/* © 2026 김용현 */
/* 지도 투영법 3D — 네이비 #1B2A4A 기반. 시각 연출 담당이 자유롭게 고쳐도 되는 파일 (PLAN 0.3) */
:root {
  --navy: #1B2A4A;
  --navy-deep: #14213D;
  --navy-line: #2E3F63;
  --panel: #1F3158;
  --text: #E8EDF5;
  --muted: #A9B6CC;
  --accent: #FFD166;
  --ink: #1B2A4A;
  --paper: #F4EEDC;
  --ok: #7EE0A8;
  --warn: #E8553F;
  --font: "Pretendard Variable", Pretendard, "Noto Sans KR", system-ui, -apple-system, sans-serif;
  --side-w: 340px;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: var(--font);
  background: var(--navy);
  color: var(--text);
  display: grid;
  grid-template-rows: auto 1fr auto;
  grid-template-columns: minmax(0, 1fr);   /* 헤더·푸터의 최소 폭이 레이아웃을 넓히지 못하게 */
  height: 100vh;
  overflow: hidden;
  font-size: 14px;
  line-height: 1.5;
}
button, select, input { font-family: inherit; font-size: inherit; color: inherit; }
button { cursor: pointer; }

/* ---- 상단 ---- */
#topbar {
  display: flex; align-items: center; gap: 12px; flex-wrap: nowrap; min-width: 0;
  padding: 8px 14px; border-bottom: 1px solid var(--navy-line); background: var(--navy);
}
#controls { flex: 1; min-width: 0; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 15px; color: var(--accent); white-space: nowrap; }
/* ---- 도법 선택기 (버튼 + 목록) ---- */
.picker { position: relative; }
.picker-btn {
  display: flex; align-items: center; gap: 8px; min-width: 0; white-space: nowrap;
  background: var(--panel); border: 1px solid var(--navy-line); border-radius: 8px; padding: 6px 10px; color: var(--text); text-align: left;
}
.picker-btn:hover { border-color: var(--accent); }
.picker-name { font-weight: 600; flex: 1; }
.picker-badges { display: inline-flex; gap: 4px; }
.picker-caret { color: var(--muted); display: inline-grid; place-items: center; }
.picker-menu {
  position: absolute; top: calc(100% + 6px); left: 0; z-index: 25; width: max-content; min-width: 100%; max-width: calc(100vw - 24px); max-height: 72vh; overflow: auto;
  background: rgba(20,33,61,0.98); border: 1px solid var(--navy-line); border-radius: 10px; padding: 6px; box-shadow: 0 10px 30px rgba(0,0,0,0.45);
}
.picker-group { color: var(--muted); font-size: 11px; padding: 10px 8px 4px; }
.picker-item {
  display: flex; align-items: center; gap: 6px; width: 100%; text-align: left; white-space: nowrap;
  background: transparent; border: 0; border-radius: 6px; padding: 6px 8px; color: var(--text); font-size: 13px;
}
.picker-item:hover { background: var(--panel); }
.picker-item.on { background: rgba(255,209,102,0.15); }
.picker-item-name { flex: 1; }
.picker-legend { display: flex; gap: 8px; align-items: flex-start; max-width: 320px; white-space: normal; color: var(--muted); font-size: 11px; padding: 10px 8px 6px; border-top: 1px solid var(--navy-line); margin-top: 6px; line-height: 1.45; }
.pbadge { display: inline-block; font-size: 11px; line-height: 1.4; padding: 1px 7px; border-radius: 999px; border: 1px solid; white-space: nowrap; font-weight: 600; }
.pbadge-conformal { color: #7cc4ff; border-color: rgba(124,196,255,0.5); background: rgba(124,196,255,0.12); }
.pbadge-equal { color: #7ee0a8; border-color: rgba(126,224,168,0.5); background: rgba(126,224,168,0.12); }
.pbadge-equidistant { color: #c9a8ff; border-color: rgba(201,168,255,0.5); background: rgba(201,168,255,0.12); }
.pbadge-compromise { color: #ffb37c; border-color: rgba(255,179,124,0.5); background: rgba(255,179,124,0.12); }
.pbadge-light { color: var(--accent); border-color: rgba(255,209,102,0.55); background: rgba(255,209,102,0.12); }
.controls { display: flex; align-items: center; gap: 10px; flex-wrap: nowrap; overflow-x: auto; overflow-y: hidden; padding-bottom: 2px; }
.ctl { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.ctl-label { color: var(--muted); font-size: 12px; }
.ctl-value { font-variant-numeric: tabular-nums; min-width: 48px; font-size: 12px; }
.ctl-slider input[type="range"] { width: 90px; }
.ctl-hint { color: var(--muted); font-size: 11px; }
.ctl-toggle input { accent-color: var(--accent); }
.ctl-minor { opacity: 0.8; }
.chip {
  background: transparent; border: 1px solid var(--navy-line); border-radius: 999px; padding: 3px 10px; font-size: 12px; color: var(--muted);
}
.chip.on { background: var(--accent); color: var(--ink); border-color: var(--accent); font-weight: 600; }
.chip:hover { border-color: var(--accent); color: var(--text); }
.chip.on:hover { color: var(--ink); }
.compare-select { background: var(--panel); border: 1px solid var(--navy-line); border-radius: 6px; padding: 3px 6px; font-size: 12px; max-width: 130px; }

