/* ══════════════════════════════════════════
   BusTrack v3 — style.css
   Signature: হলুদ "রুট বোর্ড" — বাংলার বাসের সামনে আঁকা গন্তব্য-বোর্ডের মতো
   ══════════════════════════════════════════ */
:root{
  --teal:#0B4F6C; --teal-d:#083A50; --teal-l:#E3EEF2;
  --board:#F4B400; --board-ink:#1B1600;
  --ink:#13232B; --mut:#5B6D75; --paper:#F2F5F6; --card:#FFFFFF; --line:#DCE4E7;
  --ok:#1E7E3E; --ok-bg:#E6F4EA; --late:#9A5200; --late-bg:#FEF1D6; --bad:#B3261E; --bad-bg:#FCE8E6;
  --r:12px; --tabs-h:64px;
  --f-body:'Noto Sans Bengali','Noto Sans Devanagari',system-ui,sans-serif;
  --f-disp:'Baloo Da 2','Noto Sans Bengali','Noto Sans Devanagari',system-ui,sans-serif;
  color-scheme:light;
}
:root[data-theme="dark"]{
  --teal:#5DB2D4; --teal-d:#0A2A38; --teal-l:#15303B;
  --board:#E8AA00; --ink:#E4EDF0; --mut:#93A7AF; --paper:#0D181D; --card:#15242B; --line:#26383F;
  --ok:#6FCF8E; --ok-bg:#12301E; --late:#F2B45A; --late-bg:#33260D; --bad:#F28B82; --bad-bg:#3A1714;
  color-scheme:dark;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --teal:#5DB2D4; --teal-d:#0A2A38; --teal-l:#15303B;
    --board:#E8AA00; --ink:#E4EDF0; --mut:#93A7AF; --paper:#0D181D; --card:#15242B; --line:#26383F;
    --ok:#6FCF8E; --ok-bg:#12301E; --late:#F2B45A; --late-bg:#33260D; --bad:#F28B82; --bad-bg:#3A1714;
    color-scheme:dark;
  }
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{font:16px/1.55 var(--f-body);background:var(--paper);color:var(--ink);min-height:100vh;
     padding-bottom:calc(var(--tabs-h) + env(safe-area-inset-bottom,0px))}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
a{color:var(--teal)}
:focus-visible{outline:3px solid var(--board);outline-offset:2px;border-radius:6px}
.muted{color:var(--mut)}.small{font-size:.82rem}
.skip{position:absolute;left:-999px;top:0}
.skip:focus{left:8px;top:8px;background:var(--card);padding:8px 12px;z-index:99}
.num{font-variant-numeric:tabular-nums}

/* ── top bar ── */
.bar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:10px;justify-content:space-between;
     padding:calc(8px + env(safe-area-inset-top,0px)) 14px 8px;background:var(--teal-d);color:#fff}
.brand{display:flex;align-items:center;gap:9px;color:#fff;text-decoration:none;min-width:0}
.brand-mark svg{width:34px;height:34px;display:block;fill:var(--board)}
.brand-mark .w{fill:var(--teal-d)} .brand-mark .t{fill:#fff}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-text b{font:800 1.25rem/1 var(--f-disp)}
.brand-text small{font-size:.68rem;opacity:.75;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bar-tools{display:flex;align-items:center;gap:6px;flex-shrink:0}
.seg{display:flex;background:rgba(255,255,255,.12);border-radius:20px;padding:2px}
.seg button{color:#cfe2ea;font-size:.78rem;font-weight:600;padding:5px 9px;border-radius:18px;min-width:34px}
.seg button.on{background:var(--board);color:var(--board-ink)}
.icon-btn{width:34px;height:34px;border-radius:50%;color:#fff;background:rgba(255,255,255,.12);display:grid;place-items:center;font-size:1rem;overflow:hidden}
.icon-btn img{width:100%;height:100%;object-fit:cover}
.icon-btn svg{width:18px;height:18px;stroke:#fff;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.icon-btn.install{background:var(--board);}
.icon-btn.install svg{stroke:var(--board-ink)}
.acct.guest{width:auto;border-radius:18px;padding:0 12px;font-size:.8rem;font-weight:600}
.offline{background:var(--late-bg);color:var(--late);text-align:center;font-size:.82rem;padding:6px 10px;font-weight:600}

