:root{
  --bg:#f5f4f0; --surface:#fbfbf9; --panel:#ffffff; --panel-soft:#f7f6f2;
  --ink:#1c1c1a; --ink-hover:#3a3935; --ink-2:#55534d; --sub:#7a776f; --muted:#8a877f;
  --line:#e3e1db; --line-2:#dcdad3; --line-3:#efeee9; --hover:#efeee9; --soft:#f3f2ee; --track:#ebe9e3;
  --accent:#c8643b; /* 테라코타 */
  --accent-soft:#f6e4da;
  --font:"IBM Plex Sans KR",sans-serif; --mono:"JetBrains Mono",monospace;
  --serif:"Gowun Batang","IBM Plex Sans KR",serif;
}
*{box-sizing:border-box}
[hidden]{display:none !important}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased;word-break:keep-all}
button{font:inherit;color:inherit}
.mono-label{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--muted)}
.app{min-height:calc(100vh - 48px);display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 28px;border-bottom:1px solid var(--line);background:var(--surface);flex-wrap:wrap}
.brand{display:flex;align-items:baseline;gap:14px;min-width:0;flex-wrap:wrap}
.home{font-size:13px;color:var(--ink-2);text-decoration:none}
.home:hover{color:var(--ink)}
.brand-title{font-size:17px;font-weight:700;letter-spacing:-.01em}
.btn{height:36px;padding:0 14px;background:transparent;border:1px solid var(--line-2);border-radius:999px;font-size:13px;cursor:pointer}
.btn:hover{background:var(--hover)}
.btn:disabled{opacity:.4;cursor:default}
.btn--solid{background:var(--ink);color:#fff;border:none;font-weight:500}
.btn--solid:hover{background:var(--ink-hover)}
.btn--solid:disabled:hover{background:var(--ink)}
.text-input{height:40px;padding:0 12px;background:var(--surface);border:1px solid var(--line-2);border-radius:8px;font:inherit;font-size:14px;color:var(--ink)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ---------- 레이아웃 ---------- */
.layout{flex:1;display:flex;align-items:flex-start;gap:0;background:linear-gradient(90deg,var(--surface) 359px,var(--line) 359px 360px,transparent 360px)}
.side{flex:0 0 360px;position:sticky;top:0;max-height:100vh;overflow-y:auto;padding:36px 28px 40px;display:flex;flex-direction:column;gap:28px}
.board{flex:1;min-width:0;padding:32px 36px 48px;display:flex;flex-direction:column;gap:14px}

.intro{display:flex;flex-direction:column;gap:10px}
.headline{margin:0;font-family:var(--serif);font-weight:700;font-size:30px;line-height:1.3;letter-spacing:-.02em}
.lead{margin:0;font-size:14px;line-height:1.7;color:var(--ink-2)}

.field-label{display:block;margin-bottom:8px;font-size:13px;font-weight:500;color:var(--ink-2)}
.birth-row{display:flex;gap:8px}
.birth-row .text-input{flex:1;min-width:0;height:44px;font-family:var(--mono);font-size:15px}
.birth-row .btn{height:44px}
.error{margin:8px 0 0;font-size:12px;color:var(--accent)}

.summary{display:flex;flex-direction:column;gap:10px;animation:rise .5s ease-out}
.pct-line{margin:0}
.pct{display:flex;align-items:baseline;font-family:var(--mono);font-weight:500;line-height:1;letter-spacing:-.04em}
#pctNum{font-size:72px}
.pct-unit{font-size:28px;margin-left:4px;color:var(--accent)}
.pct-bar{height:6px;background:var(--track);border-radius:999px;overflow:hidden}
.pct-bar span{display:block;height:100%;width:0;background:var(--ink);border-radius:999px;transition:width 1s cubic-bezier(.2,.8,.2,1)}
.season{margin:4px 0 0;font-family:var(--serif);font-size:17px;line-height:1.6}
.season em{font-style:normal;color:var(--accent);font-weight:700}
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin:8px 0 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.facts div{padding:12px 0;display:flex;flex-direction:column;gap:4px}
.facts div + div{padding-left:12px;border-left:1px solid var(--line-3)}
.facts dt{font-size:11px;color:var(--muted)}
.facts dd{margin:0;font-family:var(--mono);font-size:16px;font-weight:500}

