:root{--bg:#0f172a;--bg-2:#1e293b;--card:#1e293b;--card-hover:#273449;--text:#f1f5f9;--muted:#94a3b8;--primary:#6366f1;--primary-hover:#4f46e5;--get:#34d399;--owe:#fb7185;--border:#334155;--radius:14px;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);-webkit-tap-highlight-color:transparent;margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.page{flex-direction:column;max-width:520px;min-height:100%;margin:0 auto;padding-bottom:96px;display:flex;position:relative}.app-header{padding:calc(20px + env(safe-area-inset-top)) 20px 12px;background:linear-gradient(var(--bg), #0f172ad9);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:5;position:sticky;top:0}.app-header.row{align-items:center;gap:12px;display:flex}.app-header h1{margin:0;font-size:28px}.h1-sm{margin:0;font-size:20px!important}.subtitle{color:var(--muted);margin:2px 0 0}.subtitle.small,.small{font-size:13px}.back{color:var(--text);text-align:center;width:32px;font-size:32px;line-height:1;text-decoration:none}.content{flex:1;padding:8px 16px}.muted{color:var(--muted)}.mt{margin-top:24px}h3{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:16px 4px 8px;font-size:15px}.section-toggle{cursor:pointer;background:0 0;border:none;justify-content:space-between;align-items:center;width:100%;padding:0;display:flex}.section-toggle h3{margin-bottom:8px}.section-toggle .chevron{color:var(--muted);margin-right:4px;font-size:20px;transition:transform .15s}.section-toggle .chevron.open{transform:rotate(90deg)}.card-list{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);color:inherit;padding:14px 16px;text-decoration:none;transition:background .15s;display:block}a.card:active{background:var(--card-hover)}.group-card{flex-direction:column;gap:4px;display:flex}.settle-row,.expense-row{justify-content:space-between;align-items:center;gap:10px;display:flex}.expense-main{min-width:0;color:inherit;flex:1;justify-content:space-between;align-items:center;gap:10px;text-decoration:none;display:flex}.expense-main strong{word-break:break-word}.amount{font-variant-numeric:tabular-nums;font-weight:600}.amount.get{color:var(--get)}.amount.owe{color:var(--owe)}.member-cb{width:20px;height:20px;accent-color:var(--primary);cursor:pointer;flex-shrink:0;margin:0}.member-name{text-align:left;flex:1}.paid-name{color:var(--muted);text-decoration:line-through}.empty{text-align:center;padding:60px 20px}.join-btn{width:100%;margin-top:16px}.fab{bottom:calc(24px + env(safe-area-inset-bottom));background:var(--primary);color:#fff;cursor:pointer;z-index:10;border:none;border-radius:50%;justify-content:center;align-items:center;width:60px;height:60px;font-size:32px;line-height:1;text-decoration:none;display:flex;position:fixed;right:max(20px,50% - 244px);box-shadow:0 8px 24px #6366f173}.fab:active{background:var(--primary-hover)}.btn{cursor:pointer;color:var(--text);border:none;border-radius:10px;padding:12px 18px;font-size:15px;font-weight:600}.btn.primary{background:var(--primary);color:#fff}.btn.primary:disabled{opacity:.4}.btn.ghost{border:1px solid var(--border);background:0 0}.btn.danger{background:var(--owe);color:#4c0519}.btn.danger:disabled{opacity:.4}.btn.big{width:100%;margin-top:8px;padding:16px;font-size:16px}.icon-btn{color:var(--muted);cursor:pointer;background:0 0;border:none;margin-left:auto;padding:4px 8px;font-size:18px}.icon-btn.small{margin-left:0;font-size:14px}.tabs{top:calc(76px + env(safe-area-inset-top));background:var(--bg);z-index:4;gap:4px;padding:0 16px 8px;display:flex;position:sticky}.tabs button{color:var(--muted);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;flex:1;padding:10px;font-size:14px;font-weight:600}.tabs button.active{color:var(--text);border-bottom-color:var(--primary)}label{color:var(--muted);flex-direction:column;gap:6px;margin-bottom:14px;font-size:14px;display:flex}input,select,textarea{font:inherit;color:var(--text);background:var(--bg-2);border:1px solid var(--border);border-radius:10px;outline:none;padding:12px}input:focus,select:focus,textarea:focus{border-color:var(--primary)}.form{padding-top:8px}.two-col{grid-template-columns:1fr 1fr;gap:12px;display:grid}.add-inline{gap:8px;margin-bottom:16px;display:flex}.add-inline input{flex:1}.split-type{margin-bottom:14px}.label-text{color:var(--muted);margin-bottom:6px;font-size:14px;display:block}.seg{background:var(--bg-2);border:1px solid var(--border);border-radius:10px;display:flex;overflow:hidden}.seg