main{max-width:720px;margin:0 auto;padding:0 14px}

/* ── hero / finder ── */
.hero{margin:0 -14px;padding:18px 14px 20px;background:var(--teal-d);color:#fff;border-radius:0 0 22px 22px}
.hero h1{font:800 1.9rem/1.1 var(--f-disp);margin:2px 2px 14px}
.finder{display:grid;grid-template-columns:1fr 44px;grid-template-rows:auto auto auto;gap:0 8px;
        background:var(--card);color:var(--ink);border-radius:16px;padding:6px 8px 10px 14px;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.fld{grid-column:1;display:flex;flex-direction:column;padding:7px 0}
.fld:first-of-type{border-bottom:1px solid var(--line)}
.fld span{font-size:.72rem;font-weight:600;color:var(--mut)}
.fld input{border:0;background:none;font-size:1.08rem;font-weight:600;padding:2px 0;outline:0;width:100%}
.fld input::placeholder{color:var(--mut);font-weight:400;opacity:.8}
.swap{grid-column:2;grid-row:1/3;align-self:center;width:40px;height:40px;border-radius:50%;border:1.5px solid var(--line);display:grid;place-items:center;background:var(--card)}
.swap svg{width:20px;height:20px;stroke:var(--teal);stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.swap:active{transform:rotate(180deg);transition:transform .25s}
.go{grid-column:1/-1;margin:8px 6px 0 0;background:var(--board);color:var(--board-ink);border-radius:11px;padding:12px;font:700 1.08rem var(--f-disp);min-height:48px}
.go:active{transform:translateY(1px)}
.recent{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px}
.recent button{background:rgba(255,255,255,.13);color:#fff;font-size:.8rem;border-radius:16px;padding:5px 11px}

/* ── section heads ── */
.sec-head{display:flex;align-items:baseline;justify-content:space-between;margin:22px 2px 10px}
.sec-head h2{font:700 1.3rem/1.2 var(--f-disp)}
.clock{font:700 1rem var(--f-disp);color:var(--mut)}

/* ── BUS CARD with route board ── */
.bus{background:var(--card);border-radius:var(--r);margin:0 0 12px;overflow:hidden;border:1px solid var(--line)}
.bus.warned{border-color:var(--bad)}
.board{display:flex;align-items:center;gap:10px;background:var(--board);color:var(--board-ink);padding:7px 12px}
.board .rn{font:700 .78rem var(--f-body);background:var(--board-ink);color:var(--board);border-radius:5px;padding:1px 7px;letter-spacing:.02em}
.board .dest{font:800 1.28rem/1.15 var(--f-disp);flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.board .type{font-size:.7rem;font-weight:700;border:1.5px solid var(--board-ink);border-radius:5px;padding:0 6px}
.bus-body{padding:12px 12px 8px}
.times{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:8px}
.times b{display:block;font:700 1.35rem/1.1 var(--f-disp)}
.times small{display:block;font-size:.76rem;color:var(--mut);line-height:1.3;margin-top:2px}
.times .arr{text-align:right}
.times .mid{font-size:.72rem;color:var(--mut);text-align:center;white-space:nowrap}
.times .mid i{display:block;width:44px;height:2px;background:var(--line);margin:4px auto;position:relative}
.times .mid i::after{content:'';position:absolute;right:-1px;top:-3px;border:4px solid transparent;border-left:6px solid var(--line)}
.meta{display:flex;align-items:center;flex-wrap:wrap;gap:6px;margin-top:10px}
.chip{font-size:.8rem;font-weight:600;border-radius:14px;padding:3px 10px;background:var(--teal-l);color:var(--teal)}
.chip.soon{background:var(--ok-bg);color:var(--ok)}
.chip.now{background:var(--ok);color:#fff}
.chip.tmrw{background:var(--line);color:var(--mut)}
.chip.km{background:none;border:1px solid var(--line);color:var(--mut)}
.fare{margin-left:auto;font:800 1.2rem var(--f-disp);color:var(--ink)}
.warn{margin-top:10px;background:var(--bad-bg);color:var(--bad);font-size:.84rem;font-weight:600;border-radius:8px;padding:7px 10px}
.warn.late{background:var(--late-bg);color:var(--late)}
.op{font-size:.8rem;color:var(--mut);margin-top:8px}
.acts{display:flex;border-top:1px solid var(--line);margin:10px -12px -8px}
.acts button,.acts a{flex:1;display:flex;flex-direction:column;align-items:center;gap:1px;padding:8px 2px;font-size:.72rem;color:var(--mut);text-decoration:none;min-height:48px}
.acts svg{width:19px;height:19px;stroke:currentColor;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
.acts .fav.on{color:var(--board)} .acts .fav.on svg{fill:var(--board);stroke:var(--board)}
.acts button:active{background:var(--teal-l)}
.stoplist{list-style:none;margin:10px 0 2px;padding-left:4px;border-left:3px solid var(--board)}
.stoplist li{display:flex;justify-content:space-between;gap:8px;padding:4px 0 4px 12px;font-size:.86rem;position:relative}
.stoplist li::before{content:'';position:absolute;left:-7px;top:11px;width:9px;height:9px;border-radius:50%;background:var(--card);border:2px solid var(--teal)}
.stoplist li.hit{font-weight:700}
.stoplist li.hit::before{background:var(--teal)}
.stoplist .t{color:var(--mut);font-variant-numeric:tabular-nums;white-space:nowrap}

