:root{--bg: #0b1220;--bg-elev: #131c2e;--bg-soft: #1f2a40;--border: #243049;--border-soft: #1b2438;--text: #e8edf5;--muted: #8a98b3;--accent: #10b981;--accent-light: #34d399;--accent-dark: #059669;--danger: #ef4444;--pos: #34d399;--neg: #fb7185;--radius: 14px;--shadow: 0 10px 30px -12px rgba(0, 0, 0, .5);--shadow-accent: 0 12px 28px -12px rgba(16, 185, 129, .45)}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;letter-spacing:-.005em}body{background:radial-gradient(1200px 600px at 50% -200px,rgba(16,185,129,.08),transparent 60%),var(--bg);background-attachment:fixed}.page{padding-top:calc(16px + env(safe-area-inset-top));padding-bottom:calc(80px + env(safe-area-inset-bottom))}button{font:inherit;cursor:pointer}input,select,button{font-size:16px}a{color:var(--accent)}code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--bg-soft);padding:2px 6px;border-radius:6px;font-size:.9em;letter-spacing:.04em}.page{max-width:540px;margin:0 auto;padding-left:18px;padding-right:18px;display:flex;flex-direction:column;gap:14px}.hero{text-align:center;padding:24px 0 10px}.logo{width:60px;height:60px;margin:0 auto 14px;border-radius:16px;background:linear-gradient(160deg,var(--accent-light) 0%,var(--accent-dark) 100%);color:#fff;display:grid;place-items:center;font-size:32px;font-weight:700;font-family:Inter,-apple-system,system-ui,sans-serif;box-shadow:var(--shadow-accent),inset 0 1px #fff3;position:relative}.logo:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;border:1px solid rgba(255,255,255,.08);pointer-events:none}.hero h1{margin:0;font-size:30px;letter-spacing:-.025em;font-weight:700}.tagline{margin:6px 0 0;color:var(--muted);font-size:15px}.card{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;gap:14px;box-shadow:0 1px #ffffff05 inset}.card h2{margin:0;font-size:16px;letter-spacing:-.01em;color:var(--text);font-weight:600}.card-header{display:flex;align-items:baseline;justify-content:space-between;gap:8px}input[type=text],input[type=number],select{width:100%;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:10px;padding:12px 14px;outline:none;transition:border-color .15s,box-shadow .15s}input::placeholder{color:#5b6b88}input:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px #10b9812e}button{background:var(--bg-soft);color:var(--text);border:1px solid var(--border);border-radius:10px;padding:11px 16px;font-weight:500;transition:background .15s,transform .05s,border-color .15s}button:hover{border-color:#2f3d5c}button:active{transform:scale(.98)}button:disabled{opacity:.55;cursor:not-allowed}button.primary{background:var(--accent);color:#02281c;border-color:transparent;font-weight:600;box-shadow:var(--shadow-accent)}button.primary:hover{background:var(--accent-dark);border-color:transparent}button.danger{background:transparent;color:var(--danger);border-color:var(--danger)}button.link{background:transparent;border:none;color:var(--accent);padding:4px 8px}.button-link{display:inline-block;text-decoration:none;background:var(--accent);color:#02281c;padding:10px 16px;border-radius:10px;font-weight:700;margin-top:8px}.row{display:flex;gap:8px;align-items:center}.row>input{flex:1}.form-stack{display:flex;flex-direction:column;gap:10px}.amount-row{position:relative}.amount-row .prefix{position:absolute;left:14px;color:var(--muted);font-weight:600;pointer-events:none}.amount-row input{padding-left:28px}.field-label{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:700}.split-header{display:flex;justify-content:space-between;align-items:center}.split-actions{display:flex;gap:4px}.check-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:6px}.check-row{display:flex;align-items:center;gap:10px;background:var(--bg);border:1px solid var(--border);padding:10px 12px;border-radius:10px;cursor:pointer}.check-row input{width:18px;height:18px;accent-color:var(--accent)}.error{color:var(--danger);margin:0}.muted{color:var(--muted);margin:0}.hint{color:var(--muted);font-size:12px;margin:0}.recent{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}.recent .link{width:100%;display:flex;justify-content:space-between;align-items:center;padding:12px 14px;background:transparent;border:1px solid transparent;border-radius:10px;color:var(--text);font-weight:500;transition:background .15s,border-color .15s}.recent .link:hover{background:var(--bg);border-color:var(--border)}.recent .link code{background:transparent;color:var(--muted);font-size:12px;padding:0}.trip-header{display:flex;align-items:center;gap:10px;padding:4px 0}.back{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;text-decoration:none;color:var(--text);background:var(--bg-elev);border:1px solid var(--border);font-size:18px}.trip-title{margin:0;font-size:22px;flex:1;cursor:pointer}.trip-title-input{flex:1;font-size:22px;font-weight:700;background:var(--bg-elev);border:1px solid var(--accent);color:var(--text);padding:6px 10px;border-radius:10px}.share-bar{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.share-bar .share{flex:1;background:var(--accent);color:#02281c;border-color:var(--accent);font-weight:700}.code-btn{display:flex;gap:8px;align-items:center;padding:10px 12px}.copied{color:var(--pos);font-size:13px}.chips{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}.chip{display:inline-flex;align-items:center;gap:4px;background:var(--bg);border:1px solid var(--border);border-radius:999px;padding:6px 6px 6px 12px}.chip-x{width:24px;height:24px;padding:0;border-radius:50%;background:var(--bg-soft);border:none;color:var(--muted);display:grid;place-items:center;font-size:16px;line-height:1}.tabs{display:flex;background:var(--bg-elev);border:1px solid var(--border);border-radius:12px;padding:4px;gap:4px}.tabs button{flex:1;background:transparent;border:none;color:var(--muted);font-weight:600;padding:10px;border-radius:9px}.tabs button.active{background:var(--accent);color:#02281c}.expense-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.expense-item{background:var(--bg);border:1px solid var(--border);border-radius:12px;overflow:hidden}.expense-row{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;background:transparent;border:none;padding:12px 14px;text-align:left;color:var(--text)}.expense-main{flex:1;min-width:0}.expense-title{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.expense-sub{color:var(--muted);font-size:13px;margin-top:2px}.expense-amount{font-variant-numeric:tabular-nums;font-weight:700}.expense-edit{border-top:1px solid var(--border);padding:12px 14px;display:flex;flex-direction:column;gap:10px;background:var(--bg-elev)}.edit-actions{justify-content:flex-end}.transfer-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.transfer{display:grid;grid-template-columns:1fr auto 1fr auto;align-items:center;gap:10px;background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:12px 14px}.transfer .from{text-align:right;font-weight:600;color:var(--neg)}.transfer .to{font-weight:600;color:var(--pos)}.transfer .arrow{color:var(--muted)}.transfer .amount{font-variant-numeric:tabular-nums;font-weight:700}.balance-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.balance{display:grid;grid-template-columns:1fr auto auto;gap:10px;align-items:center;background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:10px 14px}.balance .name{font-weight:600}.balance .lbl{color:var(--muted);font-size:13px}.balance .val{font-variant-numeric:tabular-nums;font-weight:700}.balance.pos .val{color:var(--pos)}.balance.neg .val{color:var(--neg)}.balance.zero .val{color:var(--muted)}