:root{--bg: #0f172a;--surface: #1e293b;--surface2: #334155;--text: #f1f5f9;--text-muted: #94a3b8;--accent: #38bdf8;--accent-hover: #7dd3fc;--green: #34d399;--radius: 16px;--radius-sm: 12px;--safe-bottom: env(safe-area-inset-bottom, 12px)}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;touch-action:manipulation}html,body{margin:0;height:100dvh;overflow:hidden;background:var(--bg);color:var(--text);font-family:Outfit,system-ui,sans-serif;-webkit-font-smoothing:antialiased;padding-bottom:var(--safe-bottom);touch-action:manipulation;-webkit-tap-highlight-color:transparent}#app{max-width:480px;margin:0 auto;height:100dvh;display:flex;flex-direction:column;padding:12px;overflow:hidden;touch-action:manipulation}.join-container{flex:1;display:flex;flex-direction:column;justify-content:center;gap:16px}.join-title{font-size:2rem;margin:0 0 4px}.join-subtitle{margin:0 0 12px;font-size:.95rem;color:var(--text-muted)}.join-form{display:flex;flex-direction:column;gap:10px;background:var(--surface);border-radius:var(--radius);padding:16px}.join-label{font-size:.8rem;color:var(--text-muted);margin-bottom:4px}.join-input{width:100%;background:var(--surface2);border:1px solid var(--surface2);color:var(--text);padding:10px 12px;border-radius:var(--radius-sm);font-size:.95rem;font-family:inherit;margin-bottom:8px}.join-input::placeholder{color:var(--text-muted)}.join-input:focus{outline:none;border-color:var(--accent)}.join-input-error{border-color:#f87171;box-shadow:0 0 0 1px #f87171b3}.join-btn{width:100%;padding:12px;border-radius:var(--radius-sm);border:none;font-size:.95rem;font-family:inherit;cursor:pointer;margin-top:4px}.join-btn.primary{background:var(--accent);color:var(--bg)}.join-btn.primary:active{background:var(--accent-hover)}.join-btn.secondary{background:transparent;color:var(--text-muted);border:1px solid var(--surface2)}.join-btn.secondary:active{background:var(--surface2);color:var(--text)}.header{display:flex;align-items:center;justify-content:space-between;padding:4px 0 8px;flex-shrink:0}.header-actions{display:flex;align-items:center;gap:8px}.room-label{font-size:.85rem;color:var(--text-muted);word-break:break-all}.conn-status{display:inline-flex;align-items:center;gap:6px;font-size:.7rem;font-weight:500;letter-spacing:.02em;padding:4px 10px;border-radius:999px;background:var(--surface2);color:var(--text-muted)}.conn-status:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;flex-shrink:0}.conn-status[data-state=synced]{background:#34d39926;color:var(--green)}.conn-status[data-state=synced]:before{background:var(--green);box-shadow:0 0 0 2px #34d3994d}.conn-status[data-state=connecting]{background:#fbbf2426;color:#fbbf24}.conn-status[data-state=connecting]:before{background:#fbbf24;animation:conn-pulse 1.2s ease-in-out infinite}.conn-status[data-state=disconnected]{background:#f871711f;color:#f87171}.conn-status[data-state=disconnected]:before{background:#f87171}.conn-status:empty{display:none}@keyframes conn-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.85)}}.connecting-section{flex:1;min-height:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:16px;border-radius:var(--radius);box-shadow:0 18px 40px #0f172ae6}.connecting-orb{width:72px;height:72px;border-radius:999px;background:radial-gradient(circle at 30% 10%,var(--accent-hover),var(--accent));display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;box-shadow:0 0 0 1px #94a3b84d,0 10px 25px #38bdf873}.connecting-dot{width:8px;height:8px;border-radius:999px;background:var(--bg);opacity:.8;margin:0 3px;animation:connecting-dot-bounce 1.1s ease-in-out infinite}.connecting-dot[data-index="0"]{animation-delay:0s}.connecting-dot[data-index="1"]{animation-delay:.18s}.connecting-dot[data-index="2"]{animation-delay:.36s}@keyframes connecting-dot-bounce{0%,to{transform:translateY(0);opacity:.6}40%{transform:translateY(-5px);opacity:1}}.connecting-title{margin:0;font-size:1.4rem;letter-spacing:.04em}.connecting-info{margin:0;font-size:.95rem;color:var(--text-muted);text-align:center}.connecting-hint{margin:4px 0 0;font-size:.8rem;color:var(--text-muted);text-align:center;opacity:.75}.btn-icon{background:var(--surface2);color:var(--accent);border:none;padding:8px 14px;border-radius:var(--radius-sm);font-size:.9rem;font-family:inherit;cursor:pointer}.btn-icon:active{opacity:.9}.display-section{background:var(--surface);border-radius:var(--radius);padding:10px 