*{box-sizing:border-box}
:root{--ink:#1D1D1F;--mut:#6E6E73;--pri:#3B3BD6;--ok:#1e6b3a;--warn:#7a4b00;--bad:#9b1c1c;--line:#cbd5e1}
body{margin:0;font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:#f4f6fa;color:var(--ink)}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:9}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.demo-banner{background:#fff3bf;color:#5c3c00;text-align:center;font-size:13px;padding:4px}
.top{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap;padding:10px 16px;background:#fff;color:#1D1D1F;border-bottom:1px solid #F0F0F2}
.top a{color:#3B3BD6}.brand{font-weight:700}.top-links{font-size:14px}
main{max-width:640px;margin:0 auto;padding:12px 16px 32px}
progress{width:100%;height:8px;accent-color:var(--pri)}
.step-count{margin:4px 0 8px;font-size:14px;color:var(--mut)}
.step{display:none;background:#fff;border-radius:14px;padding:18px;box-shadow:0 1px 3px rgba(15,42,74,.12)}
.step.on{display:block}
h1{font-size:22px;margin:0 0 12px}h1:focus{outline:none}
.sub{color:var(--mut);margin:0 0 12px}.opt{color:var(--mut);font-weight:400}
label{display:block;font-weight:600;font-size:15px;margin:10px 0 4px}
input[type=text],input:not([type]),input[type=date],input[type=number],input[type=search]{width:100%;font:inherit;padding:12px;border:1px solid #8a99b0;border-radius:10px;background:#fff;min-height:48px}
input[aria-invalid=true]{border-color:var(--bad);border-width:2px}
:focus-visible{outline:3px solid #f59f00;outline-offset:2px}
.err{color:var(--bad);font-size:14px;margin:4px 0 0;min-height:0}.err:empty{display:none}
.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.seg{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.seg label,.chips label{display:inline-flex;align-items:center;gap:6px;margin:0;padding:10px 14px;border:1px solid var(--line);border-radius:999px;font-weight:600;cursor:pointer;min-height:44px}
.seg input,.chips input{accent-color:var(--pri)}
.seg label:has(input:checked),.chips label:has(input:checked){background:#e7efff;border-color:var(--pri)}
.chips{border:0;padding:0;margin:16px 0 0;display:flex;gap:8px;flex-wrap:wrap}.chips legend{font-weight:700;margin-bottom:6px}
.ac{position:relative}
.ac-list{position:absolute;z-index:5;left:0;right:0;margin:2px 0 0;padding:0;list-style:none;background:#fff;border:1px solid var(--line);border-radius:10px;max-height:260px;overflow:auto;box-shadow:0 6px 18px rgba(0,0,0,.12)}
.ac-list li{padding:12px;cursor:pointer}.ac-list li[aria-selected=true],.ac-list li:hover{background:#e7efff}
.ac-list small{color:var(--mut)}
.hidden{display:none!important}
.oj{display:none}.trip-openjaw .oj{display:block}.trip-oneway .ret{visibility:hidden}
.stepper{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid #edf1f7}
.stepper span{flex:1;font-weight:600}.stepper small{color:var(--mut);font-weight:400;display:block}
.stepper button{width:48px;height:48px;border-radius:50%;border:1px solid var(--pri);background:#fff;color:var(--pri);font-size:22px;cursor:pointer}
.stepper button:disabled{opacity:.35;cursor:default}
.stepper output{min-width:2ch;text-align:center;font-size:20px;font-weight:700}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px;margin-top:12px}
.cardtile{position:relative;text-align:left;border:2px solid var(--line);border-radius:12px;padding:12px;background:linear-gradient(135deg,#fff,#eef3fb);cursor:pointer;min-height:84px;font:inherit;color:inherit}
