/* ============================ tokens ============================ */
:root{
  --bg:#EEF3F4; --surface:#FFFFFF; --surface-2:#F6F9F9;
  --ink:#12242A; --ink-2:#3C555C; --muted:#6B838B;
  --line:#DCE6E8; --line-soft:#EAF0F1;
  --sea:#0B5A61; --sea-ink:#083E43; --sea-tint:#E4F0F1; --accent:#12B0BA;
  --deep:#0E343A; --deep-ink:#E8F3F4; --deep-muted:#93B7BB;
  --warn:#B4570F;
  /* text colour that sits ON a filled accent/brand chip — flips in dark mode,
     where the fills become light. Keeps every filled chip above 4.5:1. */
  --on-fill:#FFFFFF;
  --b-sindo:#1D6FB8; --b-batamfast:#C2403B; --b-majestic:#17714E; --b-horizon:#94570D;
  --shadow:0 1px 2px rgba(9,40,45,.06), 0 8px 24px rgba(9,40,45,.07);
  --sheet-shadow:0 -8px 40px rgba(9,40,45,.22);
  --r:14px; --tap:44px;
  --safe-b:env(safe-area-inset-bottom,0px);
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#0B1416; --surface:#131F22; --surface-2:#182629;
    --ink:#E7F1F2; --ink-2:#B7CDD0; --muted:#89A3A8;
    --line:#223438; --line-soft:#1B2A2D;
    --sea:#2A9AA3; --sea-ink:#8FE2E8; --sea-tint:#122B2E; --accent:#3FD0D9;
    --deep:#07181B; --deep-ink:#E4F2F3; --deep-muted:#7FA3A8;
    --warn:#E29A4E;
    --on-fill:#06191C;
    --b-sindo:#7FBCF0; --b-batamfast:#F0968F; --b-majestic:#5FD3A2; --b-horizon:#EDB56B;
    --shadow:0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.35);
    --sheet-shadow:0 -8px 40px rgba(0,0,0,.6);
  }
}

/* ============================ base ============================ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:var(--sans);background:var(--bg);color:var(--ink);
  line-height:1.4;font-size:16px;
  padding-bottom:calc(72px + var(--safe-b));
  -webkit-font-smoothing:antialiased;
}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;
  -webkit-tap-highlight-color:transparent}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.wrap{max-width:680px;margin:0 auto;padding:0 14px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ============================ header ============================ */
.top{background:var(--deep);color:var(--deep-ink);padding-top:env(safe-area-inset-top,0px)}
.top .wrap{padding-top:10px;padding-bottom:14px}
.toprow{display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:12px;color:var(--deep-muted);margin-bottom:10px}
.toprow .clock{font-family:var(--mono);font-size:13px;letter-spacing:.02em;color:var(--deep-ink)}

/* route swap control — one big target */
.route{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:6px;width:100%;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r);padding:10px 12px;min-height:var(--tap);
  transition:background .15s,transform .12s;text-align:left;
}
.route:active{transform:scale(.985);background:rgba(255,255,255,.12)}
.route .lbl{display:block;font-size:10px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--deep-muted);margin-bottom:2px}
.route .val{display:block;font-size:19px;font-weight:650;letter-spacing:-.015em;line-height:1.1}
.route .to{text-align:right}
.route .swapbtn{width:34px;height:34px;border-radius:50%;flex:none;
  display:grid;place-items:center;background:var(--accent);color:#04262A;
  font-size:16px;font-weight:700;line-height:1}
@media (prefers-color-scheme:dark){.route .swapbtn{color:#04262A}}
.hint{display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  margin-top:9px;font-size:11.5px;color:var(--deep-muted)}
.hint .pill{background:rgba(255,255,255,.09);border-radius:20px;padding:3px 9px}
.hint button{color:var(--accent);text-decoration:underline;font-size:11.5px;
  padding:4px 2px;min-height:auto}

/* ============================ next-up hero ============================ */
.hero{margin:14px 0 4px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--shadow);overflow:hidden}
.hero .head{display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:11px 15px;border-bottom:1px solid var(--line-soft);background:var(--surface-2)}
.hero .head .k{font-size:10.5px;letter-spacing:.15em;text-transform:uppercase;
  font-weight:700;color:var(--sea)}
.hero .head .when{font-size:11.5px;color:var(--muted)}
.hero .body{padding:14px 15px 15px}
.hero .big{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.hero .dep{font-family:var(--mono);font-size:38px;font-weight:700;letter-spacing:-.02em;
  line-height:1}
.hero .cd{font-family:var(--mono);font-size:15px;font-weight:600;color:var(--on-fill);
  background:var(--sea);border-radius:8px;padding:4px 9px}
.hero .cd.soon{background:var(--warn)}
.hero .cd.gone{background:var(--muted)}
.hero .line{margin-top:9px;font-size:14.5px;font-weight:600;color:var(--ink)}
.hero .sub{margin-top:5px;font-size:12.5px;color:var(--muted);display:flex;
  flex-wrap:wrap;gap:4px 12px}
.hero .leaveby{margin-top:11px;padding-top:11px;border-top:1px dashed var(--line);
  font-size:12.5px;color:var(--ink-2)}
.hero .leaveby b{color:var(--warn)}
.hero .leaveby b.num{font-family:var(--mono)}
.hero .leaveby.shut{color:var(--warn)}
.hero.none .body{color:var(--muted);font-size:14px}

