/* 트립셈 — 여행 가계부 수첩 */
:root{
  --bg:#f7f4ee;
  --paper:#fffdf7;
  --ink:#173f2e;
  --ink-soft:#33523f;
  --muted:#7d7768;
  --line:#ddd5c3;
  --mustard:#c9932b;
  --mustard-dark:#8f6817;
  --danger:#a63a3a;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Consolas,monospace;
  --serif:"Gowun Batang","Noto Serif KR",serif;
}
*{box-sizing:border-box}
body{margin:0;color:var(--ink);background:var(--bg);font-family:system-ui,-apple-system,"Segoe UI","Noto Sans KR",sans-serif;font-size:15px;line-height:1.65}
a{color:var(--mustard-dark);text-decoration:none}
a:hover{text-decoration:underline}
button,input,select,textarea{font:inherit}
button,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 20px;border:1px solid var(--ink);border-radius:6px;background:var(--ink);color:var(--bg);font-weight:600;cursor:pointer;text-decoration:none}
button:hover,.button:hover{background:var(--ink-soft);text-decoration:none}
button:disabled{opacity:.45;cursor:not-allowed}
.secondary{background:transparent;color:var(--ink);border-color:var(--ink)}
.secondary:hover{background:#173f2e14}
.danger{background:transparent;color:var(--danger);border-color:var(--danger)}
.danger:hover{background:#a63a3a12}
.small{font-size:13px;padding:7px 12px;min-height:36px}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid #c4bca8;border-radius:6px;background:var(--paper);color:var(--ink);min-height:44px}
input[type=checkbox]{width:18px;height:18px;min-height:0;accent-color:var(--ink)}
input:focus,select:focus,textarea:focus,button:focus-visible,a:focus-visible{outline:2px solid var(--mustard);outline-offset:2px}
label{display:block;font-weight:600;font-size:13px;margin-bottom:6px}
textarea{resize:vertical;min-height:85px}
h1,h2,h3,p{margin-top:0}
h1{font-family:var(--serif);font-size:clamp(28px,4vw,40px);font-weight:700;letter-spacing:-.5px;line-height:1.3;margin-bottom:12px}
h2{font-family:var(--serif);font-size:20px;font-weight:700;letter-spacing:-.3px}
h3{font-size:15px}
small,.muted{color:var(--muted)}
.eyebrow{font-size:11px;letter-spacing:3px;font-weight:700;color:var(--mustard-dark);margin-bottom:14px}
.money,.amount,.stat strong,td{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ── 상단 바 ── */
.topbar{background:var(--bg);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1180px;margin:auto;padding:16px 28px;display:flex;align-items:center;gap:24px}
.logo{display:inline-flex;align-items:center;gap:9px;font-family:var(--serif);font-weight:700;font-size:23px;letter-spacing:-.5px;color:var(--ink);margin-right:auto}
.logo:hover{text-decoration:none}
.logo svg{display:block}
.nav-user{color:var(--muted);font-size:13px}
.container{max-width:1180px;margin:0 auto;padding:42px 28px 70px}

/* ── 히어로 ── */
.hero{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:30px}
.hero p{margin-bottom:0}
.hero-home,.auth-intro{
  background-color:var(--ink);
  background-image:url('/assets/hero.jpg');
  background-position:center;
  background-size:cover;
  background-repeat:no-repeat;
  border-radius:14px;
  color:var(--bg);
  padding:52px 44px;
}
.hero-home{align-items:flex-end}
.hero-home .muted{color:#d9d2bf}
.hero-home h1{color:var(--bg)}
.hero-home button{background:var(--mustard);border-color:var(--mustard);color:var(--ink)}
.hero-home button:hover{background:#d9a63e}
.actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}

/* ── 카드 / 그리드 ── */
.card{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:24px}
.grid{display:grid;gap:20px}
.trip-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.trip-card{position:relative;display:flex;flex-direction:column;gap:14px;color:var(--ink);border-top:3px solid var(--ink);transition:border-color .15s}
.trip-card:hover{border-color:var(--mustard);text-decoration:none}
.trip-card h2{margin:4px 0}
.trip-card .amount{font-size:24px;font-weight:700;text-align:right}
.card-footer{display:flex;align-items:center;justify-content:space-between;border-top:1px dashed var(--line);padding-top:13px;margin-top:auto}
.badge{display:inline-block;width:max-content;padding:2px 0;font-size:11px;font-weight:700;letter-spacing:1.5px;color:var(--mustard-dark);background:none;border:none}
.badge.completed{color:var(--muted)}
.join-box{display:flex;align-items:center;justify-content:space-between;gap:24px;margin:30px 0;border-left:4px solid var(--mustard)}
.join-box h2,.join-box p{margin-bottom:3px}
.join-form{display:flex;gap:8px}
.join-form input{max-width:180px;text-transform:uppercase;letter-spacing:3px;font-family:var(--mono)}
.empty{text-align:center;padding:45px 20px;color:var(--muted)}

