/*
  AICDB - Government Portal UI (V2)
  Goals: clean, coordinated, minimal, readable. No external dependencies.
*/

:root{
  --primary:#0b3d91;
  --primary-2:#0a2f6b;
  --accent:#0a7bc2;

  --bg:#f6f8fc;
  --surface:#ffffff;
  --surface-2:#f8fafc;
  --text:#0f172a;
  --muted:#475569;
  --muted-2:#64748b;
  --border:#e2e8f0;
  --border-2:#cbd5e1;

  --radius:12px;
  --radius-sm:10px;

  --shadow-1: 0 1px 2px rgba(0,0,0,.06);
  --shadow-2: 0 10px 30px rgba(2,12,27,.10);

  --focus: 0 0 0 4px rgba(10,123,194,.18);

  --maxw: 1240px;
  --gap: 16px;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
}

*{box-sizing:border-box;}
html,body{height:100%;}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  font-size:14px;
}

a{color:var(--primary); text-decoration:none;}
a:hover{text-decoration:underline;}

/* Accessibility */
.sr-only{
  position:absolute !important;
  width:1px; height:1px;
  padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0);
  border:0;
}
.skip{
  position:absolute;
  left:-999px;
  top:8px;
  padding:8px 12px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:10px;
  box-shadow:var(--shadow-1);
  z-index:999;
}
.skip:focus{left:12px; outline:none; box-shadow:var(--focus);}

/* Layout */
.container{
  max-width:var(--maxw);
  margin:0 auto;
  padding:18px;
}

.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:linear-gradient(90deg, var(--primary), var(--primary-2));
  color:#fff;
  box-shadow:0 10px 28px rgba(0,0,0,.12);
}

.topbar{
  border-bottom:1px solid rgba(255,255,255,.14);
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding-top:10px;
  padding-bottom:10px;
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:280px;
}
.brand-logo{
  width:38px;
  height:38px;
  border-radius:12px;
  background:rgba(255,255,255,.14);
  padding:7px;
  border:1px solid rgba(255,255,255,.22);
}
.brand-title{
  font-size:16px;
  font-weight:800;
  letter-spacing:.3px;
}
.brand-sub{
  font-size:12px;
  opacity:.92;
  margin-top:2px;
}

.top-search{
  display:flex;
  align-items:center;
  gap:10px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.22);
  border-radius:999px;
  padding:6px 10px;
  min-width:360px;
}
.top-search input{
  border:none;
  outline:none;
  background:transparent;
  color:#fff;
  font-size:13px;
  width:100%;
}
.top-search input::placeholder{color:rgba(255,255,255,.78);}

.navwrap{
  background:rgba(0,0,0,.04);
}
.nav{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
  padding-top:10px;
  padding-bottom:10px;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:8px 12px;
  border-radius:999px;
  color:#fff;
  font-size:13px;
  opacity:.92;
  white-space:nowrap;
  border:1px solid transparent;
}
.nav-link:hover{
  text-decoration:none;
  background:rgba(255,255,255,.12);
  opacity:1;
}
.nav-link.active{
  background:rgba(255,255,255,.18);
  border-color:rgba(255,255,255,.22);
  opacity:1;
}

/* Breadcrumbs */
.breadcrumbs{
  margin:10px 0 14px;
  font-size:12px;
  color:var(--muted-2);
}
.bc-item{color:var(--muted-2);}
a.bc-item{color:var(--muted-2);}
a.bc-item:hover{color:#334155; text-decoration:underline;}
.bc-sep{margin:0 8px; color:#94a3b8;}

/* Page head */
.page-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:14px;
  margin:10px 0 16px;
}
.page-title{
  margin:0;
  font-size:26px;
  font-weight:850;
  letter-spacing:.2px;
}
.page-desc{
  margin:8px 0 0;
  color:var(--muted);
  font-size:14px;
}
.flex{display:flex; gap:10px; align-items:center; flex-wrap:wrap;}

/* Grid */
.grid{display:grid; gap:var(--gap);}
.grid-2{grid-template-columns:repeat(2, minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3, minmax(0,1fr));}
.grid-4{grid-template-columns:repeat(4, minmax(0,1fr));}

/* Card */
.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.card:hover{box-shadow:var(--shadow-2);}
.card-body{padding:14px 16px;}
.card-footer{
  padding:10px 16px 14px;
  border-top:1px solid var(--border);
  background:linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
}
.card-title{
  font-size:15px;
  font-weight:800;
  margin:0 0 8px;
  color:#0b2f66;
}
.card-desc{
  margin:0;
  color:var(--muted);
  font-size:13px;
}
.card-meta{
  margin-top:10px;
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  align-items:center;
}
.card-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--primary);
  font-size:13px;
  font-weight:700;
}
.card-link:hover{text-decoration:none;}
.card-link:after{content:'→'; opacity:.8;}