/* ============================ sticky controls ============================ */
.sticky{position:sticky;top:0;z-index:30;background:var(--bg);
  border-bottom:1px solid var(--line)}
.sticky.stuck{box-shadow:0 6px 16px rgba(9,40,45,.08)}

/* Horizontal padding on a scroll container is unreliable (padding-right is
   dropped in some engines, and the start edge can be eaten once it scrolls),
   so the 14px gutters are flex spacers instead. */
.dates{display:flex;gap:6px;overflow-x:auto;padding:8px 0 8px;
  -webkit-overflow-scrolling:touch;scrollbar-width:none;max-width:708px;margin:0 auto}
.dates::-webkit-scrollbar{display:none}
/* spacer + the 6px flex gap must add up to the 14px page gutter */
.dates::before,.dates::after{content:"";flex:0 0 8px}
.dchip{flex:0 0 auto;min-width:50px;min-height:44px;
  border:1px solid var(--line);background:var(--surface);border-radius:10px;
  padding:5px 8px;text-align:center;transition:.12s;position:relative}
.dchip .dw{display:block;font-size:9.5px;font-weight:600;color:var(--muted);
  letter-spacing:.04em;text-transform:uppercase;line-height:1.25}
.dchip .dd{display:block;font-family:var(--mono);font-size:14px;font-weight:650;
  margin-top:1px;line-height:1.15}
.dchip[aria-selected="true"]{background:var(--sea);border-color:var(--sea);color:var(--on-fill)}
.dchip[aria-selected="true"] .dw{color:var(--on-fill);opacity:.72}
.dchip.wknd .dw{color:var(--warn)}
.dchip.wknd[aria-selected="true"] .dw{color:var(--on-fill);opacity:.8}
.dchip .mo{font-size:9px;opacity:.75;margin-left:2px}

.fbar{display:flex;align-items:center;gap:8px;padding:0 14px 10px;overflow-x:auto;
  scrollbar-width:none}
.fbar::-webkit-scrollbar{display:none}
.fbtn{flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;min-height:36px;
  padding:0 13px;border-radius:20px;border:1px solid var(--line);background:var(--surface);
  font-size:13px;font-weight:550;color:var(--ink-2)}
.fbtn.on{background:var(--sea-tint);border-color:var(--sea);color:var(--sea-ink)}
.fbtn .fico{font-size:12px;opacity:.7}
.fbtn.clear{color:var(--muted);border-style:dashed}
.fbtn[hidden]{display:none}
.fbtn .badge{min-width:19px;height:19px;padding:0 5px;border-radius:10px;background:var(--sea);
  color:var(--on-fill);font-size:11px;font-weight:700;display:grid;place-items:center;
  font-family:var(--mono)}
/* an explicit display: wins over the hidden attribute, so restate it */
.fbtn .badge[hidden]{display:none}
.fbtn .caret{font-size:9px;opacity:.6}
.count{margin-left:auto;flex:0 0 auto;font-size:12px;color:var(--muted);white-space:nowrap;
  padding-left:4px}
.count b{color:var(--ink);font-family:var(--mono)}

/* ============================ board ============================ */
.cap{font-size:11.5px;color:var(--muted);margin:14px 0 0;line-height:1.4}
.cap b{color:var(--ink-2);font-weight:650}
.board{list-style:none;margin:4px 0 0}
.row+.row,.board li+li .row{margin-top:0}
.sep{display:flex;align-items:center;gap:10px;margin:16px 0 8px;
  font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--muted)}
.sep .rule{flex:1;height:1px;background:var(--line)}
.sep.now{color:var(--warn)}
.sep.now .rule{background:linear-gradient(90deg,var(--warn),transparent)}
/* collapse control lives on the now-divider: that line IS the past/upcoming
   boundary, and it's where expanding scrolls you to */
.sephide{flex:0 0 auto;min-height:32px;padding:0 11px;border-radius:16px;
  border:1px solid var(--line);background:var(--surface);color:var(--ink-2);
  font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}

