@import url('https://fonts.googleapis.com/css2?family=DM+Mono&family=Manrope:wght@400;500;600;700&display=swap');
:root{--ink:#192520;--muted:#6a746f;--line:#d9ded8;--paper:#f4f2eb;--accent:#c65b31;--deep:#1c3730;--ok:#2e7d54;--warn:#b3541e}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Manrope,Arial,sans-serif}
main{max-width:1180px;margin:auto;padding:48px 30px 80px}
header,.actions,.section-title,.expense-fields,.category-row,.debt-row,.transfer{display:flex;align-items:center}
header,.section-title{justify-content:space-between}
h1{font-size:clamp(2.2rem,6vw,4.7rem);letter-spacing:-.07em;margin:4px 0 0;line-height:.94}
h2{font-size:1.25rem;margin:3px 0 22px;letter-spacing:-.04em}
h3{margin:0;font-size:.85rem}
.eyebrow,.label{font:11px 'DM Mono',monospace;letter-spacing:.08em;color:var(--muted);margin:0;text-transform:uppercase}
.actions{gap:14px;font:600 .75rem 'DM Mono',monospace}
.save-ok{color:var(--ok)}.save-dirty{color:var(--muted)}.save-error{color:var(--warn)}
button{border:0;background:var(--ink);color:#fff;padding:12px 17px;border-radius:2px;font:600 .78rem Manrope;cursor:pointer}
.hero{background:var(--deep);color:#f7f5ed;padding:36px 38px;margin:50px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:30px}
.hero .label{color:#b7c9bd}
.hero strong{display:block;font-size:clamp(2.5rem,5vw,4.6rem);letter-spacing:-.07em;margin:8px 0}
.balance{border-left:1px solid #5c756d;padding-left:35px}
.muted{color:var(--muted);font-size:.8rem}
.hero .muted{color:#c5d1ca}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line)}
.metrics div{padding:26px 12px 25px 0}
.metrics p{font-size:.72rem;color:var(--muted);margin:0 0 8px}
.metrics strong{font-size:1.35rem;letter-spacing:-.05em}
.metric-sub{display:block;font:11px 'DM Mono',monospace;color:var(--muted);margin-top:5px}
.debts-block{margin-top:44px;border-bottom:1px solid var(--line);padding-bottom:30px}
.debt-row{justify-content:space-between;gap:16px;border-top:1px solid var(--line);padding:14px 0}
.debt-row:first-child{border-top:0}
.debt-people{display:flex;align-items:center;gap:10px;font-size:.9rem}
.debt-people b{font-weight:600}
.arrow{color:var(--accent);font-weight:600}
.debt-row strong{font-family:'DM Mono';font-size:1rem;margin-left:auto}
.all-clear{color:var(--ok);font-size:.85rem;margin:6px 0 0}
.all-clear::before{content:'✓ ';font-weight:700}
.quiet{background:transparent;color:var(--accent);padding:6px 0;white-space:nowrap}
.tabs{display:flex;gap:4px;margin-top:34px;border-bottom:1px solid var(--line)}
.tab-btn{background:transparent;color:var(--muted);padding:11px 4px;margin-right:26px;border-radius:0;border-bottom:2px solid transparent;font:600 .82rem Manrope}
.tab-btn.active{color:var(--ink);border-bottom-color:var(--accent)}
[data-tab-panel]{padding-top:8px}
[data-tab-panel][hidden]{display:none}
.categories-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px}
.person-row{display:flex;align-items:center;gap:14px;border-top:1px solid var(--line);padding:12px 0}
.person-row:first-child{border-top:0}
.person-name{font:600 .95rem Manrope;flex:0 1 160px;border-bottom:1px solid var(--line);padding-bottom:2px}
.person-you{font:11px 'DM Mono',monospace;color:var(--ok);text-transform:uppercase;letter-spacing:.05em}
.person-row .person-copy{margin-left:auto}
#expense-list{display:grid;gap:10px;margin-top:6px}
.expense{border:1px solid var(--line);border-radius:8px;padding:16px 18px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;background:#fbfaf6;transition:border-color .15s}
.expense:hover,.expense:focus-within{border-color:#b8c2b8}
.expense.is-fact{background:#f5faf6;border-color:#cfe3d4}
.expense.is-option{opacity:.55}
.expense-main{flex:1 1 300px;display:grid;gap:8px;min-width:0}
.expense input,.expense select,input,select{border:0;border-bottom:1px solid transparent;background:transparent;font:inherit;color:var(--ink);outline:none;transition:border-color .15s}
.expense input:hover,.expense select:hover,.expense input:focus,.expense select:focus{border-bottom-color:var(--line)}
.title{font-weight:600;font-size:1rem;width:100%}
.category{font-size:.72rem;color:var(--muted);width:min-content}
.expense-fields{flex:0 0 auto;gap:8px;flex-wrap:wrap;justify-content:flex-end;align-content:flex-start;align-self:flex-start}
.amount-line{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;justify-content:flex-end;width:100%}
.amount{width:92px;text-align:right;font-family:'DM Mono';font-size:.9rem;font-weight:600}
.equiv{font:11px 'DM Mono',monospace;color:var(--muted);white-space:nowrap}
.expense select{font-size:.75rem}
.paid-wrap{display:inline-flex;align-items:center;gap:4px}
.mini-label{font:10px 'DM Mono',monospace;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.paid-by{color:var(--muted)}
