:root{
  --bg:#eef1f6; --panel:#ffffff; --panel2:#f6f8fb; --line:#e3e8f0;
  --ink:#1b2436; --ink2:#5c6577; --ink3:#98a1b2;
  --accent:#1f8043; --accent2:#14532d; --good:#2e9e57; --bad:#dc3b40; --warn:#e07a1e;
  --radius:14px; --shadow:0 6px 24px rgba(31,45,70,.10);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:'Noto Sans KR',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  display:flex; flex-direction:column; overflow:hidden;
}

/* ---------- topbar ---------- */
.topbar{
  display:flex; align-items:center; gap:20px; padding:12px 20px;
  background:#fff; border-bottom:1px solid var(--line);
  box-shadow:0 1px 3px rgba(31,45,70,.04); flex:0 0 auto;
}
.brand{display:flex; align-items:center; gap:12px}
.brand .logo-img{height:30px;width:auto;display:block}
.brand-sep{width:1px;height:24px;background:var(--line)}
.brand-tag{font-size:12px;color:var(--ink2);white-space:nowrap}

/* country switcher */
.countries{display:flex;gap:6px;margin-left:6px;padding-left:16px;border-left:1px solid var(--line)}
.cty{
  display:flex;align-items:center;gap:7px;padding:7px 13px;border-radius:10px;cursor:pointer;
  background:var(--panel2);border:1px solid var(--line);color:var(--ink2);font-size:13px;font-weight:500;
  transition:all .15s;
}
.cty:hover{color:var(--ink);border-color:#c9d2e0}
.cty.on{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;border-color:transparent;font-weight:700}
.cty .flag{font-size:16px;line-height:1}
.cty.soon{opacity:.6;cursor:not-allowed}
.cty.soon .tag{font-size:9px;background:#e3e8f0;color:var(--ink2);padding:1px 5px;border-radius:5px}

.crumb{display:flex;align-items:center;gap:8px;margin-left:8px;flex:1;overflow:hidden}
.crumb-i{font-size:13px;color:var(--ink2);cursor:pointer;white-space:nowrap}
.crumb-i:hover{color:var(--accent)}
.crumb-i.cur{color:var(--ink);font-weight:700;cursor:default}
.crumb-s{color:var(--ink3);font-size:12px}
.clock{font-size:12px;color:var(--ink3);font-variant-numeric:tabular-nums;white-space:nowrap}


/* ---------- kpi strip ---------- */
.kpi-strip{display:flex;gap:12px;padding:12px 20px;flex:0 0 auto}
.kpi{
  flex:1;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:12px 16px;min-width:0;box-shadow:var(--shadow);
}
.kpi-l{font-size:12px;color:var(--ink2);margin-bottom:6px}
.kpi-v{font-size:26px;font-weight:900;font-variant-numeric:tabular-nums;line-height:1}
.kpi-v span{font-size:12px;font-weight:500;color:var(--ink3);margin-left:4px}

/* ---------- grid ---------- */
.grid{
  flex:1;display:grid;grid-template-columns:300px 1fr 420px;gap:12px;
  padding:0 20px 12px;min-height:0;
}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;min-height:0;box-shadow:var(--shadow)}
.panel-h{padding:14px 16px;font-weight:700;font-size:14px;border-bottom:1px solid var(--line);flex:0 0 auto}

/* list */
.list{overflow-y:auto;flex:1}
.row{display:flex;align-items:center;gap:11px;padding:13px 16px;border-bottom:1px solid var(--line);cursor:pointer;transition:background .12s}
.row:hover{background:var(--panel2)}
.row-a{background:rgba(31,128,67,.10);box-shadow:inset 3px 0 0 var(--accent)}
.row-dot{width:10px;height:10px;border-radius:50%;flex:0 0 auto}
.row-main{flex:1;min-width:0}
.row-main b{display:block;font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row-main span{font-size:11px;color:var(--ink2)}
.row-idx{text-align:right}
.row-idx em{font-style:normal;font-size:18px;font-weight:900;font-variant-numeric:tabular-nums}
.row-idx i{display:block;font-style:normal;font-size:10px;color:var(--ink3)}

