:root{--bg:#f4f5f7;--surface:#fff;--text:#1a1d21;--text-muted:#6b7280;--border:#e5e7eb;--primary:#2563eb;--primary-dark:#1d4ed8;--primary-contrast:#fff;--green:#16a34a;--green-bg:#ecfdf3;--yellow:#b45309;--yellow-bg:#fffbeb;--red:#dc2626;--red-bg:#fef2f2;--gray:#6b7280;--gray-bg:#f3f4f6;--orange:#ea580c;--orange-bg:#fff7ed;--radius:14px;--radius-sm:10px}*{box-sizing:border-box}body,html{padding:0;margin:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit;color:inherit}.page{max-width:480px;margin:0 auto;min-height:100vh;background:var(--bg);padding-bottom:32px}.topbar{position:-webkit-sticky;position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:8px;padding:14px 16px;background:var(--surface);border-bottom:1px solid var(--border)}.topbar h1{font-size:17px;font-weight:600;margin:0;flex:1 1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.back-btn{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:999px;font-size:18px;cursor:pointer;border:none;background:transparent}.back-btn:active{background:var(--gray-bg)}.content{padding:16px;display:flex;flex-direction:column;gap:14px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.card-title{font-size:13px;color:var(--text-muted);margin:0 0 4px}.card-value{font-size:26px;font-weight:700;margin:0}.grid-2{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px}.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px}.stat .label{font-size:12px;color:var(--text-muted)}.stat .value{font-size:18px;font-weight:700;margin-top:2px}.btn{display:flex;align-items:center;justify-content:center;gap:6px;width:100%;padding:14px 16px;border-radius:var(--radius-sm);border:none;font-size:15px;font-weight:600;cursor:pointer;transition:opacity .1s ease}.btn:active{opacity:.75}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:var(--primary-contrast)}.btn-secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}.btn-danger{background:var(--red-bg);color:var(--red);border:1px solid #fecaca}.btn-row{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px}.field{display:flex;flex-direction:column;gap:6px}.field label{font-size:13px;color:var(--text-muted);font-weight:500}.field input,.field select,.field textarea{padding:12px 14px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface);font-size:16px}.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--primary);outline-offset:-1px}.chip-row{display:flex;flex-wrap:wrap;gap:8px}.chip{padding:8px 14px;border-radius:999px;border:1px solid var(--border);background:var(--surface);font-size:14px;cursor:pointer}.chip.active{background:var(--primary);color:var(--primary-contrast);border-color:var(--primary)}.debt-line{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--border)}.debt-line:last-child{border-bottom:none}.debt-dot{width:10px;height:10px;border-radius:999px;flex-shrink:0}.debt-dot.overdue{background:var(--red)}.debt-dot.waiting{background:var(--yellow)}.debt-dot.ok{background:var(--green)}.debt-dot.unconfirmed{background:var(--gray)}.debt-dot.partial{background:var(--orange)}.debt-info{flex:1 1;min-width:0}.debt-amount{font-size:16px;font-weight:700}.debt-meta{font-size:13px;color:var(--text-muted);margin-top:2px}.badge{display:inline-flex;align-items:center;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap}.badge-red{background:var(--red-bg);color:var(--red)}.badge-yellow{background:var(--yellow-bg);color:var(--yellow)}.badge-green{background:var(--green-bg);color:var(--green)}.badge-gray{background:var(--gray-bg);color:var(--gray)}.badge-orange{background:var(--orange-bg);color:var(--orange)}.list-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer}.list-item:active{background:var(--gray-bg)}.muted{color:var(--text-muted);font-size:14px}.error-box{background:var(--red-bg);color:var(--red);border:1px solid #fecaca;border-radius:var(--radius-sm)}.error-box,.success-box{padding:12px 14px;font-size:14px}.success-box{background:var(--green-bg);color:var(--green);border:1px solid #bbf7d0;border-radius:var(--radius-sm)}.center-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.tabs{display:flex;gap:4px;background:var(--gray-bg);border-radius:var(--radius-sm);padding:4px}.tabs button{flex:1 1;padding:9px;border:none;background:transparent;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;color:var(--text-muted)}.tabs button.active{background:var(--surface);color:var(--text);box-shadow:0 1px 2px rgba(0,0,0,.06)}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:480px;display:flex;background:var(--surface);border-top:1px solid var(--border);padding:8px 0 calc(8px + env(safe-area-inset-bottom))}.bottom-nav a{flex:1 1;display:flex;flex-direction:column;align-items:center;gap:3px;font-size:11px;color:var(--text-muted);padding:4px}.bottom-nav a.active{color:var(--primary)}.bottom-nav .icon{font-size:20px}.with-bottom-nav{padding-bottom:76px}