:root {
  --bg: #0f1420;
  --panel: #171e2e;
  --panel-2: #1e2740;
  --line: #2b3550;
  --text: #e8ecf4;
  --muted: #97a2bd;
  --accent: #4f8cff;
  --accent-2: #37c2a3;
  --warn: #ffb454;
  --danger: #ff6b7a;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, .35);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  font-family: -apple-system, "Segoe UI", "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

/* ── 레이아웃 ── */
.app {
  display: grid;
  grid-template-columns: 320px 1fr;
  grid-template-rows: 60px 1fr;
  grid-template-areas:
    "header header"
    "sidebar map";
  height: 100vh;
  overflow: hidden;
}

header.topbar {
  grid-area: header;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 20px;
  background: linear-gradient(90deg, #131a29, #1a2338);
  border-bottom: 1px solid var(--line);
  z-index: 20;
}
.topbar .logo {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.5px;
}
.topbar .logo span { color: var(--accent); }
.topbar .subtitle { color: var(--muted); font-size: 13px; }
.topbar .grow { flex: 1; }
.topbar .badge {
  font-size: 11px; color: var(--warn);
  border: 1px solid #4a3d22; background: #2a2314;
  padding: 4px 10px; border-radius: 999px;
}

/* ── 사이드바 ── */
aside.sidebar {
  grid-area: sidebar;
  background: var(--panel);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.sidebar .search {
  padding: 14px;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.sidebar .search input {
  width: 100%;
  padding: 10px 34px 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  font-size: 14px;
  outline: none;
}
.sidebar .search input:focus { border-color: var(--accent); }
.search-clear {
  position: absolute; right: 22px; top: 50%; transform: translateY(-50%);
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--panel-2); border: 1px solid var(--line); color: var(--muted);
  font-size: 11px; cursor: pointer; display: none; align-items: center; justify-content: center;
}
.search-clear.show { display: flex; }
.search-clear:hover { color: var(--text); border-color: var(--accent); }

.result-count {
  padding: 8px 14px 0; font-size: 11px; color: var(--muted);
}
.match-hint {
  font-size: 11px; color: var(--accent-2); margin-top: 2px;
}
mark {
  background: rgba(79,140,255,.35); color: var(--text); border-radius: 3px; padding: 0 1px;
}
.filter-row {
  display: flex; gap: 6px; flex-wrap: wrap;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
}
.chip {
  font-size: 12px; color: var(--muted);
  padding: 5px 11px; border-radius: 999px;
  border: 1px solid var(--line); background: transparent;
  cursor: pointer; transition: .15s;
}
.chip:hover { border-color: var(--accent); color: var(--text); }
.chip.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.uni-list { overflow-y: auto; flex: 1; padding: 6px; }
.uni-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 10px;
  cursor: pointer; transition: .12s;
}
.uni-item:hover { background: var(--panel-2); }
.uni-item.active { background: var(--panel-2); outline: 1px solid var(--accent); }
.uni-item .meta { min-width: 0; flex: 1; }
.uni-item .nm { font-size: 14px; font-weight: 600; }
.uni-item .sub { font-size: 11px; color: var(--muted); }
.list-empty { color: var(--muted); text-align: center; padding: 30px 10px; font-size: 13px; }

/* 이니셜 뱃지(엠블럼 로고) — 실제 로고 이미지 대신 이니셜 기반 엠블럼.
   외부 이미지에 의존하지 않아 오프라인에서도 항상 동일하게 보이고,
   상표권이 있는 실제 학교 로고를 무단 사용하지 않기 위한 선택. */
.badge-sm, .badge-lg {
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%; color: #fff; font-weight: 800; flex-shrink: 0;
  position: relative;
  background-image: radial-gradient(circle at 32% 26%, rgba(255,255,255,.65), rgba(255,255,255,0) 58%);
  background-blend-mode: overlay;
  box-shadow: inset 0 -3px 6px rgba(0,0,0,.30), inset 0 1px 2px rgba(255,255,255,.35), 0 2px 6px rgba(0,0,0,.35);
  border: 1.5px solid rgba(255,255,255,.18);
  text-shadow: 0 1px 3px rgba(0,0,0,.45);
  letter-spacing: -.5px;
}
.badge-sm { width: 30px; height: 30px; font-size: 13px; }
.badge-lg { width: 54px; height: 54px; font-size: 22px; border-width: 2px; }

