:root{--bg:#0f172a;--bg-soft:#1e293b;--card:#fff;--card-soft:#f8fafc;--text:#0f172a;--text-soft:#64748b;--border:#e2e8f0;--primary:#6366f1;--primary-dark:#4f46e5;--success:#16a34a;--danger:#dc2626;--danger-soft:#fee2e2;--success-soft:#dcfce7;--radius:16px;--shadow:0 1px 3px rgba(15,23,42,.08),0 8px 24px rgba(15,23,42,.06)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}body,html{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:linear-gradient(180deg,#1e293b,#0f172a);background-attachment:fixed;color:var(--text);-webkit-font-smoothing:antialiased}.app-shell,body{min-height:100vh}.app-shell{max-width:560px;margin:0 auto;padding:16px 16px calc(32px + env(safe-area-inset-bottom))}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 4px 20px;color:#e2e8f0}.topbar h1{font-size:18px;margin:0;font-weight:700;letter-spacing:-.01em}.topbar .who{display:flex;align-items:center;gap:8px;font-size:14px}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:16px}.balance-hero{text-align:center;padding:28px 20px}.balance-hero .label{color:var(--text-soft);font-size:14px;text-transform:uppercase;letter-spacing:.06em;font-weight:600}.balance-hero .amount{font-size:44px;font-weight:800;letter-spacing:-.02em;margin-top:6px}.avatar{display:inline-flex;align-items:center;justify-content:center;border-radius:50%;font-size:24px;width:44px;height:44px;flex-shrink:0;background:var(--card-soft)}.avatar.lg{width:72px;height:72px;font-size:40px}.avatar.sm{width:34px;height:34px;font-size:18px}.picker-grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:12px;gap:12px}.picker-tile{display:flex;flex-direction:column;align-items:center;gap:10px;padding:20px 12px;background:var(--card);border:none;border-radius:var(--radius);box-shadow:var(--shadow);cursor:pointer;font-size:16px;font-weight:600;color:var(--text);transition:transform .08s ease}.picker-tile:active{transform:scale(.97)}.picker-tile .role{font-size:12px;color:var(--text-soft);font-weight:500;text-transform:uppercase;letter-spacing:.05em}.section-title{color:#94a3b8;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin:20px 4px 10px}.kid-row{display:flex;align-items:center;gap:14px;width:100%;padding:14px 16px;background:var(--card);border:none;border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:12px;cursor:pointer;text-align:left;transition:transform .08s ease}.kid-row:active{transform:scale(.99)}.kid-row .name{font-weight:700;font-size:17px;flex:1 1}.kid-row .bal{font-weight:800;font-size:18px}.tx{display:flex;align-items:flex-start;gap:12px;padding:14px 0;border-bottom:1px solid var(--border)}.tx:last-child{border-bottom:none}.tx .tx-icon{width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}.tx .tx-body{flex:1 1;min-width:0}.tx .tx-desc{font-weight:600;font-size:15px;word-break:break-word}.tx .tx-meta{color:var(--text-soft);font-size:12.5px;margin-top:2px}.tx .tx-amount{font-weight:800;font-size:16px;white-space:nowrap}.tx-amount.pos{color:var(--success)}.tx-amount.neg{color:var(--danger)}.tx-delete{background:none;color:var(--text-soft);font-size:18px;padding:4px 6px;line-height:1}.btn,.tx-delete{border:none;cursor:pointer}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:15px 18px;border-radius:14px;font-size:16px;font-weight:700;transition:transform .08s ease,opacity .15s ease}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.55;cursor:default}.btn-primary{background:var(--primary);color:#fff}.btn-success{background:var(--success);color:#fff}.btn-ghost{background:transparent;color:#cbd5e1;border:1px solid #334155;width:auto;padding:8px 14px;font-size:14px}.btn-row{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px}label{display:block;font-size:13px;font-weight:600;color:var(--text-soft);margin:14px 0 6px}input,select,textarea{width:100%;padding:14px;border:1px solid var(--border);border-radius:12px;font-size:16px;font-family:inherit;background:var(--card-soft);color:var(--text)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);background:#fff}.amount-input{font-size:32px;font-weight:800;text-align:center;padding:18px}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{padding:10px 14px;border-radius:999px;border:1px solid var(--border);background:var(--card-soft);font-size:14px;font-weight:600;cursor:pointer;color:var(--text)}.chip.active{background:var(--primary);border-color:var(--primary);color:#fff}.error{color:var(--danger);background:var(--danger-soft);padding:12px 14px;border-radius:12px;margin-top:12px}.error,.muted{font-size:14px}.muted{color:var(--text-soft);text-align:center;padding:24px 0}.link-btn{color:var(--primary);font-weight:700;padding:0}.back,.link-btn{background:none;border:none;cursor:pointer;font-size:15px}.back{color:#cbd5e1;padding:4px 0;margin-bottom:4px}.spinner{text-align:center;color:#94a3b8;padding:60px 0}.sheet-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.5);display:flex;align-items:flex-end;justify-content:center;z-index:50}.sheet{background:var(--card);width:100%;max-width:560px;border-radius:24px 24px 0 0;padding:22px 20px calc(28px + env(safe-area-inset-bottom));max-height:90vh;overflow-y:auto;animation:slideUp .2s ease}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.sheet h2{margin:0 0 4px;font-size:20px}.sheet .sub{color:var(--text-soft);font-size:14px;margin-bottom:6px}.pending-badge{display:inline-block;margin-left:8px;padding:2px 8px;border-radius:999px;background:#fef3c7;color:#92400e;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;vertical-align:middle}.count-badge{position:absolute;top:-6px;right:-6px;min-width:22px;height:22px;padding:0 6px;border-radius:999px;background:#dc2626;color:#fff;font-size:12px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 0 0 2px #fff}