/* Home/Analysis KPI */
.hero{
  padding:16px;
  border:1px solid var(--border);
  border-radius:16px;
  background:linear-gradient(180deg, #ffffff 0%, #f6fbff 100%);
  box-shadow:var(--shadow-1);
}
.kpi-grid{display:grid; gap:var(--gap); grid-template-columns:repeat(4, minmax(0,1fr));}
.kpi{
  display:block;
  padding:14px 14px 12px;
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:#fff;
  box-shadow:var(--shadow-1);
  color:var(--text);
}
.kpi:hover{box-shadow:var(--shadow-2); text-decoration:none;}
.kpi-label{font-size:12px; color:var(--muted-2); font-weight:700; letter-spacing:.2px;}
.kpi-value{font-size:28px; font-weight:900; letter-spacing:.2px; margin-top:4px; color:#0b2f66;}
.kpi-sub{margin-top:6px; font-size:12px; color:var(--muted);}
.kpi-hint{margin-top:4px; font-size:12px; color:#0b3a64;}

.section-head{display:flex; align-items:baseline; justify-content:space-between; gap:12px; margin:0 0 10px;}
.section-head h2{margin:0; font-size:16px; font-weight:900; color:#0b2f66;}
.section-head .muted{font-size:12px; color:var(--muted);}

.chips{display:flex; flex-wrap:wrap; gap:8px;}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--border);
  background:#fff;
  color:#334155;
  font-size:12px;
  font-weight:700;
}
.chip:hover{background:#f8fafc; text-decoration:none;}

.mini-chart{border:1px solid var(--border); border-radius:var(--radius); background:#fff; overflow:hidden;}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:9px 12px;
  border-radius:10px;
  border:1px solid var(--border);
  background:var(--surface);
  color:var(--text);
  font-size:13px;
  cursor:pointer;
  transition:transform .06s ease, box-shadow .12s ease, background .12s ease, border-color .12s ease;
}
.btn:hover{background:#f8fafc; box-shadow:var(--shadow-1); border-color:var(--border-2); text-decoration:none;}
.btn:active{transform:translateY(1px);}
.btn:focus{outline:none; box-shadow:var(--focus);}

.btn-primary{
  background:var(--primary);
  color:#fff;
  border-color:rgba(255,255,255,.18);
}
.btn-primary:hover{background:var(--primary-2); border-color:rgba(255,255,255,.22);}

.btn-outline{
  background:transparent;
  border-color:rgba(11,61,145,.28);
  color:var(--primary);
}
.btn-outline:hover{background:rgba(11,61,145,.06);}

.btn-sm{padding:6px 10px; font-size:12px; border-radius:999px;}

/* Inputs */
input, select, textarea{font-family:var(--font);}
input[type="search"], input[type="text"], select{
  width:100%;
  padding:9px 10px;
  border:1px solid var(--border);
  border-radius:10px;
  outline:none;
  font-size:13px;
  background:#fff;
}
input[type="search"]:focus, input[type="text"]:focus, select:focus{box-shadow:var(--focus); border-color:rgba(10,123,194,.55);}

/* Filters */
.filters{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  align-items:flex-end;
  padding:12px;
  border:1px solid var(--border);
  background:var(--surface-2);
  border-radius:var(--radius);
}
.filter{min-width:160px; flex:1;}
.filter label{display:block; font-size:12px; color:var(--muted-2); margin:0 0 6px;}

/* Table */
.table-wrap{overflow:auto; border-radius:var(--radius);}
.table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  border:1px solid var(--border);
  background:#fff;
}
.table th, .table td{
  padding:10px 12px;
  border-bottom:1px solid var(--border);
  font-size:13px;
  vertical-align:top;
}
.table th{
  text-align:left;
  background:#f8fafc;
  color:#334155;
  font-weight:800;
  position:sticky;
  top:0;
}
.table tr:last-child td{border-bottom:none;}
.table tr:hover td{background:#fbfdff;}

.sub{margin-top:6px; color:var(--muted); font-size:12px;}

/* List items */
.list{display:flex; flex-direction:column; gap:10px;}
.list-item{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:12px;
  padding:12px;
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  background:#fff;
}
.list-item:hover{box-shadow:var(--shadow-1);}
.li-main{min-width:0;}
.li-title{font-weight:800; font-size:14px;}
.li-title a{color:var(--text);} 
.li-title a:hover{color:var(--primary); text-decoration:underline;}
.li-sub{margin-top:6px; color:var(--muted); font-size:12px;}
.li-side{display:flex; gap:8px; align-items:center; flex-wrap:wrap;}