.icon-btn.star {
  background: transparent; border: none; cursor: pointer;
  font-size: 16px; color: var(--muted); padding: 4px; line-height: 1;
}
.icon-btn.star.on, .icon-btn.star:hover { color: var(--warn); }

/* ── 지도 ── */
main.map-wrap { grid-area: map; position: relative; }
#map { width: 100%; height: 100%; background: #060a13; }
.map-legend {
  position: absolute; left: 14px; bottom: 14px; z-index: 500;
  background: rgba(23,30,46,.92); border: 1px solid var(--line);
  border-radius: 10px; padding: 10px 12px; font-size: 12px;
  backdrop-filter: blur(6px);
}
.map-legend .row { display: flex; align-items: center; gap: 7px; margin: 3px 0; color: var(--muted); }
.map-legend .row b { color: var(--text); font-weight: 600; }
.map-legend .row.hint { margin-top: 6px; padding-top: 6px; border-top: 1px solid var(--line); font-size: 11px; }
.legend-dot { width: 11px; height: 11px; border-radius: 50%; }

/* ── SVG 한국 지도 ── */
.korea-map-wrap { position: relative; width: 100%; height: 100%; }
.korea-svg { width: 100%; height: 100%; display: block; touch-action: none; cursor: grab; }
.korea-svg:active { cursor: grabbing; }
.city-label {
  fill: #5c6a8f; font-size: 12px; text-anchor: middle;
  pointer-events: none; user-select: none; font-weight: 600;
  letter-spacing: .5px;
}
.marker-circle {
  cursor: pointer;
  transform-box: fill-box; transform-origin: center;
  transition: transform .12s, filter .12s;
}
.marker-circle:hover { transform: scale(1.4); filter: brightness(1.2); }
.marker-circle.is-favorite { stroke: #ffd166 !important; }
.marker.is-selected .marker-circle { stroke: #fff !important; filter: drop-shadow(0 0 6px rgba(255,255,255,.6)); }

.map-zoom-controls {
  position: absolute; right: 14px; top: 14px; z-index: 500;
  display: flex; flex-direction: column; gap: 6px;
}
.map-zoom-controls button {
  width: 34px; height: 34px; border-radius: 8px;
  background: rgba(23,30,46,.92); border: 1px solid var(--line); color: var(--text);
  font-size: 17px; cursor: pointer; backdrop-filter: blur(6px);
}
.map-zoom-controls button:hover { border-color: var(--accent); color: var(--accent); }
.map-zoom-controls button:last-child { font-size: 15px; }

/* ── 상세 패널(슬라이드) ── */
.detail {
  position: absolute; top: 0; right: 0; height: 100%;
  width: min(460px, 92vw);
  background: var(--panel);
  border-left: 1px solid var(--line);
  box-shadow: var(--shadow);
  transform: translateX(105%);
  transition: transform .28s cubic-bezier(.22,.61,.36,1);
  z-index: 900;
  display: flex; flex-direction: column;
}
.detail.open { transform: translateX(0); }
.detail-head {
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.detail-head .close {
  position: absolute; top: 14px; right: 14px;
  width: 30px; height: 30px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--panel-2);
  color: var(--muted); cursor: pointer; font-size: 16px;
}
.detail-head .close:hover { color: var(--text); border-color: var(--accent); }
.detail-head .head-row { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.detail-head h2 { margin: 0 0 6px; font-size: 21px; letter-spacing: -.5px; }
.detail-head .tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tag {
  font-size: 11px; padding: 3px 9px; border-radius: 999px;
  background: var(--panel-2); border: 1px solid var(--line); color: var(--muted);
}
.tag.type-국립 { color: #7fd4ff; border-color: #26506b; background: #12283a; }
.tag.type-사립 { color: #ffb0c8; border-color: #6b2640; background: #341423; }