.cardtile[aria-pressed=true]{border-color:var(--pri);background:linear-gradient(135deg,#e7efff,#cfe0ff)}
.cardtile[aria-pressed=true]::after{content:"✓";position:absolute;top:6px;right:10px;color:var(--pri);font-weight:800}
.cardtile b{display:block;font-size:14px}.cardtile small{color:var(--mut)}
.nav{display:flex;gap:10px;margin-top:14px;position:sticky;bottom:0;background:#f4f6fa;padding:10px 0}
.nav button{flex:1}
button.primary,button.secondary{min-height:52px;border-radius:12px;font:inherit;font-weight:700;cursor:pointer}
button.primary{background:var(--pri);color:#fff;border:0}button.secondary{background:#fff;color:var(--pri);border:2px solid var(--pri)}
button.link{background:none;border:0;color:var(--pri);font:inherit;text-decoration:underline;cursor:pointer;padding:10px 0;min-height:44px}
.tip{width:24px;height:24px;border-radius:50%;border:1px solid var(--pri);background:#fff;color:var(--pri);font-weight:700;cursor:pointer;padding:0;font-size:13px}
.tipbox{position:absolute;z-index:10;max-width:280px;background:#14213d;color:#fff;padding:10px 12px;border-radius:8px;font-size:14px}
.sum{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.sum button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:10px 14px;font:inherit;cursor:pointer;min-height:44px;text-align:left}
.sum button::after{content:" ✎";color:var(--pri)}
.credit{background:#e6f4ea;color:var(--ok);padding:10px 12px;border-radius:10px;font-weight:600}
.credit.warn{background:#fff4e5;color:var(--warn)}.credit:empty{display:none}
.verdict{border-radius:14px;padding:16px;margin-bottom:14px;font-size:18px}
.verdict b{display:block;font-size:22px}
.v-transfer{background:#e6f4ea;color:var(--ok)}.v-dont_transfer{background:#fdecea;color:var(--bad)}.v-close_call,.v-need_cash_fare{background:#fff4e5;color:var(--warn)}.v-short{background:#eef2f7;color:var(--ink)}
.oc{background:#fff;border-radius:14px;padding:16px;margin-bottom:14px;box-shadow:0 1px 3px rgba(15,42,74,.12);border-top:6px solid var(--ok)}
.oc.alt{border-top-color:#8a99b0}.oc.part{border-top-color:#d97706}
.oc h2{margin:6px 0 2px;font-size:20px}.big{font-size:26px;font-weight:800}
.badge{display:inline-block;font-size:12px;font-weight:800;padding:3px 9px;border-radius:999px;background:#e2e8f0}
.badge.best{background:#c6f6d5;color:#14532d}
ol.steps{padding-left:22px}ol.steps li{margin:8px 0}
.copy{margin-left:6px;border:1px solid var(--pri);background:#fff;color:var(--pri);border-radius:8px;padding:4px 10px;font:inherit;font-size:13px;cursor:pointer;min-height:32px}
.seats{background:#fff5f5;border:2px solid #e53e3e;color:var(--bad);border-radius:10px;padding:10px;font-weight:700;margin:10px 0}
ul.warn{color:var(--warn);padding-left:20px}
.actions{display:flex;flex-wrap:wrap;gap:10px}.actions button{flex:1;min-width:140px}
.sk{background:linear-gradient(90deg,#e5eaf2,#f3f6fa,#e5eaf2);background-size:200% 100%;animation:sh 1.2s infinite;border-radius:14px;margin-bottom:14px}
.sk-banner{height:70px}.sk-card{height:220px}
@keyframes sh{to{background-position:-200% 0}}
@media (prefers-reduced-motion:reduce){.sk{animation:none}}
#promo-box{margin-top:10px}#promo-box input{margin-bottom:6px}
.foot{max-width:640px;margin:0 auto;padding:0 16px 24px;font-size:13px;color:var(--mut)}
@media print{.top,.nav,.actions,.demo-banner,.progress-wrap,.copy,.foot,#wiz{display:none!important}body{background:#fff}.oc{box-shadow:none;border:1px solid #999}}