/* map */
.map-panel{padding:0}
#map{flex:1;width:100%;height:100%;background:#dfe6ef}
.leaflet-container{background:#dfe6ef;font-family:inherit}
.mk{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  background:var(--c);color:#fff;font-weight:900;font-size:13px;
  border:2px solid #fff;box-shadow:0 0 0 4px color-mix(in srgb,var(--c) 26%,transparent),0 3px 10px rgba(31,45,70,.35);
  transition:transform .15s;
}
.mk-a{transform:scale(1.25);z-index:1000}
.mk span{transform:translateY(-.5px)}

/* detail */
.detail-panel{overflow-y:auto}
.empty{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;text-align:center;color:var(--ink2);padding:30px}
.empty-ic{font-size:52px;margin-bottom:14px;opacity:.55}
.empty h3{margin:0 0 8px;color:var(--ink);font-size:17px}
.empty p{margin:0;font-size:13px;line-height:1.7}

.d-head{padding:18px 18px 14px;border-bottom:1px solid var(--line)}
.d-head h2{margin:0;font-size:19px;font-weight:900}
.d-head>div:first-child span{font-size:12px;color:var(--ink2)}
.d-idx{display:flex;gap:10px;margin-top:14px}
.idx-card{
  flex:1;display:flex;align-items:center;gap:11px;padding:12px 14px;border-radius:12px;
  background:var(--panel2);border:1px solid var(--line);border-left:4px solid var(--c);
}
.idx-emoji{font-size:26px}
.idx-card b{font-size:24px;font-weight:900;font-variant-numeric:tabular-nums;color:var(--c);line-height:1}
.idx-card i{display:block;font-style:normal;font-size:11px;color:var(--ink2);margin-top:3px}

.sensors{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:16px}
.sensor{background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:12px 13px}
.s-top{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.s-ic{font-size:17px}
.s-lab{font-size:12px;font-weight:600;line-height:1.2}
.s-lab i{display:block;font-style:normal;font-size:9px;color:var(--ink3);font-weight:400;letter-spacing:.5px}
.s-val{font-size:22px;font-weight:900;font-variant-numeric:tabular-nums;line-height:1}
.s-val span{font-size:11px;font-weight:500;color:var(--ink3);margin-left:3px}
.s-bar{height:5px;border-radius:3px;background:#e3e8f0;margin:9px 0 6px;overflow:hidden}
.s-bar div{height:100%;border-radius:3px;transition:width .4s}
.s-grade{font-size:11px;font-weight:600}

.trend{padding:0 16px 18px}
.trend-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:10px}
.trend-head b{font-size:13px}
.trend-head span{font-size:10px;color:var(--ink3)}
.trend canvas{background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:12px}

/* footer */
.foot{display:flex;justify-content:space-between;align-items:center;padding:8px 20px;font-size:11px;color:var(--ink3);border-top:1px solid var(--line);flex:0 0 auto;background:#fff}
.foot-live{color:var(--warn)}

/* toast */
.toast{position:fixed;bottom:44px;left:50%;transform:translateX(-50%) translateY(20px);
  background:#1b2436;color:#fff;padding:12px 20px;border-radius:12px;
  font-size:13px;box-shadow:0 10px 34px rgba(31,45,70,.35);opacity:0;transition:all .25s;pointer-events:none;z-index:2000}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* responsive */
@media (max-width:1200px){
  .grid{grid-template-columns:260px 1fr 360px}
  .sensors{grid-template-columns:1fr 1fr}
}
@media (max-width:940px){
  body{overflow:auto}
  .grid{grid-template-columns:1fr;height:auto}
  .map-panel{height:340px}
  .detail-panel,.list-panel{max-height:none}
  .kpi-strip{flex-wrap:wrap}
  .kpi{min-width:calc(50% - 6px)}
  .countries{margin-left:auto}
  .crumb{order:5;flex-basis:100%}
}