.earlier{width:100%;min-height:var(--tap);border:1px dashed var(--line);border-radius:12px;
  background:var(--surface);color:var(--ink-2);font-size:13px;font-weight:550;
  margin:14px 0 16px}

/* Both columns are top-aligned and share one internal gap, so line 1 of the
   time column sits level with line 1 of the detail column, and likewise line 2.
   Centring each column independently (the obvious thing) misaligns them
   whenever the two differ in height. */
.row{display:flex;align-items:flex-start;gap:12px;width:100%;text-align:left;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:12px 13px;margin-bottom:8px;transition:transform .1s,border-color .12s}
.row:active{transform:scale(.99)}
.row .tcol{flex:0 0 66px;display:flex;flex-direction:column;gap:6px}
.row .dep{font-family:var(--mono);font-size:21px;font-weight:700;
  letter-spacing:-.02em;line-height:1.05;min-height:22px;display:flex;align-items:center}
.row .arr{font-family:var(--mono);font-size:11px;color:var(--muted);
  white-space:nowrap;min-height:17px;display:flex;align-items:center}
.row .rcol{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px}
.row .r1{min-height:22px}
.row .r2{min-height:17px}
.row .r1{display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.op{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:650;
  padding:2.5px 8px 2.5px 6px;border-radius:6px;color:var(--on-fill);white-space:nowrap}
.op .d{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.7}
.dur{font-size:11.5px;color:var(--muted);font-family:var(--mono)}
.flag{font-size:11px;font-weight:600;padding:2px 7px;border-radius:5px;
  background:var(--sea-tint);color:var(--sea-ink);white-space:nowrap}
.flag.days{background:transparent;color:var(--warn);padding-left:0}
/* destination leads, origin follows — but the origin stays fully legible
   (--muted is only ~4.3:1 on white, under AA for text this size) */
.row .r2{font-size:13.5px;color:var(--ink-2);display:flex;align-items:center;gap:6px;
  min-width:0;flex-wrap:wrap;line-height:1.3}
.row .r2 b{font-weight:650;color:var(--ink)}
.row .r2 i{font-style:normal;color:var(--muted)}
.row .go{flex:0 0 auto;align-self:center;color:var(--muted);font-size:15px}

.row.past{opacity:.45}
.row.past .dep{text-decoration:line-through;text-decoration-thickness:1.5px}

.empty{background:var(--surface);border:1px dashed var(--line);border-radius:16px;
  padding:32px 20px;text-align:center;color:var(--muted);font-size:14px;margin-top:14px}
.empty b{display:block;color:var(--ink);font-size:15px;margin-bottom:6px}
.empty button{margin-top:14px;min-height:var(--tap);padding:0 18px;border-radius:22px;
  background:var(--sea);color:var(--on-fill);font-weight:600;font-size:14px}
.empty.small{padding:18px 16px;font-size:13px;margin-top:4px}

/* ============================ notes ============================ */
.notes{margin-top:26px}
details{background:var(--surface);border:1px solid var(--line);border-radius:14px;
  margin-bottom:8px;overflow:hidden}
summary{list-style:none;min-height:var(--tap);display:flex;align-items:center;
  justify-content:space-between;gap:10px;padding:12px 15px;font-size:13.5px;font-weight:600;
  cursor:pointer}
summary::-webkit-details-marker{display:none}
summary::after{content:"⌄";font-size:15px;color:var(--muted);transition:transform .15s}
details[open] summary::after{transform:rotate(180deg)}
.dbody{padding:0 15px 15px;font-size:12.8px;color:var(--muted);line-height:1.55}
.dbody p+p{margin-top:9px}
.dbody b{color:var(--ink-2)}
.legend{display:flex;flex-wrap:wrap;gap:7px 14px;padding:0 15px 14px}
.legend span{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--ink-2)}
.legend i{width:9px;height:9px;border-radius:50%}
.foot{text-align:center;font-size:11.5px;color:var(--muted);margin:18px 0 8px}

