:root{color-scheme:light;--bg: #f8fafc;--surface: #ffffff;--text: #0f172a;--muted: #64748b;--accent: #0ea5e9;--danger: #dc2626;--radius: 12px;--font: "DM Sans", system-ui, -apple-system, Segoe UI, Roboto, sans-serif}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:var(--font);background:radial-gradient(1200px 600px at 10% -10%,rgba(14,165,233,.12),transparent),radial-gradient(900px 500px at 90% 0%,rgba(244,114,182,.12),transparent),var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}a{color:var(--accent)}button,input,select,textarea{font:inherit}button{cursor:pointer}.app-shell{max-width:520px;margin:0 auto;min-height:100%;padding:16px 16px 120px}.card{background:var(--surface);border-radius:var(--radius);box-shadow:0 1px 2px #0f172a0f,0 8px 24px #0f172a0f;padding:16px;margin-bottom:12px}.row{display:flex;align-items:center;gap:10px}.stack{display:flex;flex-direction:column;gap:10px}.title{font-size:1.35rem;font-weight:700;letter-spacing:-.02em;margin:0 0 4px}.sub{color:var(--muted);font-size:.9rem;margin:0}.btn{border:none;border-radius:10px;padding:12px 14px;font-weight:600;background:#0f172a;color:#fff}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:#e2e8f0;color:#0f172a}.btn-ghost{background:transparent;color:var(--text);border:1px solid #e2e8f0}.field label{display:block;font-size:.75rem;font-weight:600;color:var(--muted);margin-bottom:4px}.field input,.field select,.field textarea{width:100%;padding:10px 12px;border-radius:10px;border:1px solid #e2e8f0;background:#fff}.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:.75rem;font-weight:700;border:1px solid transparent}.btn-lg{padding:16px 18px;font-size:1.05rem;border-radius:14px}.trip-app{min-height:100%;padding-bottom:calc(112px + env(safe-area-inset-bottom))}.trip-app__inner{padding-bottom:8px}.mobile-trip-nav{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:14px 0 18px}.mobile-trip-nav__btn{display:flex;align-items:center;justify-content:center;min-height:54px;padding:14px 12px;border-radius:14px;font-weight:800;font-size:1rem;text-decoration:none;color:#0f172a;background:#fff;border:2px solid #e2e8f0;box-shadow:0 2px 8px #0f172a0f}.mobile-trip-nav__btn--active{border-color:#0f172a;background:#0f172a;color:#fff}.fab-add{position:fixed;right:max(16px,env(safe-area-inset-right));bottom:calc(16px + env(safe-area-inset-bottom));z-index:50;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-width:108px;min-height:108px;padding:12px 14px;border-radius:22px;background:linear-gradient(145deg,#0f172a,#1e293b);color:#fff;text-decoration:none;font-weight:800;font-size:.78rem;text-align:center;line-height:1.1;box-shadow:0 12px 28px #0f172a59}.fab-add__plus{font-size:2rem;font-weight:300;line-height:1}.fab-add__label{max-width:92px}.entity-picker{display:flex;flex-direction:column;gap:10px}.entity-picker__opt{display:block;width:100%;text-align:left;padding:12px 14px;border-radius:12px;border:2px solid #e2e8f0;background:#fff;cursor:pointer}.entity-picker__opt--on{border-color:#0f172a;background:#f1f5f9}.currency-grid{display:flex;flex-wrap:wrap;gap:8px}.paid-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px}.paid-grid__cell{display:flex;flex-direction:column;gap:6px;padding:10px;border-radius:12px;background:#f8fafc;border:1px solid #e2e8f0}.paid-grid__amt{font-size:1.15rem}.settle-list{margin:0;padding-left:1.1rem}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.review-list{margin:0;padding-left:1.1rem}.review-list ul{margin:6px 0 0;padding-left:1.1rem}.badge-fx{font-size:.7rem;color:var(--muted)}