.two>div{min-width:0}input[type=date]{min-width:0;-webkit-appearance:none;appearance:none}
.pill{display:inline-block;margin-left:8px;padding:2px 10px;border-radius:999px;background:#e6f4ea;color:#1e6b3a;font-weight:700;font-size:13px}.pill.warn{background:#fff4e5;color:#7a4b00}
label.inline{display:flex;align-items:center;gap:8px;font-weight:600;margin:12px 0 0;min-height:44px}label.inline input{width:20px;height:20px}
.hint{font-size:13px;color:#4a5568;margin:2px 0 0}
.math{font-family:ui-monospace,Menlo,monospace;font-size:14px;background:#f1f5fb;border-radius:6px;padding:2px 6px}
.why{background:#eef2ff;border-radius:10px;padding:8px 10px;font-size:14px;margin:8px 0}
.tweaks{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}.tweaks button{border:2px solid #1554c0;background:#fff;color:#1554c0;border-radius:999px;padding:10px 14px;font:inherit;font-weight:700;cursor:pointer;min-height:44px}
table.sf{width:100%;border-collapse:collapse;font-size:14px}table.sf td,table.sf th{border-bottom:1px solid #e2e8f0;padding:6px 4px;text-align:left}
.countdown{font-weight:700}
.fallbacks{list-style:none;padding:0;margin:10px 0}.fallbacks .fb{border-left:4px solid #1d7a3a;background:#f3faf5;padding:10px 12px;margin:8px 0;border-radius:6px}
.fb-legs{margin:6px 0 0 0;padding-left:18px;font-size:.92em}.fb-legs span{font-weight:600}
.price-range{background:#fff8e6;border-left:4px solid #b7791f;padding:8px 10px;margin:8px 0;border-radius:6px}.steps .check-step{font-weight:normal;background:#fff8e6;padding:4px 6px;border-radius:4px}
.beta-note{background:#fff8e6;border-left:4px solid #b7791f;padding:8px 10px;border-radius:6px;font-size:14px}
#buy-msg.ok{color:var(--ok)}
/* My trips, share, feedback */
.trips{list-style:none;padding:0;margin:0}.trips .oc p{margin:6px 0}
.writeup{white-space:pre-wrap;margin:0}
a.btn{display:inline-flex;align-items:center;justify-content:center;flex:1;min-width:140px;min-height:44px;border-radius:10px;text-decoration:none;font-weight:700;border:1px solid var(--pri)}
a.btn.primary{background:var(--pri);color:#fff}a.btn.secondary{background:#fff;color:var(--pri)}
.pfb{background:#fff;border-radius:14px;padding:14px;margin:14px 0;box-shadow:0 1px 3px rgba(15,42,74,.12)}
.pfb .thumbs{display:flex;gap:10px}.pfb .thumbs button{flex:1;min-height:44px;font-size:20px}
.pfb button[aria-pressed=true]{background:#e7efff;border-color:var(--pri)}
.pfb textarea{width:100%;box-sizing:border-box;min-height:64px;margin-top:8px;font:inherit}
.skel .skel-line,.skel .skel-block{background:linear-gradient(90deg,#eceff3 25%,#f6f7f9 50%,#eceff3 75%);background-size:200% 100%;animation:skel 1.2s infinite;border-radius:8px;margin:.75rem 0}
.skel .skel-line{height:1.2rem}.skel .w60{width:60%}.skel .skel-block{height:6rem}
@keyframes skel{to{background-position:-200% 0}}
@media (prefers-reduced-motion:reduce){.skel .skel-line,.skel .skel-block{animation:none}}
/* v1 result layout (docs/mockups/result.png): white / #F5F5F7, indigo accent only */
.answer{background:#fff;border-radius:16px;box-shadow:0 1px 2px rgba(0,0,0,.04),0 8px 24px rgba(0,0,0,.06);padding:20px;margin:12px 0 4px}
.answer h2{font-size:1.05rem;margin:.6rem 0 .2rem}
.ans-top{display:flex;gap:10px;align-items:center}
