-text2);font-size:.95rem;margin-top:.4rem}
.live-badge{
  display:inline-flex;align-items:center;gap:.4rem;
  background:var(--c-surface);border:1px solid var(--c-border);
  padding:.35rem .9rem;border-radius:2rem;font-size:.8rem;color:var(--c-text2);
  margin-top:.75rem;
}
.live-dot{width:7px;height:7px;border-radius:50%;background:var(--c-green);animation:pulse 1.5s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}

/* ===== Container ===== */
.container{max-width:1200px;margin:0 auto;padding:0 2rem}

/* ===== Keyword Tags Scroll ===== */
.keyword-scroll{display:flex;gap:.4rem;overflow-x:auto;padding:.75rem 0;scrollbar-width:thin}
.keyword-scroll::-webkit-scrollbar{height:3px}
.keyword-scroll::-webkit-scrollbar-thumb{background:var(--c-border);border-radius:2px}
.tag{
  display:inline-flex;align-items:center;gap:.25rem;
  padding:.25rem .6rem;border-radius:4px;
  font-size:.75rem;font-weight:500;white-space:nowrap;
  background:var(--c-surface);color:var(--c-text2);
  border:1px solid var(--c-border);
}
.tag[data-cat="AI"]{background:#F5F3FF;color:var(--c-tag-ai);border-color:#E9D5FF}
.tag[data-cat="Dev"]{background:#EFF6FF;color:var(--c-tag-dev);border-color:#BFDBFE}
.tag[data-cat="Design"]{background:#FDF2F8;color:var(--c-tag-design);border-color:#FBCFE8}
.tag[data-cat="기획"]{background:#FFF7ED;color:var(--c-tag-plan);border-color:#FED7AA}
.tag[data-cat="Data"]{background:#ECFDF5;color:var(--c-tag-data);border-color:#A7F3D0}
.tag[data-cat="Infra"]{background:#EEF2FF;color:var(--c-tag-infra);border-color:#C7D2FE}
.tag[data-cat="Web3"]{background:#F5F3FF;color:var(--c-tag-web3);border-color:#DDD6FE}
.tag[data-cat="Research"]{background:#ECFEFF;color:var(--c-tag-research);border-color:#A5F3FC}
.tag[data-cat="Robotics"]{background:#FFFBEB;color:#B45309;border-color:#FDE68A}
.tag .delta{font-size:.65rem;font-weight:700}
.tag .delta.up{color:var(--c-green)}
.tag .delta.down{color:var(--c-red)}

/* ===== Section Titles ===== */
.section-title{font-size:1.1rem;font-weight:700;margin:2rem 0 .75rem;display:flex;align-items:center;gap:.4rem;color:var(--c-text)}

/* ===== Timeline ===== */
.timeline{position:relative;padding-left:1.5rem}
.timeline::before{content:'';position:absolute;left:.5rem;top:0;bottom:0;width:2px;background:var(--c-border)}
.timeline-item{position:relative;margin-bottom:1rem;padding-left:1.5rem}
.timeline-item::before{content:'';position:absolute;left:-1.25rem;top:.7rem;width:10px;height:10px;border-radius:50%;background:var(--c-primary);border:2px solid #fff;box-shadow:0 0 0 2px var(--c-border);z-index:1}
.timeline-item:first-child::before{background:var(--c-green);box-shadow:0 0 0 2px #D1FAE5}
.timeline-card{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);padding:1rem 1.25rem;box-shadow:var(--shadow);transition:box-shadow .2s}
.timeline-card:hover{box-shadow:var(--shadow-md)}
.timeline-header{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:.4rem;margin-bottom:.4rem}
.timeline-date{font-weight:600;font-size:.9rem;color:var(--c-text)}
.folder-badge{font-family:var(--font-mono);font-size:.7rem;background:var(--c-primary);color:#fff;padding:.1rem .45rem;border-radius:3px}
.new-badge{font-size:.65rem;background:var(--c-green);color:#fff;padding:.1rem .35rem;border-radius:3px;font-weight:600}
.timeline-summary{color:var(--c-text2);font-size:.85rem;margin-bottom:.5rem}
.timeline-tags{display:flex;flex-wrap:wrap;gap:.25rem;margin-bottom:.5rem}
.timeline-links{display:flex;flex-wrap:wrap;gap:.35rem}
.timeline-links a{
  font-size:.75rem;padding:.2rem .5rem;
  border:1px solid var(--c-border);border-radius:4px;
  color:var(--c-text2);display:inline-flex;align-items:center;gap:.2rem;
}
.timeline-links a:hover{border-color:var(--c-primary);color:var(--c-primary);text-decoration:none}

