/* 빌딩플랜 계약·지급 관리 — 장부 스타일
   먹색(잉크) 한 가지로 구조를 잡고, 색은 상태(완료·주의·지남)와 종류 표시에만 씁니다. */
:root{
  --paper:#eceeec;--sheet:#fff;--ink:#1b1f24;--ink2:#464e57;--mut:#79828b;
  --rule:#d6dad8;--rule2:#e6e9e7;--wash:#f5f6f5;
  --accent:#2446d6;--accent-soft:#e7ecfc;
  --ok:#1b7a4a;--ok-soft:#e2f3e9;--warn:#a65f08;--warn-soft:#fdf0db;--late:#b6342a;--late-soft:#fbe4e0;
  --font:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic","Noto Sans KR",sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0}
body{
  background:var(--paper);
  background-image:linear-gradient(rgba(27,31,36,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(27,31,36,.035) 1px,transparent 1px);
  background-size:28px 28px;
  color:var(--ink);font-family:var(--font);font-size:15px;line-height:1.55;
  -webkit-font-smoothing:antialiased;font-feature-settings:"tnum" 1,"ss05" 0;
}
#wrap{max-width:880px;margin:0 auto;padding:18px 14px 96px}
button,input,select,textarea{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* 머리글 */
.top{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:6px 12px;padding:4px 2px 14px;margin-bottom:6px;border-bottom:2px solid var(--ink)}
.top h1{margin:0;font-size:21px;font-weight:750;letter-spacing:-.025em;line-height:1.2}
.who{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--mut)}

/* 입력 */
select,input[type=text],input[type=date],input[type=month],textarea{
  font:inherit;color:inherit;width:100%;background:#fff;border:1px solid var(--rule);border-radius:9px;padding:9px 11px;
  transition:border-color .15s;
}
input[type=text]:hover,input[type=date]:hover,select:hover{border-color:#b9bfbc}
select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--mut) 50%),linear-gradient(135deg,var(--mut) 50%,transparent 50%);background-position:calc(100% - 17px) 55%,calc(100% - 12px) 55%;background-size:5px 5px;background-repeat:no-repeat;padding-right:30px}
input[type=checkbox]{accent-color:var(--ok);width:17px;height:17px;margin:0;flex:none}
label.f{display:block;font-size:12.5px;color:var(--mut);font-weight:500}
label.f>*{margin-top:4px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.chk{display:flex;gap:9px;align-items:center;font-size:14px;margin-top:6px;color:var(--ink2)}
.hint{font-size:12.5px;color:var(--mut);margin:8px 0 0;line-height:1.5}
.mut{font-size:12.5px;color:var(--mut)}

/* 버튼 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid #c5cac7;background:#fff;color:var(--ink);border-radius:10px;padding:9px 15px;font-weight:600;font-size:14px;cursor:pointer;line-height:1.3;transition:background .15s,border-color .15s}
.btn:hover{background:var(--wash);border-color:#aab0ad}
.btn.pri{background:var(--ink);border-color:var(--ink);color:#fff}
.btn.pri:hover{background:#000}
.btn.sm{padding:5px 11px;font-size:13px;border-radius:8px}
.btn.del{color:var(--mut)}
.btn.del:hover{color:var(--late);border-color:#e3b3ad;background:#fff}
.btn[disabled]{opacity:.45;cursor:default}

/* 칩 · 태그 */
.tag{display:inline-flex;align-items:center;gap:4px;font-size:11.5px;font-weight:650;padding:1px 8px;border-radius:6px;background:#edf0ee;color:var(--ink2);vertical-align:middle;margin-left:4px;line-height:1.6}
.tag.cmpl{background:var(--ok-soft);color:var(--ok)}
.tag.auto{background:var(--accent-soft);color:var(--accent)}
.tag.warn,.tag.soon{background:var(--warn-soft);color:var(--warn)}
.tag.late{background:var(--late-soft);color:var(--late)}
.kd{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:650;color:var(--ink2);--kc:#8a939c}
.kd::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--kc);flex:none}
.kd.k-1{--kc:var(--accent)}.kd.k0{--kc:#5d7088}.kd.k1{--kc:#c28a2c}.kd.k2{--kc:#7b66c2}.kd.k3{--kc:#c05a77}.kd.k4{--kc:#9aa1a8}
.pos{color:var(--ok)}.neg{color:var(--late)}

/* 하위 탭: 밑줄형. 남은 일이 있으면 주황 점, 모두 끝나면 초록 점 */
.subtabs{display:flex;gap:2px;overflow-x:auto;margin:14px 0 14px;border-bottom:1px solid var(--rule);scrollbar-width:none}
.subtabs::-webkit-scrollbar{display:none}
.subtabs button{flex:none;display:inline-flex;align-items:center;gap:7px;background:none;border:0;border-bottom:2.5px solid transparent;margin-bottom:-1px;padding:10px 13px;font-size:14.5px;font-weight:600;color:var(--mut);cursor:pointer;white-space:nowrap;transition:color .15s,border-color .15s}
.subtabs button:hover{color:var(--ink)}
.subtabs button.on{color:var(--ink);border-bottom-color:var(--ink);font-weight:750}
.subtabs button.warn::before,.subtabs button.ok::before{content:"";width:8px;height:8px;border-radius:50%;flex:none}
.subtabs button.warn::before{background:#e08a1a}
.subtabs button.ok::before{background:#2c9d63}
.subtabs button.warn:not(.on){color:var(--warn)}
.subtabs button.ok:not(.on){color:var(--ok)}