/* ===================== 소스 배지 (콘솔 헤더) ===================== */
.src-badge{font-size:11px;font-weight:700;padding:4px 10px;border-radius:20px;white-space:nowrap}
.src-badge.live{background:#e6f6ec;color:#1f8043;border:1px solid #b7e2c6}
.src-badge.sim{background:#fdf0e3;color:#e07a1e;border:1px solid #f4d6b0}
.foot-live.ok{color:var(--good)}

/* ===================== 랜딩 (메인 도메인 kudosair.com) ===================== */
#landing{flex:1;overflow-y:auto;background:
  radial-gradient(1200px 500px at 50% -10%, #eaf5ee 0%, transparent 60%), var(--bg)}
.lp-wrap{max-width:920px;margin:0 auto;padding:56px 24px 60px;text-align:center;display:flex;flex-direction:column;align-items:center}
.lp-logo{height:64px;width:auto;margin-bottom:18px}
.lp-tag{font-size:16px;color:var(--ink2);margin:0 0 34px}
.lp-tag b{color:var(--accent);font-weight:700}
.lp-video{width:100%;max-width:820px;border-radius:18px;overflow:hidden;box-shadow:0 18px 50px rgba(20,60,40,.18);background:#000;border:1px solid var(--line)}
.lp-video video{display:block;width:100%;height:auto}
.lp-h2{font-size:15px;font-weight:700;color:var(--ink);margin:44px 0 18px;letter-spacing:.3px}
.lp-countries{display:flex;gap:16px;flex-wrap:wrap;justify-content:center;width:100%}
.lp-cty{
  display:flex;flex-direction:column;align-items:center;gap:6px;width:150px;padding:22px 16px;
  background:#fff;border:1px solid var(--line);border-radius:16px;text-decoration:none;color:var(--ink);
  box-shadow:var(--shadow);transition:transform .15s,box-shadow .15s,border-color .15s;
}
.lp-cty:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(20,60,40,.16);border-color:var(--accent)}
.lp-flag{font-size:38px;line-height:1}
.lp-cty b{font-size:16px;font-weight:800}
.lp-st{font-size:11px;color:var(--good);font-weight:600}
.lp-cty.soon{opacity:.72}
.lp-cty.soon .lp-st{color:var(--ink3)}
.lp-cty.soon:hover{border-color:var(--warn)}
.lp-foot{margin-top:48px;font-size:11px;color:var(--ink3)}

@media (max-width:520px){
  .lp-wrap{padding:36px 16px 44px}
  .lp-logo{height:48px}
  .lp-cty{width:130px}
}

/* ===================== 실센서 표시 ===================== */
.sensor-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--good);
  margin-left:7px;vertical-align:middle;box-shadow:0 0 0 3px rgba(46,158,87,.18);animation:pulse 1.6s infinite}
.live-tag{font-size:11px;font-weight:800;color:var(--good);background:#e6f6ec;border:1px solid #b7e2c6;
  padding:2px 8px;border-radius:20px;vertical-align:middle;margin-left:8px}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ===================== 소개영상 소리 버튼 ===================== */
.lp-video{position:relative}
.unmute-btn{
  position:absolute;left:14px;bottom:14px;z-index:3;display:flex;align-items:center;gap:6px;
  padding:9px 15px;border-radius:24px;border:none;cursor:pointer;
  background:rgba(20,60,40,.82);color:#fff;font-size:13px;font-weight:700;font-family:inherit;
  box-shadow:0 4px 14px rgba(0,0,0,.3);backdrop-filter:blur(3px);transition:background .15s}
.unmute-btn:hover{background:rgba(31,128,67,.95)}