/* journey (transfer) card */
.jr{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:12px;margin-bottom:12px}
.jr-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px;font-weight:700}
.jr-head .fare{margin:0}
.leg{display:grid;grid-template-columns:auto 1fr;gap:4px 10px;margin-top:10px;font-size:.9rem}
.leg .rn{grid-row:span 2;font:700 .74rem var(--f-body);background:var(--board);color:var(--board-ink);border-radius:5px;padding:2px 6px;align-self:start}
.xfer{margin:8px 0 0;font-size:.82rem;color:var(--late);background:var(--late-bg);border-radius:8px;padding:5px 10px}

.notice{font-size:.88rem;font-weight:600;margin:16px 2px 10px;color:var(--mut)}
.empty{text-align:center;padding:30px 16px;color:var(--mut)}
.empty b{display:block;font:700 1.15rem var(--f-disp);color:var(--ink);margin-bottom:4px}
.skeleton{height:150px;border-radius:var(--r);margin-bottom:12px;background:linear-gradient(90deg,var(--card),var(--line),var(--card));background-size:200% 100%;animation:sk 1.2s infinite}
@keyframes sk{to{background-position:-200% 0}}

/* ── routes ── */
.rt{display:flex;align-items:center;gap:12px;width:100%;text-align:left;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:12px;margin-bottom:8px}
.rt .rn{font:700 .8rem var(--f-body);background:var(--board);color:var(--board-ink);border-radius:6px;padding:4px 8px;min-width:58px;text-align:center}
.rt .nm{flex:1;min-width:0}
.rt .nm b{display:block;font-weight:600;line-height:1.3}
.rt .nm small{color:var(--mut);font-size:.78rem}
.rt .go-r{color:var(--mut);font-size:1.2rem}
.dir{display:flex;gap:6px;margin:4px 0 12px}
.dir button{flex:1;border:1.5px solid var(--line);border-radius:10px;padding:8px;font-size:.84rem;font-weight:600;background:var(--card)}
.dir button.on{border-color:var(--teal);color:var(--teal);background:var(--teal-l)}
.tt{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.tt-row{display:grid;grid-template-columns:1.2fr 1.2fr 1fr auto;gap:6px;align-items:center;padding:10px 12px;border-top:1px solid var(--line);font-size:.9rem}
.tt-row:first-child{border-top:0}
.tt-row.head{background:var(--teal-l);color:var(--teal);font-size:.74rem;font-weight:700}
.tt-row.gone{opacity:.45}
.tt-row.next{background:var(--ok-bg);font-weight:700}
.tt-row .b{font-size:.74rem;color:var(--mut);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.back{display:inline-flex;gap:4px;align-items:center;font-weight:600;color:var(--teal);padding:8px 0}
.seo-link{display:inline-block;margin-top:10px;font-size:.84rem}

/* ── fare / panel ── */
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px}
.panel p{margin-bottom:10px;font-size:.88rem}
.fld2{display:flex;flex-direction:column;gap:4px;font-size:.78rem;font-weight:600;color:var(--mut);margin-bottom:10px}
.fld2 select{font-size:1rem;font-weight:500;padding:11px 10px;border:1.5px solid var(--line);border-radius:10px;background:var(--card);color:var(--ink);min-height:48px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.fare-res{display:flex;align-items:center;gap:14px;background:var(--board);color:var(--board-ink);border-radius:12px;padding:14px 16px;margin-top:4px}
.fare-res b{font:800 2.2rem/1 var(--f-disp)}
.fare-res span{font-size:.84rem;line-height:1.35}