.detail-actions { display: flex; gap: 8px; }
.action-btn {
  flex: 1; padding: 9px 10px; font-size: 13px; font-weight: 600;
  border-radius: 9px; border: 1px solid var(--line); background: var(--panel-2);
  color: var(--muted); cursor: pointer; transition: .15s;
}
.action-btn:hover { border-color: var(--accent); color: var(--text); }
.action-btn.on { background: rgba(255,180,84,.14); border-color: var(--warn); color: var(--warn); }
.action-btn.on:hover { color: var(--warn); }

/* 탭 */
.tabs { display: flex; gap: 2px; padding: 0 14px; border-bottom: 1px solid var(--line); }
.tab-btn {
  flex: 1; padding: 12px 6px; font-size: 13px; font-weight: 600;
  background: transparent; border: none; color: var(--muted);
  cursor: pointer; border-bottom: 2px solid transparent;
}
.tab-btn.active { color: var(--text); border-bottom-color: var(--accent); }
.tab-content { overflow-y: auto; flex: 1; padding: 18px 20px 30px; }
.tab-pane { display: none; }
.tab-pane.active { display: block; animation: fade .25s; }
@keyframes fade { from { opacity: 0; transform: translateY(6px);} to {opacity:1;transform:none;} }

.section-title { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; margin: 4px 0 12px; }

/* 전형 도넛 */
.admission-vis { display: flex; align-items: center; gap: 20px; margin-bottom: 16px; }
.donut { --p: 60; width: 120px; height: 120px; border-radius: 50%; flex-shrink: 0;
  background: conic-gradient(var(--accent) calc(var(--p) * 1%), var(--accent-2) 0);
  display: grid; place-items: center; position: relative;
}
.donut::after { content: ""; width: 78px; height: 78px; border-radius: 50%; background: var(--panel); }
.donut .lbl { position: absolute; text-align: center; }
.donut .lbl b { font-size: 22px; } .donut .lbl small { display: block; font-size: 11px; color: var(--muted); }
.admission-legend .row { display: flex; align-items: center; gap: 8px; font-size: 13px; margin: 8px 0; }
.admission-legend .sw { width: 12px; height: 12px; border-radius: 3px; }
.note-box { background: var(--panel-2); border: 1px solid var(--line); border-left: 3px solid var(--accent);
  border-radius: 8px; padding: 10px 12px; font-size: 13px; color: var(--muted); }

/* 학과 리스트 */
.major-card { background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px;
  padding: 12px 14px; margin-bottom: 10px; }
.major-card .mc-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.major-card .mc-head b { font-size: 15px; }
.comp-badge { font-size: 11px; color: var(--warn); background: #2a2314; border: 1px solid #4a3d22; padding: 3px 8px; border-radius: 999px; }

/* 등급컷 바 */
.cut-row { display: flex; align-items: center; gap: 8px; margin: 6px 0; font-size: 12px; }
.cut-row .k { width: 42px; color: var(--muted); }
.cut-track { flex: 1; height: 8px; background: #0e1422; border-radius: 6px; overflow: hidden; }
.cut-fill { height: 100%; border-radius: 6px; }
.cut-fill.c50 { background: linear-gradient(90deg,#4f8cff,#37c2a3); }
.cut-fill.c70 { background: linear-gradient(90deg,#ffb454,#ff6b7a); }
.cut-row .v { width: 40px; text-align: right; font-variant-numeric: tabular-nums; }
.cut-hint { font-size: 11px; color: var(--muted); margin-top: 4px; }