/* ── 요약 수치 ── */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-bottom:26px;border:1px solid var(--line);border-radius:12px;background:var(--paper);overflow:hidden}
.stat{padding:20px 22px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
.stat strong{display:block;margin-top:6px;font-size:25px;line-height:1.2;text-align:right}
.stat.primary{background:var(--ink);color:var(--bg)}
.stat.primary small{color:#c9c2ae}

/* ── 서브 낸비 ── */
.subnav{display:flex;gap:4px;border-bottom:1px solid var(--line);margin:0 0 26px;overflow:auto}
.subnav a{white-space:nowrap;padding:9px 14px;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px}
.subnav a.active{color:var(--ink);font-weight:700;border-bottom-color:var(--mustard)}
.subnav a:hover{text-decoration:none;color:var(--ink)}

/* ── 레이아웃 / 폼 ── */
.two-col{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(300px,1fr);gap:24px;align-items:start}
.stack>*+*{margin-top:20px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.full{grid-column:1/-1}
.form-actions{margin-top:20px;display:flex;gap:8px;flex-wrap:wrap}
.participant{display:grid;grid-template-columns:1fr 130px;align-items:center;gap:12px;padding:8px 0;border-bottom:1px dashed var(--line)}
.participant:last-of-type{border-bottom:0}
.participant label{display:flex;align-items:center;gap:9px;margin:0}
.participant input{font-family:var(--mono);font-variant-numeric:tabular-nums;text-align:right}
.split-note{font-size:12px;margin-top:10px;font-family:var(--mono);font-variant-numeric:tabular-nums}
.invalid{color:var(--danger)}
.valid{color:var(--ink-soft)}

/* ── 장부 리스트 ── */
.timeline h3{font-family:var(--serif);font-size:13px;font-weight:700;letter-spacing:1px;color:var(--mustard-dark);margin:26px 0 4px;padding-bottom:6px;border-bottom:1px solid var(--line)}
.expense{display:flex;width:100%;align-items:center;justify-content:space-between;text-align:left;gap:18px;background:transparent;color:var(--ink);border:0;border-bottom:1px dashed var(--line);border-radius:0;margin:0;padding:15px 4px;font-weight:400;min-height:0}
button.expense:hover{background:#173f2e08}
.expense strong{display:block;font-weight:600}
.expense small{display:block;margin-top:3px}
.expense .money{white-space:nowrap;text-align:right;font-weight:700}
.expense .money small{font-weight:400}
.category{display:inline-block;font-size:11px;font-weight:700;letter-spacing:1.5px;color:var(--mustard-dark);margin-bottom:4px;padding:0;background:none;border:none}
.member-list{display:flex;flex-wrap:wrap;gap:8px 0;margin:15px 0}
.member-chip{padding:4px 12px 4px 0;margin-right:12px;border-right:1px solid var(--line);font-size:13px;background:none;border-radius:0}
.member-chip:last-child{border-right:0}
.filters{display:flex;gap:10px}
.filters select{max-width:170px}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:14px}
.section-head h2{margin:0}

/* ── 정산 ── */
.settlement{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:20px 4px;border-bottom:1px dashed var(--line)}
.settlement:last-child{border-bottom:0}
.settlement strong{display:block;font-size:19px;text-align:right}
.settlement label{display:flex;align-items:center;gap:9px;white-space:nowrap}
.settlement.done .transfer{text-decoration:line-through;color:var(--muted)}
.notice{padding:13px 16px;border-left:3px solid var(--mustard);background:#c9932b14;font-size:13px;margin:18px 0}

/* ── 대시보드 ── */
.chart-grid{grid-template-columns:minmax(0,1fr) minmax(0,1.2fr)}
canvas{display:block;width:100%;height:300px}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;margin-top:15px}
.legend span{display:inline-flex;align-items:center;gap:6px}
.swatch{display:inline-block;width:10px;height:10px;border-radius:2px}
.table-wrap{overflow:auto}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{padding:12px;border-bottom:1px solid var(--line);text-align:right;white-space:nowrap}
th:first-child,td:first-child{text-align:left;font-family:system-ui,-apple-system,"Segoe UI","Noto Sans KR",sans-serif}
th{font-size:12px;color:var(--muted);letter-spacing:1px}