/* 카드 */
.card{background:var(--sheet);border:1px solid var(--rule);border-radius:14px;padding:16px 18px;margin-bottom:12px}
.card h2{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 8px;font-size:17px;font-weight:720;letter-spacing:-.02em;margin:0 0 6px;line-height:1.35}
.card h2 .bd{margin-left:auto;font-size:14px;font-weight:700;letter-spacing:0}
.card.warn{background:#fff8ec;border-color:#eed9ab}
.card.warn b{color:var(--warn)}
.cmplcard{box-shadow:inset 3px 0 0 #2c9d63}
.finbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.finbar input[type=month]{flex:1 1 150px;max-width:210px;font-weight:650}
.finbar select{flex:1 1 180px}

/* 요약 숫자 */
.sum{display:grid;grid-template-columns:repeat(3,1fr);gap:18px 0;margin-top:12px}
.sum div{padding:2px 18px;border-left:1px solid var(--rule2);min-width:0}
.sum div:nth-child(3n+1){border-left:0;padding-left:0}
.sum span{display:block;font-size:12.5px;color:var(--mut);font-weight:500}
.sum b{display:block;font-size:23px;font-weight:750;letter-spacing:-.03em;line-height:1.25;font-variant-numeric:tabular-nums}
@media(max-width:560px){.sum{grid-template-columns:1fr 1fr;gap:14px 10px}.sum div,.sum div:nth-child(3n+1){border-left:0;padding:0}.sum b{font-size:20px}}

/* 정산 항목 줄 */
.finrow2{padding:13px 0;border-top:1px solid var(--rule2)}
.finrow2:first-of-type{border-top:0}
.finrow2.cmpl{background:#f6fbf8;margin:0 -10px;padding:13px 10px;border-radius:10px;border-top-color:transparent}
.finrow2 .fl{min-width:0}
.finrow2 .fl b{font-weight:680;margin-left:2px}
.finrow2 .ctl{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:9px}
.finrow2 .fa{width:132px;text-align:right;font-weight:650;font-variant-numeric:tabular-nums;padding:7px 10px}
.finrow2 .fd{width:auto;padding:6px 9px;font-size:13.5px}
.ftog{display:inline-flex;align-items:center;gap:7px;padding:6px 12px 6px 10px;border:1px solid var(--rule);border-radius:9px;font-size:13.5px;background:#fff;cursor:pointer;color:var(--ink2);margin:0;user-select:none;transition:background .15s,border-color .15s}
.ftog:hover{border-color:#b6bcb9}
.ftog.on{background:var(--ok-soft);border-color:#9ccfb2;color:var(--ok);font-weight:650}
.bfoot{margin-top:10px;padding-top:12px;border-top:1px solid var(--ink);font-size:13px;color:var(--ink2);line-height:1.7;font-variant-numeric:tabular-nums}
.bfoot b{font-size:15px;color:var(--ink)}
.bfoot b.neg{color:var(--late)}

/* 계약·입금 목록 */
details.zone{background:var(--sheet);border:1px solid var(--rule);border-radius:14px;margin-bottom:12px;overflow:hidden}
details.zone>summary{list-style:none;cursor:pointer;padding:14px 18px;display:flex;align-items:baseline;gap:10px;font-weight:720;font-size:16.5px;letter-spacing:-.02em}
details.zone>summary::-webkit-details-marker{display:none}
details.zone>summary::after{content:"";margin-left:2px;width:7px;height:7px;border-right:2px solid var(--mut);border-bottom:2px solid var(--mut);transform:rotate(45deg) translateY(-2px);transition:transform .2s;align-self:center;order:3}
details.zone[open]>summary::after{transform:rotate(-135deg) translateY(-1px)}
details.zone>summary .cnt{margin-left:auto;font-weight:500;font-size:12.5px;color:var(--mut);order:2}
details.zone>summary>span:first-child{order:1}
details.citem{border-top:1px solid var(--rule2)}
details.citem>summary{list-style:none;cursor:pointer;display:flex;align-items:center;flex-wrap:wrap;gap:4px 8px;padding:12px 18px;font-size:14.5px}
details.citem>summary::-webkit-details-marker{display:none}
details.citem>summary:hover{background:var(--wash)}
details.citem>summary .amt{margin-left:auto;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
details.citem[open]>summary{background:var(--wash)}
.sub{background:var(--wash);padding:14px 18px 16px;display:grid;gap:12px;border-top:1px solid var(--rule2)}
.sub .row{gap:12px}
.fbox{border:1px dashed #b9bfbc;border-radius:10px;padding:12px;background:#fff}
.frow2{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:8px 0;border-top:1px solid var(--rule2);flex-wrap:wrap}
.frow2:first-of-type{border-top:0}
.fnm{min-width:0;word-break:break-all}
.fup{cursor:pointer;margin-top:8px}
.exrow{display:flex;flex-wrap:wrap;gap:6px 8px;align-items:center;padding:7px 0;border-top:1px solid #f0e0b9}
.exrow:first-child{border-top:0}

#toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);max-width:calc(100% - 28px);background:var(--ink);color:#fff;padding:10px 18px;border-radius:12px;font-size:13.5px;z-index:20;display:none;box-shadow:0 8px 28px rgba(0,0,0,.22)}

@media(max-width:560px){
  #wrap{padding:14px 10px 90px}
  .top h1{font-size:19px}
  .card{padding:14px 14px;border-radius:12px}
  .row{grid-template-columns:1fr}
  details.zone>summary,details.citem>summary,.sub{padding-left:14px;padding-right:14px}
  .finrow2 .fa{width:118px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}