14px;margin-bottom:8px;flex-shrink:0}.display{font-size:clamp(2rem,10vw,3rem);font-weight:700;letter-spacing:.02em;text-align:right;min-height:1.1em}.you-pay{font-size:1.1rem;color:var(--accent);margin-top:8px;text-align:right}.total-line{font-size:.9rem;color:var(--text-muted);margin-top:4px;text-align:right}.quick-section{margin-bottom:8px;flex-shrink:0}.quick-label{display:block;font-size:.75rem;color:var(--text-muted);margin-bottom:6px}.quick-buttons{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.quick-btn{background:var(--surface2);color:var(--text);border:none;padding:10px;border-radius:var(--radius-sm);font-size:1rem;font-weight:600;font-family:inherit;cursor:pointer}.quick-btn:active{background:var(--accent);color:var(--bg)}.pad-section{display:flex;flex-direction:column;gap:6px;flex-shrink:0;margin-top:2px}.pad-row{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.pad-btn{background:var(--surface);color:var(--text);border:none;padding:10px;border-radius:var(--radius-sm);font-size:1.2rem;font-weight:500;font-family:inherit;cursor:pointer}.pad-btn:active{background:var(--surface2)}.add-btn{grid-column:1 / -1;background:var(--accent);color:var(--bg);font-size:1rem;font-weight:600;padding:10px}.add-btn:active{background:var(--accent-hover)}.my-name-section{margin-top:6px;flex-shrink:0}.name-input{width:100%;background:var(--surface);border:1px solid var(--surface2);color:var(--text);padding:8px 10px;border-radius:var(--radius-sm);font-size:.9rem;font-family:inherit}.name-input::placeholder{color:var(--text-muted)}.name-input:focus{outline:none;border-color:var(--accent)}.add-person-btn{width:100%;margin-top:6px;background:var(--surface2);color:var(--text);border:none;padding:8px;border-radius:var(--radius-sm);font-size:.85rem;font-family:inherit;cursor:pointer}.add-person-btn:active{background:var(--accent);color:var(--bg)}.person-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.person-chip{background:var(--surface2);padding:6px 12px;border-radius:999px;font-size:.85rem}.end-section{margin-top:6px;padding-bottom:var(--safe-bottom);flex-shrink:0}.end-btn{width:100%;background:transparent;color:var(--text-muted);border:1px solid var(--surface2);padding:8px;border-radius:var(--radius-sm);font-size:.85rem;font-family:inherit;cursor:pointer}.end-btn:active{background:var(--surface2);color:var(--text)}.transactions-section{margin-bottom:8px;flex:1;min-height:0;display:flex;flex-direction:column}.tx-summary-row{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:6px}.you-are,.tx-total{font-size:.9rem;color:var(--text-muted)}.tx-stack{flex:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column;gap:8px;padding-right:4px;-webkit-overflow-scrolling:touch}.tx-card{position:relative;background:var(--surface);border-radius:var(--radius-sm);flex-shrink:0;padding:10px 12px 12px;display:flex;flex-direction:column;gap:4px}.tx-card-revert{border:1px solid rgba(248,113,113,.7)}.tx-card-reverted{opacity:.55}.tx-amount{font-size:1.1rem;font-weight:600}.tx-meta{display:flex;justify-content:space-between;font-size:.8rem;color:var(--text-muted)}.tx-revert-btn{position:absolute;right:10px;bottom:8px;border:none;border-radius:999px;padding:4px 10px;font-size:.75rem;background:var(--surface2);color:var(--text);cursor:pointer}.tx-revert-btn:active{background:var(--accent);color:var(--bg)}.result-section{padding:12px 0;flex:1;min-height:0;overflow-y:auto}.result-title{font-size:1.5rem;font-weight:600;margin:0 0 16px}.result-total{font-size:1.1rem;color:var(--text-muted);margin-bottom:16px}.service-fee-row{margin-bottom:20px}.switch-label{display:inline-flex;align-items:center;font-size:1rem;cursor:pointer}.switch{width:48px;height:26px;margin-right:10px;accent-color:var(--accent);cursor:pointer}.per-person-list{display:flex;flex-direction:column;gap:12px}.per-person-row{display:flex;justify-content:space-between;align-items:center;background:var(--surface);padding:16px 20px;border-radius:var(--radius-sm);font-size:1.1rem}.per-person-name{font-weight:500}.per-person-amount{font-weight:700;color:var(--green)}.per-person-empty{font-size:.9rem;color:var(--text-muted)}.result-actions{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px}.result-btn{flex:1 1 140px;border-radius:var(--radius-sm);padding:10px 12px;font-size:.9rem;font-family:inherit;border:none;cursor:pointer}.result-btn.primary{background:var(--accent);color:var(--bg);font-weight:600}.result-btn.primary:active{background:var(--accent-hover)}.result-btn.secondary{background:transparent;color:var(--text-muted);border:1px solid var(--surface2)}.result-btn.secondary:active{background:var(--surface2);color:var(--text)}