.delete{background:transparent;color:#a5aaa5;font-size:1.4rem;padding:0 4px;line-height:1}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{background:transparent;border:1px solid var(--line);color:var(--muted);padding:3px 11px;border-radius:99px;font:600 .68rem Manrope}
.chip.on{background:var(--deep);border-color:var(--deep);color:#f7f5ed}
.category-row{justify-content:space-between;padding:12px 0;border-top:1px solid var(--line);font-size:.82rem;gap:10px}
.category-sums{display:flex;gap:8px;align-items:baseline}
.category-row strong{font-family:'DM Mono';font-size:.75rem}
.category-row em{font:11px 'DM Mono',monospace;color:var(--muted)}
.transfers{margin-top:34px;padding-top:20px;border-top:1px solid var(--line)}
.transfers .section-title{margin-bottom:4px}
.transfer{gap:7px;border-top:1px solid var(--line);padding:10px 0;font-size:.78rem;flex-wrap:wrap}
.transfer:first-child{border-top:0}
.transfer select{font-size:.75rem}
.t-amount{width:70px;text-align:right;font-family:'DM Mono';font-size:.8rem}
.t-note{flex:1;min-width:90px;font-size:.72rem;color:var(--muted);border-bottom:1px dashed var(--line)}
.settings{margin-top:32px;padding-top:22px;border-top:1px solid var(--line)}
.settings h3{margin-bottom:14px}
label{display:flex;justify-content:space-between;gap:10px;font-size:.75rem;margin:11px 0}
label input{width:72px;text-align:right;border-bottom:1px solid var(--line);font-family:'DM Mono';font-size:.78rem}
.tip{border-left:2px solid var(--accent);padding-left:12px;font-size:.75rem;line-height:1.5;color:var(--muted);margin-top:35px}
.guard{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:24px}
.guard[hidden],[hidden]{display:none !important}
.guard h1{font-size:clamp(1.8rem,5vw,3rem)}
.guard .muted{margin-top:14px;line-height:1.6}
.identity{font-size:.8rem;color:var(--muted);margin:10px 0 0;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.identity b{color:var(--ink)}
.project-select{border:1px solid var(--line);padding:3px 6px;border-radius:2px;font-size:.75rem;background:transparent}
.debt-row.mine{background:linear-gradient(90deg,rgba(198,91,49,.07),transparent 60%)}
.settle-form{display:flex;align-items:center;gap:10px;flex-wrap:wrap;width:100%;font-size:.82rem;padding:4px 0}
.settle-amount{width:100px;text-align:right;font-family:'DM Mono';font-size:.85rem;border-bottom:1px solid var(--line)}
.settle-close{display:inline-flex;align-items:center;gap:5px;font-size:.72rem;color:var(--muted);margin:0}
.settle-close input{width:auto}
.settle-diff{font:11px 'DM Mono',monospace;color:var(--warn)}
.settle-save{padding:8px 13px}
.share-line{display:flex;align-items:center;gap:10px}
.split-toggle{background:transparent;border:1px dashed var(--line);color:var(--muted);padding:2px 9px;border-radius:99px;font:600 .65rem Manrope}
.split-toggle.exact{border-style:solid;border-color:var(--accent);color:var(--accent)}
.share-summary{font:11px 'DM Mono',monospace;color:var(--muted);white-space:nowrap}
.share-summary.share-error{color:var(--warn)}
.share-editor{display:grid;gap:4px;padding:6px 0 2px}
.share-row{display:flex;align-items:center;gap:10px;font-size:.75rem}
.share-row span{min-width:34px}
.share-row input{width:90px;text-align:right;font-family:'DM Mono';font-size:.78rem;border-bottom:1px solid var(--line)}
.share-row .quiet{font-size:.65rem;padding:2px 0}
.links{margin-top:34px;padding-top:20px;border-top:1px solid var(--line)}
.links-hint{font-size:.7rem;line-height:1.45;margin:8px 0 4px}
.link-row{display:flex;align-items:center;justify-content:space-between;padding:8px 0;border-top:1px solid var(--line);font-size:.82rem}
.link-row:first-child{border-top:0}
.t-adjustment{font:10px 'DM Mono',monospace;color:var(--warn);width:100%}
.adjustments{margin-top:30px;padding:16px 18px;border:1px solid #e3cdb8;border-radius:8px;background:#fbf3ea}
.adjustments .section-title{margin-bottom:2px}
.adjustment-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;border-top:1px solid #e8d7c6;padding:10px 0;font-size:.8rem}
.adjustment-row:first-child{border-top:0}
.adjustment-row strong{font-family:'DM Mono';color:var(--warn)}
.wide{width:130px !important}
#export-csv{margin-top:14px}
@media(max-width:720px){
  main{padding:30px 18px}
  .hero{grid-template-columns:1fr}
  .balance{border:0;border-top:1px solid #5c756d;padding:22px 0 0}
  .metrics{grid-template-columns:1fr 1fr}
  .metrics div{padding:18px 6px 18px 0}
  .categories-grid{grid-template-columns:1fr}
  .expense{flex-direction:column;align-items:stretch}
  .expense-fields{justify-content:space-between}
  .debt-row{flex-wrap:wrap}
  .debt-row strong{margin-left:0}
  .debt-row .quiet{margin-left:auto}
  .tabs{gap:0;overflow-x:auto}
  .tab-btn{margin-right:16px;white-space:nowrap}
  .person-row{flex-wrap:wrap}
}