:root{color-scheme:light;--bg: #f8fafc;--surface: #ffffff;--glass-surface: rgba(255, 255, 255, .62);--glass-surface-strong: rgba(255, 255, 255, .78);--glass-border: rgba(203, 213, 225, .72);--glass-shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 10px 24px rgba(15, 23, 42, .08);--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{min-height:100%}body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;position:relative}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:-1;background:radial-gradient(1200px 700px at 10% -10%,rgba(14,165,233,.14),transparent 70%),radial-gradient(1000px 620px at 90% 0%,rgba(244,114,182,.12),transparent 72%);background-repeat:no-repeat}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(--glass-surface);border-radius:var(--radius);border:1px solid var(--glass-border);box-shadow:var(--glass-shadow);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);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:var(--glass-surface-strong);color:var(--text);border:1px solid var(--glass-border);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.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 var(--glass-border);background:var(--glass-surface-strong);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.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;width:fit-content;max-width:100%;white-space:nowrap}.btn-lg{padding:16px 18px;font-size:1.05rem;border-radius:14px}.trip-app{flex:1;display:flex;flex-direction:column;min-height:0;padding-bottom:calc(112px + env(safe-area-inset-bottom))}.trip-app__inner{flex:1;display:flex;flex-direction:column;min-height:0;padding-bottom:8px}@keyframes fairtrip-spin{to{transform:rotate(360deg)}}.mobile-trip-nav-toggle{position:relative;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:6px;margin:14px 0 18px;padding:6px;border-radius:16px;background:#e6eefabf;border:1px solid rgba(191,209,234,.8);box-shadow:inset 0 1px #ffffffbf;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.mobile-trip-nav-toggle__thumb{position:absolute;top:6px;left:6px;width:calc(50% - 9px);height:calc(100% - 12px);border-radius:12px;background:linear-gradient(145deg,#0f172a,#1e293b);box-shadow:0 6px 14px #0f172a40;transition:transform .22s ease}.mobile-trip-nav-toggle--history .mobile-trip-nav-toggle__thumb{transform:translate(calc(100% + 6px))}.mobile-trip-nav-toggle__btn{position:relative;z-index:1;min-height:50px;display:flex;align-items:center;justify-content:center;border-radius:12px;text-decoration:none;font-weight:800;font-size:1rem;color:#334155;transition:color .22s ease}.mobile-trip-nav-toggle__btn--active{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:var(--glass-surface-strong);border:1px solid var(--glass-border);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.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)}.app-root{min-height:100%;display:flex;flex-direction:column}.brand-header{position:sticky;top:0;z-index:20;padding:10px 16px 8px;background:#f8fafcd1;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-bottom:1px solid rgba(226,232,240,.8)}.brand-header__inner{max-width:520px;margin:0 auto;display:flex;align-items:center;justify-content:flex-start;gap:10px}.brand-header__inner--trip{display:flex;flex-direction:row;flex-wrap:nowrap;align-items:center;justify-content:space-between;gap:8px;column-gap:8px;width:100%}.brand-header__col{min-width:0}.brand-header__col--logo{flex:0 0 auto;align-self:center}.brand-header__inner--trip .brand-header__wordmark{width:min(120px,26vw);max-width:100%}.brand-header__col--meta{flex:1 1 0;justify-self:unset;min-width:0;align-self:center}.brand-header__col--actions{flex:0 0 auto;justify-self:unset;align-self:center}.brand-header__icon{width:34px;height:34px;flex:none}.brand-header__wordmark{width:min(180px,38vw);height:auto;display:block;flex:none}.brand-header__meta{display:flex;flex-direction:column;gap:1px;align-items:center;text-align:center;width:100%;max-width:100%}.brand-header__trip-name{font-size:.94rem;margin:0;line-height:1.2;overflow-wrap:anywhere;word-break:break-word;-webkit-hyphens:auto;hyphens:auto}.brand-header__trip-code{margin:0;font-size:.78rem;line-height:1.2;overflow-wrap:anywhere;word-break:break-word}.brand-header__sync-cluster{display:inline-flex;align-items:center;gap:6px;flex-shrink:0}.brand-header__below{max-width:520px;margin:0 auto;padding:0 16px 6px;width:100%}.brand-header__below .trip-pull-error{margin:0}.brand-picker{background:linear-gradient(180deg,#fff,#fbfcff)}.brand-picker__grid{display:grid;grid-template-columns:1fr;gap:10px}.brand-picker__option{border:1px solid #e2e8f0;border-radius:12px;background:#fff;padding:10px;display:flex;flex-direction:column;gap:8px;align-items:flex-start;text-align:left}.brand-picker__option--on{border-color:#0f172a;box-shadow:0 0 0 1px #0f172a14}.brand-picker__icon{width:34px;height:34px}.brand-picker__wordmark{width:min(240px,100%);height:auto}.brand-picker__name{font-weight:700;font-size:.95rem}.trip-sync-bar{margin:0}.trip-sync-bar__btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;padding:0;border-radius:10px;border:1px solid var(--glass-border);background:var(--glass-surface-strong);color:var(--accent);cursor:pointer;flex-shrink:0}.trip-sync-bar__btn:disabled{opacity:.65;cursor:wait}.trip-sync-bar__btn--maybe-offline{opacity:.82}.trip-sync-bar__btn--busy .trip-sync-bar__icon{animation:fairtrip-spin .65s linear infinite}.trip-pull-error{margin:4px 0 0;font-size:.8125rem;line-height:1.35;color:#b45309;width:100%}.trip-actions{margin:0 0 14px;border:1px solid var(--glass-border);border-radius:12px;background:var(--glass-surface-strong);width:fit-content;min-width:170px;max-width:100%;transition:width .22s ease;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.trip-actions[open]{width:100%}.trip-actions summary{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 12px;font-weight:700;cursor:pointer;list-style:none}.trip-actions summary::-webkit-details-marker{display:none}.trip-actions__menu{display:grid;gap:8px;padding:0 12px 12px}.sync-status{display:inline-flex;align-items:center;gap:6px;border-radius:999px;border:1px solid #e2e8f0;background:#fff;padding:4px 10px;font-size:.75rem;font-weight:700}.sync-status__dot{width:8px;height:8px;border-radius:999px;display:inline-block}.sync-status--offline{color:#991b1b;border-color:#fca5a5}.sync-status--offline .sync-status__dot{background:#dc2626}.sync-status--local{color:#92400e;border-color:#fcd34d}.sync-status--local .sync-status__dot{background:#f59e0b}.sync-status--live{color:#166534;border-color:#86efac}.sync-status--live .sync-status__dot{background:#22c55e}.sync-status--icon-only{padding:4px;gap:0;min-width:0}.fairtrip-splash{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10001;display:flex;align-items:center;justify-content:center;padding:max(16px,env(safe-area-inset-top));background:radial-gradient(800px 500px at 50% -20%,rgba(244,114,182,.12),transparent 65%),var(--bg);opacity:0;visibility:hidden;transition:opacity .42s ease,visibility .42s}.fairtrip-splash--visible{opacity:1;visibility:visible}.fairtrip-splash__scene{display:flex;flex-direction:column;align-items:stretch;gap:3px;width:min(320px,92vw)}.fairtrip-splash__brand{position:relative;display:inline-block;max-width:100%;margin-inline:auto;vertical-align:top}.fairtrip-splash__word-clip{width:max-content;max-width:100%;margin-inline:auto;contain:paint;transform:translateZ(0)}.fairtrip-splash__stack{font-family:var(--font);font-size:clamp(2.5rem,11.5vw,3.5rem);font-weight:800;letter-spacing:-.04em;line-height:1;color:var(--text);display:flex;flex-direction:column;align-items:stretch;gap:calc(2 / 54 * 1em);width:max-content;max-width:100%;margin-inline:auto}.fairtrip-splash__word-row{font-family:inherit;font-size:inherit;font-weight:inherit;letter-spacing:inherit;line-height:1;color:inherit;display:flex;justify-content:center;align-items:baseline;flex-wrap:nowrap}.fairtrip-splash__trip{margin-left:.06em;display:inline;white-space:nowrap}.fairtrip-splash__track{position:relative;width:100%;flex:none;margin-top:0;isolation:isolate}.fairtrip-splash__line{box-sizing:border-box;position:absolute;top:50%;z-index:0;translate:0 -50%;border-radius:999px;background:#f472b6;transform-origin:0 50%;pointer-events:none}.fairtrip-splash__dot{position:absolute;left:0;top:50%;z-index:2;box-sizing:border-box;margin:0;border-radius:50%;box-shadow:0 0 0 2px #ffffffeb,0 3px 10px #3b82f659;pointer-events:none}.fairtrip-splash__dot--logo-blue{background:#3b82f6}.trip-action-btn{display:block;width:100%;border-radius:12px;border:1px solid transparent;text-align:center;text-decoration:none;font-weight:700;padding:10px 12px}.trip-action-btn--share{background:#ecfeffd1;border-color:#67e8f9e6;color:#155e75}.trip-action-btn--edit{background:#fef3c7d1;border-color:#fcd34de6;color:#92400e}.trip-action-btn--switch{background:#ede9fed1;border-color:#c4b5fde6;color:#5b21b6}