/* ---- 본문 ---- */
#main { display: grid; grid-template-columns: 1fr var(--side-w); min-height: 0; }
#viewport { position: relative; min-height: 0; background: var(--navy-deep); }
#viewport canvas { display: block; width: 100% !important; height: 100% !important; }
#side { border-left: 1px solid var(--navy-line); background: var(--navy); overflow: auto; }
.fatal { position: absolute; inset: 0; display: grid; place-items: center; color: var(--warn); }

.side-panel { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 10px; min-height: 100%; }
.sp-copy { margin-top: auto; padding-top: 14px; font-size: 11px; color: var(--muted); border-top: 1px solid var(--navy-line); }
.sp-copy a { color: var(--muted); text-decoration: underline; text-underline-offset: 2px; }
.sp-copy a:hover { color: var(--accent); }
.sp-title { margin: 0; font-size: 18px; font-weight: 700; }
.sp-chips { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 4px; }
.chip-i { font-size: 11px; color: var(--muted); border: 1px solid var(--navy-line); border-radius: 999px; padding: 1px 8px; }
.sp-stage { color: var(--accent); font-weight: 600; font-size: 13px; }
.sp-caption { margin: 0; font-size: 14px; line-height: 1.65; word-break: keep-all; }
.sp-light { display: flex; gap: 10px; align-items: flex-start; background: var(--panel); border-radius: 8px; padding: 8px 10px; border: 1px solid transparent; }
.sp-light.on { border-color: rgba(255,209,102,0.55); }
.sp-light-icon { color: var(--accent); flex: 0 0 auto; margin-top: 1px; }
.sp-light-title { font-weight: 600; font-size: 13px; color: var(--accent); margin-bottom: 2px; }
.sp-light-text { font-size: 12.5px; line-height: 1.55; color: var(--text); word-break: keep-all; }
body.projector .sp-light-text { font-size: 16px; }
body.projector .sp-light-title { font-size: 17px; }
.sp-badge { display: inline-block; align-self: flex-start; background: rgba(126,224,168,0.15); color: var(--ok); border: 1px solid rgba(126,224,168,0.5); border-radius: 999px; padding: 2px 10px; font-size: 12px; font-weight: 600; }
.sp-texwrap { display: flex; flex-direction: column; gap: 4px; }
.sp-tex { background: var(--panel); border-radius: 8px; padding: 6px 10px; overflow: hidden; font-size: 14px; cursor: pointer; border: 1px solid transparent; }
.sp-tex:hover { border-color: var(--navy-line); }
.sp-tex .katex-display { margin: 4px 0; overflow: hidden; }
.sp-tex-toggle { align-self: flex-end; background: transparent; border: 0; color: var(--accent); font-size: 12px; padding: 2px 4px; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.sp-tex-toggle.on { color: var(--muted); }
.sp-texnote { background: rgba(255,209,102,0.06); border-left: 3px solid var(--accent); border-radius: 0 8px 8px 0; padding: 8px 12px; font-size: 13px; line-height: 1.6; word-break: keep-all; }
.sp-texnote p { margin: 0 0 8px; }
.sp-texnote p:last-child { margin-bottom: 0; }
.sp-texnote b { color: var(--accent); font-weight: 600; }
.sp-texnote-sym { color: var(--muted); font-size: 11px; margin-bottom: 8px; padding-bottom: 6px; border-bottom: 1px dashed var(--navy-line); }
body.projector .sp-texnote { font-size: 16px; }
.sp-lobes { height: auto; }
.sp-panel:empty { display: none; }
.sp-graph { width: 100%; height: auto; background: var(--panel); border-radius: 8px; }
.sp-table table { width: 100%; border-collapse: collapse; font-size: 12px; font-variant-numeric: tabular-nums; }
.sp-table th, .sp-table td { padding: 2px 6px; text-align: right; border-bottom: 1px solid var(--navy-line); }
.sp-table th:first-child, .sp-table td:first-child { text-align: left; }
.sp-table tr.hl td { background: rgba(255,209,102,0.22); color: var(--accent); font-weight: 700; }
.sp-table-note { color: var(--muted); font-size: 11px; margin-bottom: 6px; }
.sp-blend { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.sp-mini { display: flex; flex-direction: column; align-items: center; gap: 4px; font-size: 11px; color: var(--muted); }
.sp-mini canvas { background: var(--panel); border-radius: 6px; width: 100%; height: auto; }
.sp-blend-w { grid-column: 1 / -1; font-size: 12px; color: var(--accent); text-align: center; }
.sp-area-title { font-weight: 600; margin-bottom: 6px; }
.sp-area-list { display: flex; flex-direction: column; gap: 4px; }
.sp-area-row { display: flex; justify-content: space-between; padding: 4px 8px; border-radius: 6px; background: var(--panel); }
.sp-area-row.on { outline: 1px solid var(--accent); color: var(--accent); }
.sp-area-val { font-variant-numeric: tabular-nums; font-weight: 600; }
.sp-area-note { color: var(--muted); font-size: 12px; margin-top: 6px; }
.sp-readout { font-size: 12px; color: var(--muted); border-top: 1px solid var(--navy-line); padding-top: 8px; }
.sp-readout:empty { display: none; }
.badge { color: var(--ok); font-weight: 600; }