.ibadge{display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:36px;padding:0 6px;border-radius:12px;background:#F5F5F7;font-size:13px;font-weight:600;color:#1D1D1F;flex:none}
.ans-num{font-size:2rem;font-weight:700;letter-spacing:-.02em;color:#3B3BD6;line-height:1.1;margin:.4rem 0 0}
.ans-unit{font-weight:600;margin:0 0 .3rem}
.seg{display:flex;background:#F5F5F7;border-radius:12px;padding:3px;margin:16px 0}
.seg button[data-tab],.seg button[role=tab]{flex:1;min-height:40px;border:0;background:transparent;border-radius:10px;font-size:.85rem;color:#6E6E73;padding:6px 4px;cursor:pointer}
.seg button[data-tab].on,.seg button[role=tab][aria-selected=true]{background:#fff;color:#1D1D1F;font-weight:600;box-shadow:0 1px 3px rgba(0,0,0,.08)}
.sticky-bar{position:sticky;bottom:0;display:flex;gap:10px;padding:12px 0 calc(12px + env(safe-area-inset-bottom));background:rgba(255,255,255,.94);border-top:1px solid #F0F0F2;margin-top:16px;z-index:5}
.sticky-bar .btn,.sticky-bar button{flex:1;min-height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;text-decoration:none}
.sticky-bar .btn.primary{flex:2;background:#3B3BD6;color:#fff;font-weight:600}
.sticky-bar button.secondary{background:#F5F5F7;color:#1D1D1F;border:0;font-weight:600}
.steps>li::marker{color:#3B3BD6;font-weight:600}
@media (max-width:490px){.top-links{flex-wrap:wrap;gap:4px 10px;font-size:.9rem}}
.cardtile b,.cardtile small{display:block}
.cardtile small{margin-top:2px}
.howto h3{margin:8px 0 4px}
.n3{list-style:none;counter-reset:n;padding:0;margin:0}
.n3 li{counter-increment:n;display:flex;gap:12px;align-items:flex-start;padding:10px 0;flex-wrap:wrap}
.n3 li::before{content:counter(n);flex:none;width:24px;height:24px;border-radius:12px;background:#EEEEFC;color:#3B3BD6;font-size:13px;font-weight:600;display:flex;align-items:center;justify-content:center}
.n3 li>div{flex-basis:100%;padding-left:36px;margin-top:-4px}
.gapcard{background:#F5F5F7;border-radius:16px;padding:16px;margin:10px 0}
.gapcard p{margin:.2rem 0 0}.acc{color:#3B3BD6;font-weight:600}
.ttk{border-top:1px solid #F0F0F2;padding:14px 0;margin-top:6px}
.cl-h{margin-top:18px}
.pw-wrap{position:relative}
.pw-wrap input{padding-right:72px;width:100%}
.pw-toggle{position:absolute;right:6px;top:50%;transform:translateY(-50%);min-height:36px;padding:0 12px;border:0;border-radius:10px;background:#F5F5F7;color:#3B3BD6;font-weight:600;cursor:pointer}
.beta-note{background:#F5F5F7;border-radius:12px;padding:12px 14px;color:#1D1D1F}
#acct input{min-height:48px;border-radius:12px;border:1px solid #D2D2D7;padding:0 14px;font-size:1rem}
#acct .primary{min-height:52px;border-radius:14px;background:#3B3BD6;color:#fff;border:0;font-weight:600;width:100%;margin-top:12px}
#promo-det summary{cursor:pointer;min-height:44px;display:flex;align-items:center;list-style:none}
#promo-det summary::-webkit-details-marker{display:none}
#card-grid{display:block}
.bank-group{margin-top:14px}
.bank-h{display:flex;align-items:center;gap:8px;font-size:.95rem;margin:0 0 8px}
.bank-dot{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;color:#fff;font-size:11px;font-weight:700}
.bank-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}
.blurred{filter:blur(5px);user-select:none;pointer-events:none;opacity:.7}
.unused{background:#F5F5F7;border-radius:16px;padding:14px 16px;margin:10px 0}
.unused ul{margin:.3rem 0 0;padding-left:1.1rem}
.journey{margin:.25rem 0;font-size:.95rem}.journey-note,.taxes-note{font-size:.85rem}