:root{
  --soil-900:#1c2a1a;
  --leaf-700:#3d5c31;
  --leaf-600:#4f7a3d;
  --gold-600:#b9832f;
  --gold-500:#d4a24c;
  --gold-100:#f4e4c1;
  --rust-600:#a34a2f;
  --rust-100:#f3ddd2;
  --paper:#f4efe0;
  --paper-2:#eee6cf;
  --ink:#2a2517;
  --ink-soft:#5c5644;
  --line:#d8cba8;
  --card:#fbf8ef;
  --white:#fffdf7;
  --danger:#a32d2d;
}
*{box-sizing:border-box;}
html,body{overflow-x:hidden;max-width:100%;}
body{
  margin:0;
  font-family:'Work Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background:var(--paper);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:'Zilla Slab', Georgia, serif;}
input,select,button{font-family:inherit;font-size:16px;}

.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;
  padding:calc(20px + env(safe-area-inset-top)) 20px calc(20px + env(safe-area-inset-bottom));}
.auth-card{
  width:100%;max-width:380px;background:var(--card);border:1px solid var(--line);
  border-radius:14px;padding:24px;
}
.brand-row{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.mark{width:38px;height:38px;border-radius:50%;background:var(--soil-900);color:var(--gold-500);
  display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;
  border:2px solid var(--gold-600);}
.mark.small{width:32px;height:32px;font-size:15px;}
h1{font-size:20px;margin:0;font-weight:600;}
.tagline{font-size:12px;color:var(--ink-soft);margin-top:2px;}

.seg{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;margin:10px 0;}
.seg button{flex:1;padding:9px;border:none;background:var(--white);color:var(--ink-soft);cursor:pointer;font-weight:600;font-size:13px;}
.seg button.on{background:var(--leaf-700);color:#fff;}
.seg button:disabled{background:var(--paper-2);color:var(--ink-soft);cursor:not-allowed;opacity:.6;}

label{display:block;font-size:12px;color:var(--ink-soft);margin:10px 0 4px;font-weight:600;}
input[type=text],input[type=number],input[type=date],input[type=password],input[type=email],select{
  width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:8px;background:var(--white);color:var(--ink);
}
input:focus,select:focus{outline:2px solid var(--gold-500);outline-offset:0;}
.row{display:flex;gap:10px;}
.row > *{flex:1;}

.btn{display:block;width:100%;padding:10px 16px;border-radius:8px;border:1px solid var(--gold-600);
  background:var(--gold-600);color:var(--soil-900);font-weight:700;cursor:pointer;margin-top:14px;text-align:center;}
.btn:active{background:var(--gold-500);border-color:var(--gold-500);}
.btn.secondary{background:transparent;color:var(--soil-900);border-color:var(--soil-900);}
.btn.small{width:auto;padding:6px 12px;font-size:12px;margin-top:0;}
.link-btn{background:none;border:none;color:var(--leaf-700);font-size:13px;font-weight:600;cursor:pointer;padding:0;margin-top:12px;text-decoration:underline;}

.err{color:var(--danger);font-size:12px;margin-top:8px;min-height:14px;}
.success-msg{color:var(--leaf-700);font-size:13px;margin-top:8px;}
.note{font-size:12px;color:var(--ink-soft);}

header.top{
  padding:calc(18px + env(safe-area-inset-top)) 16px 18px;max-width:760px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;
  border-bottom:2px solid var(--soil-900);gap:10px;
}
header.top .brand{display:flex;align-items:center;gap:10px;min-width:0;}
header.top h1{font-size:18px;margin:0;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
header.top .tagline{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}

.app{max-width:760px;margin:0 auto;padding:0 16px calc(80px + env(safe-area-inset-bottom));}
nav.tabs{display:flex;gap:4px;margin:18px 0 20px;background:var(--paper-2);border:1px solid var(--line);border-radius:10px;padding:4px;flex-wrap:wrap;}
nav.tabs button{flex:1;padding:10px 4px;border:none;background:transparent;border-radius:7px;color:var(--ink-soft);
  cursor:pointer;font-weight:600;font-size:12px;min-width:60px;}
nav.tabs button.active{background:var(--soil-900);color:var(--gold-100);}
@media (max-width:480px){
  nav.tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;}
  nav.tabs button{min-width:0;padding:9px 2px;font-size:11px;}
}

section.view{display:none;}
section.view.active{display:block;}

.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:14px;}
.card h2{font-size:16px;margin:0 0 12px;font-weight:600;}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;}
@media (max-width:480px){ .grid-3{grid-template-columns:1fr 1fr;} }

.stat{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:12px;}
.stat .label{font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--ink-soft);}
.stat .value{font-size:20px;font-weight:700;margin-top:4px;font-family:'Zilla Slab',serif;color:var(--gold-600);}
.stat.pos .value{color:var(--leaf-700);}
.stat.neg .value{color:var(--rust-600);}

.list{margin-top:6px;}
.item{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px dashed var(--line);gap:10px;}
.item:last-child{border-bottom:none;}
.item .meta{font-size:12px;color:var(--ink-soft);}
.item .name{font-weight:600;font-size:14px;}
.amt{font-family:'Zilla Slab',serif;font-weight:700;font-size:15px;white-space:nowrap;}
.amt.plus{color:var(--leaf-700);}
.amt.minus{color:var(--rust-600);}
.pill{font-size:11px;padding:2px 8px;border-radius:20px;font-weight:600;white-space:nowrap;}
.pill.owe-me{background:var(--gold-100);color:#7a5417;}
.pill.i-owe{background:var(--rust-100);color:#7a2f18;}
.pill.settled{background:#e2e8dc;color:#5c6650;}
.pill.active{background:var(--gold-100);color:#7a5417;}
.pill.sold{background:#e2e8dc;color:#5c6650;}
.pill.deceased{background:var(--rust-100);color:#7a2f18;}
.empty{padding:22px 0;text-align:center;color:var(--ink-soft);font-size:13px;}
.del{background:none;border:none;color:var(--rust-600);cursor:pointer;font-size:12px;font-weight:600;padding:0;}

.animal-card{border:1px solid var(--line);border-radius:10px;padding:12px;margin-bottom:10px;background:var(--white);cursor:pointer;}
.animal-card .top{display:flex;justify-content:space-between;align-items:baseline;}
.animal-card h3{margin:0;font-size:15px;}

.modal-backdrop{position:fixed;inset:0;background:rgba(28,42,26,0.5);display:flex;align-items:flex-start;justify-content:center;
  padding:calc(24px + env(safe-area-inset-top)) 16px calc(24px + env(safe-area-inset-bottom));overflow-y:auto;z-index:50;}
.modal{background:var(--card);border-radius:14px;padding:20px;max-width:480px;width:100%;border:1px solid var(--line);}
.modal-head{display:flex;justify-content:space-between;align-items:center;}
.modal h2{font-size:17px;margin:0;}
.modal h3{font-size:14px;margin:0;}

.toast{position:fixed;bottom:calc(16px + env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);background:var(--soil-900);color:var(--gold-100);
  padding:10px 18px;border-radius:8px;text-align:center;font-size:13px;display:none;z-index:100;max-width:calc(100% - 32px);}