/* ============================ sheet ============================ */
.scrim{position:fixed;inset:0;background:rgba(6,24,27,.5);z-index:60;opacity:0;
  transition:opacity .2s;backdrop-filter:blur(2px)}
.sheet{position:fixed;left:0;right:0;bottom:0;z-index:70;background:var(--surface);
  border-radius:20px 20px 0 0;box-shadow:var(--sheet-shadow);
  max-height:86vh;display:flex;flex-direction:column;
  transform:translateY(101%);transition:transform .24s cubic-bezier(.32,.72,0,1)}
.scrim[hidden],.sheet[hidden]{display:none}
.scrim.show{opacity:1}
.sheet.show{transform:translateY(0)}
.grab{width:38px;height:4px;border-radius:2px;background:var(--line);margin:9px auto 2px;flex:none}
.shead{display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:8px 16px 10px;border-bottom:1px solid var(--line-soft);flex:none}
.shead h2{font-size:16px;font-weight:700;letter-spacing:-.01em}
.shead .x{min-width:var(--tap);min-height:var(--tap);border-radius:50%;font-size:20px;
  color:var(--muted);display:grid;place-items:center;margin-right:-10px}
.sbody{padding:14px 16px 4px;overflow-y:auto;-webkit-overflow-scrolling:touch}
.sfoot{padding:12px 16px calc(12px + var(--safe-b));border-top:1px solid var(--line-soft);
  display:flex;gap:10px;flex:none;background:var(--surface)}
.sfoot button{flex:1;min-height:var(--tap);border-radius:12px;font-weight:650;font-size:14.5px}
.sfoot .ghost{background:var(--surface-2);border:1px solid var(--line);color:var(--ink-2);flex:0 0 40%}
.sfoot .prim{background:var(--sea);color:var(--on-fill)}

.fgroup+.fgroup{margin-top:20px}
.fglabel{display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:11px;letter-spacing:.13em;text-transform:uppercase;font-weight:700;
  color:var(--muted);margin-bottom:9px}
.fglabel button{font-size:11.5px;color:var(--sea);text-transform:none;letter-spacing:0;
  font-weight:600;padding:4px 0}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:8px;min-height:var(--tap);
  padding:0 14px;border-radius:12px;border:1.5px solid var(--line);background:var(--surface);
  font-size:14px;font-weight:550;color:var(--ink-2);transition:.12s}
.chip .d{width:10px;height:10px;border-radius:50%;flex:none}
.chip .tick{font-size:12px;color:var(--sea);font-weight:800;opacity:0;width:0;transition:.12s}
.chip[aria-pressed="true"]{border-color:var(--sea);background:var(--sea-tint);color:var(--sea-ink)}
.chip[aria-pressed="true"] .tick{opacity:1;width:12px}
.chip[aria-pressed="false"] .d{filter:grayscale(1);opacity:.45}

/* detail sheet */
.dsheet .big{font-family:var(--mono);font-size:32px;font-weight:700;letter-spacing:-.02em}
.dl{margin-top:14px;border-top:1px solid var(--line-soft)}
.dl div{display:flex;justify-content:space-between;gap:14px;padding:11px 0;
  border-bottom:1px solid var(--line-soft);font-size:14px}
.dl dt{color:var(--muted);flex:0 0 auto}
.dl dd{text-align:right;font-weight:600;min-width:0}
.dl dd.mono{font-family:var(--mono)}
.dl .rel{display:inline-block;margin-left:6px;font-family:var(--sans);font-size:12px;
  font-weight:600;color:var(--sea);background:var(--sea-tint);border-radius:6px;padding:2px 7px}
.dl .rel.shut{color:var(--warn);background:transparent;padding-left:0}

/* jump-to-now fab — right-aligned so it covers the chevron gutter, not the times */
.fab{position:fixed;right:14px;transform:translateY(80px);
  bottom:calc(16px + var(--safe-b));z-index:40;
  min-height:38px;padding:0 15px;border-radius:20px;background:var(--ink);color:var(--bg);
  font-size:13px;font-weight:650;box-shadow:var(--shadow);
  transition:transform .22s cubic-bezier(.32,.72,0,1);display:inline-flex;align-items:center}
.fab.show{transform:translateY(0)}
@media (min-width:740px){.fab{right:calc(50% - 340px + 14px)}}

.toast{position:fixed;left:50%;bottom:calc(70px + var(--safe-b));transform:translateX(-50%);
  z-index:90;background:var(--ink);color:var(--bg);font-size:13px;font-weight:600;
  padding:10px 16px;border-radius:20px;box-shadow:var(--shadow);opacity:0;
  transition:opacity .2s;pointer-events:none}
.toast.show{opacity:1}

/* ============================ desktop polish ============================ */
@media (min-width:640px){
  .row .tcol{flex:0 0 76px}
  .row .dep{font-size:23px}
  .hero .dep{font-size:44px}
  .sheet{left:50%;right:auto;bottom:auto;top:50%;width:520px;max-height:82vh;
    border-radius:20px;transform:translate(-50%,-46%) scale(.97);opacity:0;
    transition:transform .2s,opacity .2s}
  .sheet.show{transform:translate(-50%,-50%) scale(1);opacity:1}
  .grab{display:none}
  .sfoot{padding-bottom:12px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}}