/* favs login card */
.login-card{display:flex;gap:12px;align-items:center;background:var(--teal-l);border-radius:var(--r);padding:12px;margin-bottom:12px;font-size:.88rem}
.login-card button{margin-left:auto;flex-shrink:0}
.btn{text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--teal);color:#fff;border-radius:10px;padding:10px 16px;font-weight:600;min-height:44px}
:root[data-theme="dark"] .btn{color:#062230}
.btn.ghost{background:none;color:var(--teal);border:1.5px solid var(--teal)}
.btn.block{width:100%}

/* ── footer ── */
.foot{text-align:center;padding:26px 0 18px;font-size:.84rem}
.foot p{margin:3px 0}
.install-link{background:none;border:1.5px solid var(--line);border-radius:22px;padding:9px 18px;color:var(--teal);font-weight:600;font-size:.88rem;margin:6px 0 10px;min-height:44px}
.install-link:active{background:var(--teal-l)}
.inst{margin:12px 0 4px 22px}.inst li{margin:7px 0;font-size:.98rem}

/* ── bottom tabs ── */
.tabs{position:fixed;left:0;right:0;bottom:0;z-index:20;display:flex;background:var(--card);border-top:1px solid var(--line);
      padding-bottom:env(safe-area-inset-bottom,0px);height:calc(var(--tabs-h) + env(safe-area-inset-bottom,0px))}
.tabs button{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:.74rem;font-weight:600;color:var(--mut);position:relative}
.tabs svg{width:23px;height:23px;stroke:currentColor;stroke-width:1.9;fill:none;stroke-linecap:round;stroke-linejoin:round}
.tabs button.on{color:var(--teal)}
.tabs button.on::before{content:'';position:absolute;top:0;left:28%;right:28%;height:3px;border-radius:0 0 3px 3px;background:var(--board)}
.badge{position:absolute;top:7px;left:calc(50% + 6px);background:var(--bad);color:#fff;font-size:.62rem;border-radius:9px;padding:0 5px;min-width:17px;line-height:17px}

/* ── bottom sheet ── */
.sheet-bg{position:fixed;inset:0;z-index:40;background:rgba(5,15,20,.55);display:flex;align-items:flex-end;justify-content:center}
.sheet{background:var(--card);width:100%;max-width:520px;border-radius:18px 18px 0 0;padding:18px 16px calc(18px + env(safe-area-inset-bottom,0px));max-height:85vh;overflow:auto}
.sheet h3{font:700 1.2rem var(--f-disp);margin-bottom:4px}
.sheet .opts{display:grid;gap:8px;margin-top:14px}
.sheet .opts button{text-align:left;border:1.5px solid var(--line);border-radius:12px;padding:12px 14px;font-weight:600;min-height:52px}
.sheet .opts button.late{border-color:var(--late);color:var(--late)}
.sheet .opts button.off{border-color:var(--bad);color:var(--bad)}
.sheet .opts button.ok{border-color:var(--ok);color:var(--ok)}
.sheet .close{margin-top:12px}
.acct-head{display:flex;gap:12px;align-items:center;margin-bottom:14px}
.acct-head img{width:48px;height:48px;border-radius:50%}
#gbtn{display:flex;justify-content:center;margin:16px 0 6px;min-height:44px}

.toast{position:fixed;left:50%;bottom:calc(var(--tabs-h) + 16px + env(safe-area-inset-bottom,0px));transform:translate(-50%,20px);opacity:0;pointer-events:none;
       background:var(--ink);color:var(--paper);padding:10px 16px;border-radius:22px;font-size:.88rem;font-weight:600;transition:.22s;z-index:50;max-width:90vw;text-align:center}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* Hindi mode — Devanagari আগে */
:root[lang="hi"]{--f-body:'Noto Sans Devanagari','Noto Sans Bengali',system-ui,sans-serif;--f-disp:'Noto Sans Devanagari','Baloo Da 2',system-ui,sans-serif}

@media (min-width:760px){
  .tabs{left:50%;right:auto;transform:translateX(-50%);width:100%;max-width:720px;border:1px solid var(--line);border-bottom:0;border-radius:16px 16px 0 0}
  .tabs button{flex-direction:row;gap:7px;font-size:.9rem}
  .badge{position:static}
  .hero{margin:0;padding:26px 22px}
  .sheet-bg{align-items:center}.sheet{border-radius:18px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}