/* ---- 하단 스테퍼 ---- */
#stepper { border-top: 1px solid var(--navy-line); background: var(--navy); }
/* 한 줄 리모컨: [단계 버튼들][◁◁ |◁ ▶ ▷|][자동 재생][진행바(남는 폭)][%][유틸] */
#stepper { min-width: 0; overflow: hidden; }
.stepper { display: flex; flex-direction: row; align-items: center; gap: 12px; padding: 8px 14px; min-width: 0; }
.stages { display: flex; gap: 6px; flex-wrap: nowrap; flex: 0 1 auto; min-width: 0; overflow-x: auto; overflow-y: hidden; padding-bottom: 2px; }
.stage {
  background: transparent; border: 1px solid var(--navy-line); border-radius: 8px; padding: 5px 10px; font-size: 13px; color: var(--muted); white-space: nowrap;
}
.stage.done { border-color: rgba(255,209,102,0.5); color: var(--text); }
.stage.on { background: var(--accent); color: var(--ink); border-color: var(--accent); font-weight: 700; }
/* 남는 폭은 진행바가 차지하고, 모자라면 단계 버튼 줄이 줄어들며 스크롤된다(재생 버튼·유틸은 항상 보임) */
.transport { display: flex; align-items: center; gap: 8px; flex: 1 1 auto; min-width: max-content; }
.tbtn { background: var(--panel); border: 1px solid var(--navy-line); border-radius: 8px; width: 36px; height: 32px; display: grid; place-items: center; color: var(--text); }
.tbtn:hover { border-color: var(--accent); }
.tbtn-play { background: var(--accent); color: var(--ink); border-color: var(--accent); }
.scrub { flex: 1; min-width: 60px; accent-color: var(--accent); }
.tval { min-width: 44px; text-align: right; font-variant-numeric: tabular-nums; color: var(--muted); font-size: 12px; }
.ctl-auto { margin: 0 6px 0 2px; white-space: nowrap; }
.ctl-auto input { accent-color: var(--accent); }

/* ---- 뷰포트 시점 도구 ---- */
#viewtools { position: absolute; top: 10px; left: 10px; display: flex; gap: 6px; z-index: 5; }
.vbtn {
  width: 34px; height: 34px; border-radius: 8px; display: grid; place-items: center;
  background: rgba(20,33,61,0.85); border: 1px solid var(--navy-line); color: var(--text);
}
.vbtn:hover { border-color: var(--accent); }
.vbtn.on { background: var(--accent); color: var(--ink); border-color: var(--accent); }
.vhint { position: absolute; left: 12px; bottom: 10px; font-size: 11px; color: var(--muted); pointer-events: none; opacity: 0.85; }