/* ── 다이얼로그 ── */
dialog{border:1px solid var(--line);border-radius:14px;padding:28px;width:min(480px,calc(100% - 30px));max-height:90vh;color:var(--ink);background:var(--paper)}
dialog::backdrop{background:#173f2e80}
.dialog-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.dialog-head h2{margin:0}

/* ── 로그인 ── */
.auth-shell{min-height:calc(100vh - 76px);display:grid;grid-template-columns:1fr 440px;gap:60px;align-items:center;max-width:1100px;margin:auto;padding:50px 28px}
.auth-intro h1{font-size:clamp(38px,5.5vw,58px);line-height:1.25;color:var(--bg)}
.auth-intro h1 em{font-style:normal;color:var(--mustard)}
.auth-intro p{color:#d9d2bf;max-width:360px}
.ticket{border:1px dashed #d9d2bf;border-radius:10px;padding:18px 20px;margin-top:32px;max-width:340px;display:flex;justify-content:space-between;align-items:center;color:var(--bg)}
.ticket small{color:#c9c2ae}
.ticket strong{font-family:var(--serif);font-size:19px}
.ticket .badge{color:var(--mustard)}
.tabs{display:flex;gap:8px;margin-bottom:24px;border-bottom:1px solid var(--line)}
.tabs button{flex:1;background:none;border:0;border-bottom:2px solid transparent;color:var(--muted);border-radius:0;margin-bottom:-1px}
.tabs button:hover{background:none;color:var(--ink)}
.tabs button[aria-selected=true]{color:var(--ink);border-bottom-color:var(--mustard);font-weight:700}
.auth-form{display:grid;gap:17px}
.message{display:none;padding:13px 17px;background:#a63a3a14;border:1px solid #a63a3a55;color:var(--danger);border-radius:8px;margin-bottom:20px;overflow-wrap:anywhere}
.message.visible{display:block}
.message.success{background:#173f2e12;border-color:#173f2e55;color:var(--ink)}
[hidden]{display:none!important}
.footer-note{text-align:center;margin-top:30px;color:var(--muted);font-size:12px}
.readonly-label{font-size:11px;letter-spacing:2px;color:var(--mustard-dark)}

@media(max-width:850px){
  .trip-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .two-col,.chart-grid{grid-template-columns:1fr}
  .auth-shell{grid-template-columns:1fr;gap:26px;max-width:520px}
  .auth-intro{padding:34px 26px}
  .auth-intro h1{font-size:38px}
  .ticket{display:none}
  .auth-intro p{margin-bottom:0}
  .hero{align-items:flex-start}
  .hero-home{padding:36px 26px}
  .nav-user{display:none}
}
@media(max-width:480px){
  .container{padding:26px 16px 45px}
  .nav-inner{padding:13px 16px;gap:13px}
  .logo{font-size:20px}
  .nav-inner>a:not(.logo){font-size:13px}
  .nav-inner button{padding:7px 10px;font-size:12px}
  .hero,.join-box{flex-direction:column;align-items:stretch;gap:16px}
  .hero-home,.auth-intro{padding:30px 20px}
  .trip-grid{grid-template-columns:1fr}
  .card{padding:18px}
  .stats{grid-template-columns:1fr}
  .stat{display:flex;justify-content:space-between;align-items:center;padding:15px 18px;border-left:0;border-top:1px solid var(--line)}
  .stat:first-child{border-top:0}
  .stat strong{font-size:21px;margin:0}
  .form-grid{grid-template-columns:1fr}
  .full{grid-column:auto}
  .join-form input{max-width:none;min-width:0}
  .join-form button{white-space:nowrap}
  .section-head{flex-wrap:wrap}
  .filters{width:100%}
  .filters select{max-width:none}
  .settlement{gap:10px}
  .settlement strong{font-size:17px}
  .expense{gap:10px;padding:13px 2px}
  .expense .money{font-size:14px}
  .auth-shell{padding:26px 16px}
  .auth-intro h1{font-size:32px}
  .subnav a{padding:8px 11px}
  .participant{grid-template-columns:1fr 110px}
  .member-chip{padding-right:9px;margin-right:9px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}