.moments{display:flex;flex-direction:column;gap:12px;animation:rise .6s ease-out}
.moments-title{margin:0;display:flex;align-items:baseline;justify-content:space-between;gap:8px;font-size:15px;font-weight:700}
.cards{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.moments-title .note{font-size:12px;font-weight:400;color:var(--muted)}
.card{padding:14px;background:var(--panel);border:1px solid var(--line);border-radius:12px;display:flex;flex-direction:column;gap:4px}
.card-k{font-size:12px;color:var(--sub)}
.card-v{font-family:var(--mono);font-size:24px;font-weight:500;letter-spacing:-.02em}
.card-v small{font-family:var(--font);font-size:13px;color:var(--sub);margin-left:2px;letter-spacing:0}
.card-note{font-size:11px;color:var(--muted);line-height:1.5}

.empty-note{padding:18px;border:1px dashed var(--line-2);border-radius:12px;display:flex;flex-direction:column;gap:8px}
.empty-note p{margin:0;font-size:14px;color:var(--ink-2);line-height:1.6}
.empty-note .note{font-size:12px;color:var(--muted)}

/* ---------- 격자 ---------- */
.board-head{display:flex;justify-content:space-between;align-items:center;gap:10px 16px;flex-wrap:wrap}
.legend{display:flex;gap:14px;flex-wrap:wrap}
.lg{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--ink-2)}
.sq{width:10px;height:10px;border:1px solid var(--line-2);border-radius:2px;background:var(--panel)}
.sq--past{background:var(--ink);border-color:var(--ink)}
.sq--now{background:var(--accent);border-color:var(--accent)}
.tip{font-size:12px;color:var(--sub);font-variant-numeric:tabular-nums;min-height:18px}
.grid-wrap{position:relative;width:100%;max-width:980px}
#grid{display:block;width:100%;touch-action:manipulation;cursor:crosshair}
.now-mark{position:absolute;border-radius:3px;box-shadow:0 0 0 2px var(--accent);pointer-events:none;animation:ping 1.6s ease-out infinite}
@keyframes ping{0%{box-shadow:0 0 0 1px rgba(200,100,59,.9)}100%{box-shadow:0 0 0 9px rgba(200,100,59,0)}}
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

@media (max-width:900px){
  .layout{flex-direction:column;background:none}
  .side{position:static;flex:none;width:100%;max-height:none;border-bottom:1px solid var(--line);background:var(--surface);padding:28px 16px}
  .board{width:100%;padding:24px 16px 40px}
  .headline{font-size:26px}
  #pctNum{font-size:60px}
}
@media (max-width:640px){
  .topbar{padding:14px 16px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
}

/* 다크 모드 (인쇄는 라이트 그대로) · PNG 저장 결과물은 항상 라이트 */
@media screen{
  :root[data-theme="dark"]{
    color-scheme:dark;
    --bg:#151412; --surface:#1b1a17; --panel:#201f1c; --panel-soft:#262521;
    --ink:#edebe6; --ink-hover:#ffffff; --ink-2:#cac7bf; --sub:#a29f96; --muted:#8c897f;
    --line:#302e2a; --line-2:#3b3934; --line-3:#2a2925; --hover:#2c2b27; --soft:#282723; --track:#36342f;
    --accent:#e48a62; --accent-soft:rgba(228,138,98,.16);
    /* 화면 격자(캔버스)용 색 */
    --lc-ink:#b3afa6; --lc-future:#201f1c; --lc-line:#3d3b36; --lc-label:#8c897f; --lc-accent:#e48a62;
  }
  :root[data-theme="dark"] .btn--solid{color:var(--bg)}
  :root[data-theme="dark"] .sq--past{background:#b3afa6;border-color:#b3afa6}
}