/* ===== Chart Section ===== */
.chart-section{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);padding:1.25rem;margin:1.5rem 0;box-shadow:var(--shadow)}
.chart-toggles{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:.75rem}
.chart-toggle{display:flex;align-items:center;gap:.25rem;font-size:.75rem;cursor:pointer;padding:.15rem .4rem;border-radius:4px;border:1px solid var(--c-border);background:#fff}
.chart-toggle input{accent-color:var(--c-primary);width:14px;height:14px}
.chart-container{position:relative;height:320px}

/* ===== Search & Filter ===== */
.search-bar{display:flex;gap:.5rem;margin:1rem 0;flex-wrap:wrap}
.search-bar input{
  flex:1;min-width:200px;padding:.55rem .9rem;
  border:1px solid var(--c-border);border-radius:var(--radius);
  background:#fff;color:var(--c-text);font-size:.85rem;
}
.search-bar input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(37,99,235,.1)}
.filter-pills{display:flex;gap:.3rem;flex-wrap:wrap}
.filter-pill{
  padding:.3rem .65rem;border:1px solid var(--c-border);border-radius:2rem;
  font-size:.75rem;cursor:pointer;background:#fff;color:var(--c-text2);
  font-weight:500;transition:all .15s;
}
.filter-pill.active,.filter-pill:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}

/* ===== Detail Page ===== */
.page-header{padding:1.5rem 0 1rem;border-bottom:1px solid var(--c-border);margin-bottom:1.25rem}
.page-header .back-link{font-size:.85rem;color:var(--c-text2)}
.page-nav{display:flex;justify-content:space-between;align-items:center;margin-top:.5rem}
.page-nav a{font-size:.8rem;color:var(--c-text2)}
.summary-banner{
  background:linear-gradient(135deg,#2563EB,#3B82F6);
  color:#fff;border-radius:var(--radius);
  padding:1.25rem;margin-bottom:1.25rem;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:.75rem;
}
.summary-stat{text-align:center}
.summary-stat .num{font-size:1.4rem;font-weight:800}
.summary-stat .label{font-size:.7rem;opacity:.85}

/* ===== Tabs ===== */
.tabs{display:flex;gap:0;border-bottom:1px solid var(--c-border);margin-bottom:1.25rem;overflow-x:auto}
.tab-btn{
  padding:.55rem .9rem;font-size:.8rem;font-weight:500;
  border:none;background:none;cursor:pointer;
  color:var(--c-text2);border-bottom:2px solid transparent;
  margin-bottom:-1px;white-space:nowrap;transition:all .15s;
}
.tab-btn:hover{color:var(--c-text)}
.tab-btn.active{color:var(--c-primary);border-bottom-color:var(--c-primary);font-weight:600}
.tab-content{display:none}
.tab-content.active{display:block}

/* ===== Company Cards ===== */
.company-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:.75rem}
.company-card{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:box-shadow .2s}
.company-card:hover{box-shadow:var(--shadow-md)}
.company-card-header{padding:1rem;cursor:pointer;display:flex;align-items:flex-start;gap:.6rem}
.company-rank{font-size:1rem;font-weight:800;color:var(--c-primary);min-width:2rem}
.company-info{flex:1}
.company-name{font-weight:700;font-size:.95rem}
.company-meta{font-size:.78rem;color:var(--c-text2);margin-top:.15rem}
.company-tags{display:flex;flex-wrap:wrap;gap:.2rem;margin-top:.35rem}
.company-tags .tag{font-size:.65rem;padding:.1rem .35rem}
.company-toggle{font-size:.75rem;color:var(--c-text2);cursor:pointer;align-self:center}
.company-detail{display:none;border-top:1px solid var(--c-border);padding:1rem;font-size:.85rem;background:var(--c-surface)}
.company-detail.open{display:block}
.company-detail h4{font-size:.8rem;font-weight:600;margin:.75rem 0 .35rem;color:var(--c-primary)}
.company-detail h4:first-child{margin-top:0}
.company-detail ul{padding-left:1.2rem}
.company-detail li{margin-bottom:.2rem}
.company-detail .data-links{display:flex;gap:.35rem;margin-top:.5rem;flex-wrap:wrap}
.company-detail .data-links a{font-size:.7rem;padding:.15rem .4rem;border:1px solid var(--c-border);border-radius:4px;background:#fff}

