:root{
  --bg: #0f1115;
  --panel: #151821;
  --panel-2: #1a1f2d;
  --text: #e6e7eb;
  --muted: #9aa3b2;
  --accent: #6ea8fe;
  --border: #2a3040;
  --ring: rgba(110,168,254,0.35);
}

/* ===== 헤더 (왼쪽 상단 고정) ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0; /* 변경된 부분 */
  z-index: 1000;
  background: rgba(15, 23, 42, 0.6); /* #0f172a 반투명 */
  backdrop-filter: blur(8px);
  padding: 8px 12px;
  border-radius: 0 0 12px 0; /* 왼쪽 상단만 둥글게 */
}

.nav {
  display: flex;
  gap: 12px;
  align-items: center;
}

.nav--right { 
  justify-content: flex-start; /* 왼쪽으로 정렬 */
}


.nav-link {
  color: #e5e7eb;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}

.nav-link:hover { color: #38bdf8; }

.nav-link[aria-current="page"] { color: #facc15; }


*{ box-sizing: border-box; }
html,body{ height:100%; }
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font: 14px/1.45 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

/* 레이아웃 */
.app{
  display:flex;
  height:100vh;
  width:100%;
}

/* 지도 75% */
.map-pane{
  flex: 3 1 0; /* 3:1 비율 → 75% */
  min-width: 0;
  border-right: 1px solid var(--border);
}
gmp-map{
  display:block;
  height: 100%;
  width: 100%;
}

/* 패널 25% */
.control-pane{
  flex: 1 1 320px; /* 25% 영역, 최소 320px */
  max-width: 560px;
  padding: 20px 18px 24px;
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  overflow:auto;
}

.panel-header h1{
  margin:0 0 6px 0;
  font-size: 18px;
  font-weight: 700;
}
.muted{ color: var(--muted); margin:0 0 12px; }

/* 폼 */
.form{
  display:grid;
  gap: 14px;
  margin-top: 6px;
}
.field{ display:flex; flex-direction:column; gap:6px; }
label{ font-weight:600; }
input[type="number"], select{
  appearance:none;
  background:#0f1320;
  border:1px solid var(--border);
  border-radius:10px;
  padding:10px 12px;
  color:var(--text);
  outline:none;
}
input[type="number"]:focus, select:focus{
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--ring);
}
.hint{ color: var(--muted); font-size:12px; }

/* 버튼 */
.actions{ display:flex; gap:10px; margin-top:4px; }
.btn{
  appearance:none;
  border:1px solid var(--border);
  background:#101524;
  color:var(--text);
  padding:10px 12px;
  border-radius:10px;
  cursor:pointer;
  font-weight:600;
}
.btn:hover{ border-color:#3a4257; }
.btn.primary{
  background: linear-gradient(180deg, #2a6bff, #1b4fcc);
  border-color: transparent;
}
.btn.primary:hover{ filter: brightness(1.05); }

/* 상태/결과 */
.status{
  margin-top:16px;
  padding:10px 12px;
  border:1px dashed var(--border);
  border-radius:10px;
  color: var(--muted);
}
.results{ margin-top:12px; }

/* 반응형: 좁은 화면에서는 위/아래로 쌓기 */
@media (max-width: 1024px){
  .app{ flex-direction:column; }
  .map-pane{ height: 55vh; border-right: none; border-bottom:1px solid var(--border); }
  .control-pane{ height: 45vh; }
}

/* --- Results Layout --- */
#results {
  padding: 12px;
}

.results-header {
  display: flex; 
  flex-wrap: wrap;
  align-items: center; 
  gap: 8px 12px; 
  margin-bottom: 12px;
}
.results-title {
  font-size: 1.1rem; 
  font-weight: 700;
  color: white
}
.chips {
  display: flex; 
  flex-wrap: wrap; 
  gap: 6px;
}
.chip {
  display: inline-flex; 
  align-items: center; 
  gap: 6px;
  padding: 4px 8px; 
  border-radius: 999px; 
  font-size: 0.85rem; 
  line-height: 1; 
  background: #f1f5f9; 
  color: #0f172a; 
  border: 1px solid #e2e8f0;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}

/* Contrast fix for cards on dark background */
.card {
  background: #ffffff;
  color: #0f172a;            /* force dark text */
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,.06);
  padding: 14px;
}
.card h3 { color:#0f172a; }

.metrics { display:grid; grid-template-columns:1fr 1fr; gap:6px 12px; }
.metric b { color:#334155; font-weight:600; font-size:0.9rem; }
.metric .val { color:#0f172a; font-weight:700; font-variant-numeric: tabular-nums; }

.kv { display:grid; grid-template-columns: 140px 1fr; gap:6px 8px; }
.kv .k { color:#475569; font-weight:600; font-size:0.9rem; }
.kv .v { color:#0f172a; font-weight:700; font-variant-numeric: tabular-nums; }