/* ---- 정보 버튼 · 팝오버 ---- */
.ctl-tissot { gap: 4px; }
.ibtn {
  width: 20px; height: 20px; border-radius: 50%; display: inline-grid; place-items: center; padding: 0;
  background: transparent; border: 1px solid var(--navy-line); color: var(--muted);
}
.ibtn:hover { border-color: var(--accent); color: var(--accent); }
.popover {
  position: fixed; z-index: 30; width: 348px; max-width: calc(100vw - 16px);
  background: rgba(20,33,61,0.98); border: 1px solid var(--navy-line); border-radius: 10px; padding: 14px 16px 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.45); font-size: 13px; line-height: 1.55; word-break: keep-all;
}
.popover h3 { margin: 0 0 6px; font-size: 14px; color: var(--accent); }
.popover p { margin: 0 0 8px; }
.popover ul { margin: 0 0 8px; padding-left: 18px; }
.popover li { margin: 2px 0; }
.popover .pop-sub { color: var(--muted); font-size: 12px; margin-bottom: 4px; }
.popover dl { display: grid; grid-template-columns: 24px 1fr; gap: 2px 8px; margin: 0 0 8px; }
.popover dt { color: var(--accent); font-weight: 700; }
.popover dd { margin: 0; }
.popover-close { float: right; background: transparent; border: 1px solid var(--navy-line); border-radius: 999px; padding: 2px 10px; font-size: 12px; color: var(--muted); }
.popover-close:hover { border-color: var(--accent); color: var(--text); }

/* ---- 스크롤바 (UI 톤에 맞춤) ---- */
#side, .picker-menu, .controls, .popover, .stages { scrollbar-width: thin; scrollbar-color: #3a4f7a transparent; }
#side::-webkit-scrollbar, .picker-menu::-webkit-scrollbar, .controls::-webkit-scrollbar, .popover::-webkit-scrollbar, .stages::-webkit-scrollbar { width: 8px; height: 6px; }
#side::-webkit-scrollbar-track, .picker-menu::-webkit-scrollbar-track, .controls::-webkit-scrollbar-track, .popover::-webkit-scrollbar-track, .stages::-webkit-scrollbar-track { background: transparent; }
#side::-webkit-scrollbar-thumb, .picker-menu::-webkit-scrollbar-thumb, .controls::-webkit-scrollbar-thumb, .popover::-webkit-scrollbar-thumb, .stages::-webkit-scrollbar-thumb { background: #3a4f7a; border-radius: 999px; border: 2px solid transparent; background-clip: padding-box; }
#side::-webkit-scrollbar-thumb:hover, .picker-menu::-webkit-scrollbar-thumb:hover { background: #4f68a0; border: 2px solid transparent; background-clip: padding-box; }
.util-slot { display: inline-flex; align-items: center; gap: 6px; margin-left: 4px; flex: 0 0 auto; }
.utils { display: inline-flex; align-items: center; gap: 6px; }

/* ---- 툴팁 ---- */
#tooltip {
  position: fixed; display: none; pointer-events: none; z-index: 20;
  background: rgba(20,33,61,0.95); border: 1px solid var(--navy-line); border-radius: 8px; padding: 8px 10px; font-size: 12px; line-height: 1.5;
  box-shadow: 0 6px 20px rgba(0,0,0,0.35);
}

/* ---- 프로젝터 모드: 큰 글씨, 고대비 ---- */
body.projector { font-size: 17px; }
body.projector .sp-caption { font-size: 20px; line-height: 1.6; }
body.projector .sp-title { font-size: 24px; }
body.projector .sp-stage { font-size: 16px; }
body.projector .stage { font-size: 16px; padding: 8px 16px; }
body.projector .sp-tex { font-size: 18px; }
body.projector .ctl-minor, body.projector .brand span { display: none; }
body.projector { --muted: #D5DEEC; --navy-line: #4A5F8C; --side-w: 420px; }

/* ---- 모바일: 측면 패널을 하단 시트로 ---- */
@media (max-width: 860px) {
  body { font-size: 13px; }
  #main { grid-template-columns: 1fr; grid-template-rows: 1fr auto; }
  #side { border-left: 0; border-top: 1px solid var(--navy-line); max-height: 38vh; }
  .side-panel { padding: 10px 14px 16px; }
  .picker { flex: 1; }
  .picker-btn { min-width: 0; width: 100%; }
  .ctl-slider input[type="range"] { width: 90px; }
  .sp-graph { max-height: 140px; }
}