/* ===== Hot Keywords ===== */
.hot-keywords{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:.6rem;margin-bottom:1.25rem}
.hot-keyword-card{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);padding:.75rem;display:flex;align-items:center;gap:.6rem;box-shadow:var(--shadow)}
.hot-rank{font-size:1.3rem;font-weight:900;color:var(--c-amber)}
.hot-info .kw-name{font-weight:600;font-size:.88rem}
.hot-info .kw-delta{font-size:.75rem;font-weight:600}
.kw-delta.up{color:var(--c-green)}
.kw-delta.down{color:var(--c-red)}

/* ===== Jobs Table ===== */
.jobs-category{margin-bottom:1.25rem}
.jobs-category h3{font-size:.95rem;font-weight:700;margin-bottom:.5rem;color:var(--c-primary)}
.jobs-table{width:100%;border-collapse:collapse;font-size:.83rem}
.jobs-table th{text-align:left;padding:.45rem .6rem;background:var(--c-surface);border-bottom:2px solid var(--c-border);font-weight:600;font-size:.75rem;color:var(--c-text2);text-transform:uppercase;letter-spacing:.02em}
.jobs-table td{padding:.45rem .6rem;border-bottom:1px solid var(--c-border)}
.jobs-table tr:hover td{background:var(--c-surface)}

/* ===== Org Chart ===== */
.org-tree{padding:.75rem}
.org-node{margin-left:1.25rem;padding:.2rem 0}
.org-node-label{font-weight:500;padding:.25rem .5rem;background:var(--c-surface);border:1px solid var(--c-border);border-radius:4px;display:inline-block;font-size:.8rem}
.org-node-label.ceo{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.org-node-label.division{border-color:var(--c-primary);color:var(--c-primary);font-weight:600}
.org-children{border-left:2px solid var(--c-border);margin-left:.4rem;padding-left:.4rem}

/* ===== News Cards ===== */
.news-list{display:grid;gap:.5rem}
.news-item{display:flex;gap:.6rem;align-items:flex-start;padding:.6rem;background:#fff;border:1px solid var(--c-border);border-radius:var(--radius)}
.news-item .news-source{font-size:.7rem;color:var(--c-text2);min-width:70px;font-weight:500}
.news-item .news-title{font-size:.85rem;font-weight:500;flex:1;color:var(--c-text)}
.news-item .news-date{font-size:.7rem;color:var(--c-text2);white-space:nowrap}

/* ===== Data Files Section ===== */
.data-files{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius);padding:.75rem;margin-top:1.5rem}
.data-files h3{font-size:.9rem;font-weight:600;margin-bottom:.5rem}
.data-files-grid{display:flex;flex-wrap:wrap;gap:.35rem}
.data-file-link{
  font-size:.75rem;padding:.2rem .5rem;
  border:1px solid var(--c-border);border-radius:4px;
  font-family:var(--font-mono);color:var(--c-text2);
  display:inline-flex;align-items:center;gap:.2rem;background:#fff;
}
.data-file-link:hover{border-color:var(--c-primary);color:var(--c-primary);text-decoration:none}

/* ===== Footer ===== */
.footer{text-align:center;padding:1.5rem;margin-top:2.5rem;border-top:1px solid var(--c-border);color:var(--c-text2);font-size:.8rem}

/* ===== Responsive ===== */
@media(max-width:768px){
  .nav{padding:0 .75rem;height:auto;min-height:48px;flex-wrap:wrap;gap:.25rem}
  .nav-brand{font-size:.9rem;padding:.5rem 0}
  .nav-actions{overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;gap:0;flex-shrink:0;width:100%;padding-bottom:.4rem;justify-content:flex-start}
  .nav-actions::-webkit-scrollbar{display:none}
  .nav-actions a{font-size:.75rem;padding:.3rem .5rem;white-space:nowrap;flex-shrink:0}
  .container{padding:0 1rem}
  .hero h1{font-size:1.35rem}
  .company-grid{grid-template-columns:1fr}
  .summary-banner{grid-template-columns:repeat(2,1fr)}
  .chart-container{height:240px}
  .hot-keywords{grid-template-columns:1fr 1fr}
}
@media(max-width:480px){
  .hot-keywords{grid-template-columns:1fr}
  .summary-banner{grid-template-columns:1fr 1fr}
}