/* Empty / note */
.empty{
  padding:14px;
  border:1px dashed var(--border-2);
  border-radius:var(--radius);
  background:linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
  color:var(--muted);
  font-size:13px;
}
.note{margin-top:10px; color:var(--muted); font-size:12px;}

/* Badges */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 8px;
  border-radius:999px;
  font-size:12px;
  border:1px solid rgba(11,61,145,.18);
  background:rgba(11,61,145,.08);
  color:var(--primary);
}
.badge.primary{background:rgba(11,61,145,.10);}
.badge.soft{border-color:rgba(100,116,139,.22); background:#f1f5f9; color:#334155;}
.badge.warning{border-color:rgba(245,158,11,.25); background:rgba(245,158,11,.12); color:#92400e;}
.badge.green{border-color:rgba(16,185,129,.25); background:rgba(16,185,129,.10); color:#047857;}
.badge.red{border-color:rgba(220,38,38,.22); background:rgba(220,38,38,.10); color:#b91c1c;}

/* Notice */
.notice{
  border-left:4px solid var(--accent);
  background:#eef6ff;
  border-radius:12px;
  padding:12px 14px;
  color:#0b3a64;
  font-size:13px;
}
.hr{height:1px; background:var(--border); margin:14px 0;}

/* Bar chart */
.barchart{display:flex; flex-direction:column; gap:10px;}
.bar-row{display:flex; align-items:center; gap:10px;}
.bar-row .k{width:180px; font-size:12px; color:#334155; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;}
.bar-row .v{flex:1; height:10px; background:#e8eef8; border-radius:999px; overflow:hidden;}
.bar-row .v > span{display:block; height:100%; background:linear-gradient(90deg, var(--accent), var(--primary));}
.bar-row .n{width:70px; text-align:right; font-size:12px; color:var(--muted);} 

/* Timeline */
.timeline{position:relative; padding-left:18px;}
.timeline:before{content:''; position:absolute; left:6px; top:0; bottom:0; width:2px; background:var(--border);} 
.t-item{position:relative; padding:10px 0 10px 14px;}
.t-item:before{content:''; position:absolute; left:-2px; top:16px; width:10px; height:10px; border-radius:50%; background:var(--accent);} 
.t-date{font-size:12px; color:var(--muted);} 
.t-title{font-size:13px; font-weight:800; margin:2px 0 4px;} 
.t-desc{font-size:12px; color:var(--muted); margin:0;} 

/* Detail KV */
.kv{display:grid; grid-template-columns: 180px 1fr; gap:10px 14px; font-size:13px;}
.kv .k{color:#334155; font-weight:800;}
.kv .v{color:var(--text);}
.source-link{font-size:12px; word-break:break-all;}

.ul{margin:10px 0 0; padding-left:18px;}
.ul li{margin:6px 0; color:var(--text);}

/* Footer */
.site-footer{margin-top:24px; background:#0b2040; color:rgba(255,255,255,.86);} 
.footer-grid{display:grid; grid-template-columns: 1.2fr .8fr; gap:16px; padding:18px 0;}
.footer-title{font-weight:800; font-size:13px; color:#fff; margin-bottom:8px;}
.footer-links{font-size:12px; line-height:1.7;}
.footer-links a{color:rgba(255,255,255,.86);} 
.footer-links a:hover{color:#fff;}
.footer-note{font-size:12px; line-height:1.7; color:rgba(255,255,255,.82);} 
.footer-bottom{padding:12px 0 18px; border-top:1px solid rgba(255,255,255,.12); font-size:12px; color:rgba(255,255,255,.82);} 

/* Small helpers */
.m0{margin:0;}
.mt12{margin-top:12px;}
.mt20{margin-top:20px;}

/* Responsive */
@media (max-width: 980px){
  .top-search{min-width:220px;}
  .grid-3{grid-template-columns:repeat(2, minmax(0,1fr));}
  .kpi-grid{grid-template-columns:repeat(2, minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width: 720px){
  .topbar-inner{flex-direction:column; align-items:stretch;}
  .brand{min-width:unset;}
  .top-search{min-width:unset;}
  .page-head{flex-direction:column; align-items:flex-start;}
  .grid-2, .grid-3, .grid-4{grid-template-columns:1fr;}
  .kpi-grid{grid-template-columns:1fr;}
  .bar-row .k{width:140px;}
}

/* SVG helpers */
g.node{cursor:pointer;}