button{color:var(--muted);cursor:pointer;background:0 0;border:none;flex:1;padding:10px;font-weight:600}.seg button.active{background:var(--primary);color:#fff}.split-list{flex-direction:column;gap:2px;margin:0 0 14px;padding:0;list-style:none;display:flex}.split-item{border-bottom:1px solid var(--border);align-items:center;gap:12px;padding:10px 4px;display:flex}.split-item.off{opacity:.45}.split-item.select-all .chk{color:var(--muted);font-weight:600}.chk{color:var(--text);flex-direction:row;flex:1;align-items:center;gap:10px;margin:0;font-size:15px}.chk input{width:20px;height:20px;accent-color:var(--primary)}.mini{text-align:right;width:90px;padding:8px}.warn{color:var(--owe);background:#fb71851a;border-radius:10px;padding:10px 12px;font-size:14px}.modal-backdrop{z-index:20;background:#0009;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal{background:var(--bg-2);border:1px solid var(--border);border-radius:18px;width:100%;max-width:400px;max-height:calc(100dvh - 32px);padding:22px 20px;animation:.16s popIn;overflow-y:auto}@keyframes popIn{0%{opacity:0;transform:scale(.96)}}.modal h2{margin:0 0 16px;font-size:20px}.modal label{margin-bottom:12px}.modal-actions{gap:10px;margin-top:8px;display:flex}.modal-actions .btn{flex:1}.install-chip{border:1px solid var(--primary);color:#c7d2fe;cursor:pointer;white-space:nowrap;background:#6366f126;border-radius:999px;align-self:center;margin-left:auto;padding:8px 14px;font-size:13px;font-weight:600}.install-chip:active{background:#6366f14d}.install-screen{z-index:50;background:var(--bg);padding:24px 20px calc(24px + env(safe-area-inset-bottom));padding-top:calc(24px + env(safe-area-inset-top));justify-content:center;align-items:center;display:flex;position:fixed;inset:0;overflow-y:auto}.install-card{text-align:center;width:100%;max-width:400px}.install-logo{justify-content:center;margin-bottom:18px;display:flex}.install-logo svg{filter:drop-shadow(0 10px 24px #6366f173)}.install-title{margin:0 0 8px;font-size:26px}.install-sub{color:var(--muted);max-width:320px;margin:0 auto 24px;line-height:1.5}.install-steps{text-align:left;flex-direction:column;gap:14px;margin:0 0 20px;padding:0;list-style:none;display:flex}.install-step{background:var(--card);border:1px solid var(--border);border-radius:12px;align-items:flex-start;gap:12px;padding:14px 16px;line-height:1.45;display:flex}.step-num{background:var(--primary);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:26px;height:26px;font-size:14px;font-weight:700;display:flex}.inline-icon{vertical-align:-4px;color:var(--primary);margin:0 2px}.install-hint{color:var(--muted);margin:12px 0 20px;font-size:14px;line-height:1.5}.install-warn-box{border:1px solid var(--primary);color:var(--text);text-align:left;background:#6366f11f;border-radius:12px;margin-bottom:20px;padding:14px 16px;line-height:1.5}.install-skip{width:100%;color:var(--muted)}.dlg-backdrop{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);z-index:60;background:#0206179e;justify-content:center;align-items:center;padding:20px;animation:.14s dlgFade;display:flex;position:fixed;inset:0}.dlg{background:linear-gradient(180deg, var(--card-hover), var(--bg-2));border:1px solid var(--border);border-radius:16px;width:100%;max-width:400px;padding:22px 22px 18px;animation:.18s cubic-bezier(.2,.9,.3,1.2) dlgPop;box-shadow:0 24px 60px #0000008c,inset 0 1px #ffffff0d}.dlg-head{align-items:flex-start;gap:14px;display:flex}.dlg-icon{background:#6366f129;border:1px solid #6366f159;border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:22px;display:flex}.dlg-danger .dlg-icon{background:#fb718529;border-color:#fb718566}.dlg-success .dlg-icon{background:#34d39929;border-color:#34d39966}.dlg-headtext{min-width:0;padding-top:2px}.dlg-title{margin:0 0 4px;font-size:18px;font-weight:700;line-height:1.25}.dlg-msg{color:var(--muted);word-break:break-word;margin:0;font-size:14px;line-height:1.5}.dlg-body{margin-top:16px}.dlg-input{letter-spacing:.02em;width:100%;padding:13px 14px;font-size:16px}.dlg-input.has-error{border-color:var(--owe)}.dlg-error{color:var(--owe);margin:8px 2px 0;font-size:13px}.dlg-actions{justify-content:flex-end;gap:10px;margin-top:20px;display:flex}.dlg-actions .btn{min-width:96px}@keyframes dlgFade{0%{opacity:0}}@keyframes dlgPop{0%{opacity:0;transform:translateY(8px)scale(.96)}}.share-actions{gap:10px;margin-top:24px;display:flex}.share-actions .btn{flex:1}