/* 변환기 */
.conv { }
.conv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }
.conv-field label { font-size: 12px; color: var(--muted); display:block; margin-bottom: 6px; }
.conv-field select, .conv-field input {
  width: 100%; padding: 10px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--panel-2); color: var(--text); font-size: 14px; outline: none;
}
.conv-field select:focus, .conv-field input:focus { border-color: var(--accent); }
.conv-result {
  background: linear-gradient(135deg, #16223a, #1c2b48);
  border: 1px solid var(--line); border-radius: 12px; padding: 18px;
  text-align: center; margin-bottom: 16px;
}
.conv-result .big { font-size: 40px; font-weight: 800; }
.conv-result .big .arrow { color: var(--muted); font-size: 26px; margin: 0 12px; }
.conv-result .big .to { color: var(--accent-2); }
.conv-result .desc { color: var(--muted); font-size: 13px; margin-top: 6px; }
.conv-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.conv-table th, .conv-table td { padding: 8px 6px; border-bottom: 1px solid var(--line); text-align: center; }
.conv-table th { color: var(--muted); font-weight: 600; font-size: 12px; }
.conv-table tr.hl { background: rgba(79,140,255,.12); }
.conv-table td .pct { color: var(--muted); font-size: 11px; }

.empty-state {
  height: 100%; display: grid; place-items: center; color: var(--muted);
  text-align: center; padding: 20px;
}
.empty-state .em { font-size: 46px; margin-bottom: 12px; }

/* ── 비교하기 바 ── */
.compare-bar {
  position: absolute; left: 50%; bottom: -80px; transform: translateX(-50%);
  z-index: 700; display: flex; align-items: center; gap: 16px;
  background: rgba(23,30,46,.95); border: 1px solid var(--line); border-radius: 14px;
  padding: 10px 16px; box-shadow: var(--shadow); backdrop-filter: blur(8px);
  transition: bottom .25s ease; max-width: 92vw;
}
.compare-bar.show { bottom: 18px; }
.cmp-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.cmp-chip {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 999px;
  padding: 5px 6px 5px 12px; font-size: 12px;
}
.cmp-chip button {
  background: transparent; border: none; color: var(--muted); cursor: pointer;
  width: 18px; height: 18px; border-radius: 50%; font-size: 11px;
}
.cmp-chip button:hover { background: var(--danger); color: #fff; }
.cmp-actions { display: flex; gap: 8px; flex-shrink: 0; }
.cmp-actions button {
  padding: 8px 14px; border-radius: 9px; font-size: 13px; font-weight: 600;
  border: 1px solid var(--accent); background: var(--accent); color: #fff; cursor: pointer;
}
.cmp-actions button:disabled { opacity: .4; cursor: not-allowed; }
.cmp-actions button.ghost { background: transparent; color: var(--muted); border-color: var(--line); }
.cmp-actions button.ghost:hover { color: var(--text); border-color: var(--accent); }

/* ── 비교 모달 ── */
.cmp-modal {
  position: fixed; inset: 0; z-index: 2000; display: none;
  background: rgba(6,9,16,.65); backdrop-filter: blur(3px);
  align-items: center; justify-content: center; padding: 24px;
}
.cmp-modal.open { display: flex; }
.cmp-modal-inner {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); max-width: 900px; width: 100%; max-height: 85vh;
  display: flex; flex-direction: column; overflow: hidden;
}
.cmp-modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--line);
}
.cmp-modal-head h3 { margin: 0; font-size: 18px; }
.cmp-modal-head .close {
  width: 30px; height: 30px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--panel-2); color: var(--muted); cursor: pointer;
}
.cmp-modal-head .close:hover { color: var(--text); border-color: var(--accent); }
.cmp-table-wrap { overflow: auto; padding: 16px 20px 20px; }
.cmp-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.cmp-table th, .cmp-table td {
  padding: 10px 14px; border-bottom: 1px solid var(--line);
  text-align: center; white-space: nowrap;
}
.cmp-table th { font-size: 13px; font-weight: 700; }
.cmp-table td.rowlabel {
  text-align: left; color: var(--muted); font-weight: 600; white-space: nowrap;
}

/* 반응형 */
@media (max-width: 820px) {
  .app { grid-template-columns: 1fr; grid-template-rows: 56px 200px 1fr;
    grid-template-areas: "header" "sidebar" "map"; }
  aside.sidebar { border-right: none; border-bottom: 1px solid var(--line); }
  .topbar .subtitle { display: none; }
}