/* ===================================================================
   trainstatus.com — premium brand design system
   Brand: amethyst violet + warm gold. Built on ProUI design language,
   modernised. No blue. Status hues kept separate from brand hue.
   =================================================================== */

:root {
  /* Brand — amethyst violet */
  --brand-900:#2e1065;
  --brand-800:#4c1d95;
  --brand-700:#5b21b6;
  --brand-600:#6d28d9;
  --brand-500:#7c3aed;
  --brand-400:#9333ea;
  --brand-300:#c4b5fd;
  --brand-100:#ede9fe;
  --brand-50:#f5f3ff;

  /* Accent — warm gold */
  --gold-600:#d97706;
  --gold-500:#f59e0b;
  --gold-400:#fbbf24;
  --gold-100:#fef3c7;

  /* Status */
  --ok-600:#059669; --ok-500:#10b981; --ok-100:#d1fae5;
  --bad-600:#dc2626; --bad-500:#ef4444; --bad-100:#fee2e2;
  --warn-500:#f59e0b; --warn-100:#fef3c7;
  --early-500:#0891b2; --early-100:#cffafe;

  /* Neutrals (plum-tinted slate) */
  --ink-900:#1c1726;
  --ink-800:#2a2435;
  --ink-700:#3f3a4d;
  --ink-600:#5b5468;
  --ink-500:#7a7388;
  --ink-400:#9b94a8;
  --ink-300:#cfcad6;
  --ink-200:#e6e2ec;
  --ink-100:#f1eff5;
  --paper:#faf9fc;
  --white:#ffffff;

  --radius:14px;
  --radius-lg:20px;
  --radius-sm:9px;
  --shadow-sm:0 1px 2px rgba(28,23,38,.06), 0 1px 3px rgba(28,23,38,.08);
  --shadow:0 4px 14px rgba(28,23,38,.08), 0 2px 4px rgba(28,23,38,.05);
  --shadow-lg:0 18px 40px -12px rgba(46,16,101,.30), 0 8px 16px -8px rgba(28,23,38,.12);
  --shadow-brand:0 14px 30px -10px rgba(124,58,237,.45);

  --font-sans:'Inter','Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --font-head:'Plus Jakarta Sans','Inter','Segoe UI',sans-serif;
  --maxw:1140px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font-sans);color:var(--ink-800);
  background:var(--paper);line-height:1.55;font-size:15.5px;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,h6{font-family:var(--font-head);color:var(--ink-900);line-height:1.2;margin:0 0 .4em;font-weight:700}
a{color:var(--brand-600);text-decoration:none;transition:color .15s}
a:hover{color:var(--brand-700)}
img{max-width:100%}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.muted{color:var(--ink-500)}
.tiny{font-size:12.5px}
.center{text-align:center}
.nowrap{white-space:nowrap}

/* ---------- Header / navbar ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--ink-200);
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--font-head);font-weight:800;font-size:20px;color:var(--ink-900);letter-spacing:-.02em}
.brand:hover{color:var(--ink-900)}
.brand .logo{
  width:38px;height:38px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-700));
  display:flex;align-items:center;justify-content:center;color:#fff;
  box-shadow:var(--shadow-brand);position:relative;
}
.brand .logo svg{width:21px;height:21px}
.brand .logo::after{content:"";position:absolute;right:-3px;top:-3px;width:11px;height:11px;border-radius:50%;background:var(--gold-500);border:2px solid #fff}
.brand b{color:var(--brand-600)}
.brand .dotcom{color:var(--ink-400);font-weight:600}
.nav{display:flex;align-items:center;gap:6px}
.nav a{padding:8px 14px;border-radius:9px;color:var(--ink-600);font-weight:600;font-size:14.5px}
.nav a:hover{background:var(--brand-50);color:var(--brand-700)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:radial-gradient(1200px 400px at 80% -10%,rgba(245,158,11,.18),transparent 60%),
             linear-gradient(135deg,var(--brand-900) 0%,var(--brand-800) 45%,var(--brand-600) 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 2px,transparent 2px 46px);
  -webkit-mask-image:linear-gradient(to bottom,transparent,#000 40%,transparent);
          mask-image:linear-gradient(to bottom,transparent,#000 40%,transparent);
}
.hero .container{position:relative;padding-top:54px;padding-bottom:104px}
.hero h1{color:#fff;font-size:clamp(28px,4.4vw,46px);font-weight:800;letter-spacing:-.025em;margin-bottom:.3em}
.hero h1 .accent{color:var(--gold-400)}
.hero p.lead{color:rgba(255,255,255,.82);font-size:clamp(15px,2vw,19px);max-width:620px;margin:0 auto}
.hero.center .container{text-align:center}
.hero .eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);
  color:#fff;padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;margin-bottom:18px}
.hero .eyebrow .pulse{width:8px;height:8px;border-radius:50%;background:var(--gold-400);box-shadow:0 0 0 0 rgba(251,191,36,.7);animation:pulse 1.8s infinite}

/* ---------- Search card ---------- */
.search-wrap{max-width:760px;margin:30px auto 0;position:relative;z-index:5}
.search-card{
  background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);
  padding:18px;display:flex;gap:12px;align-items:stretch;flex-wrap:wrap;
}
.search-card .field{flex:1 1 230px;min-width:0;position:relative;display:flex;flex-direction:column}
.search-card .field.date{flex:1 1 180px}
.search-card label{font-size:11.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-500);margin:2px 4px 6px}
.search-card input,.search-card select{
  width:100%;border:1.5px solid var(--ink-200);border-radius:var(--radius-sm);background:var(--paper);
  padding:13px 14px;font-size:15.5px;font-family:var(--font-sans);color:var(--ink-900);transition:border-color .15s,box-shadow .15s;
}
.search-card input:focus,.search-card select:focus{outline:none;border-color:var(--brand-400);box-shadow:0 0 0 4px var(--brand-100);background:#fff}
.search-card .go{flex:0 0 auto;display:flex;align-items:flex-end}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;cursor:pointer;
  font-family:var(--font-head);font-weight:700;font-size:15.5px;border:none;border-radius:var(--radius-sm);
  padding:13px 26px;color:#fff;background:linear-gradient(135deg,var(--brand-500),var(--brand-700));
  box-shadow:var(--shadow-brand);transition:transform .12s,box-shadow .2s,filter .2s;white-space:nowrap;
}
.btn:hover{color:#fff;filter:brightness(1.06);box-shadow:0 16px 34px -10px rgba(124,58,237,.55)}
.btn:active{transform:translateY(1px)}
.btn svg{width:18px;height:18px}
.btn.gold{background:linear-gradient(135deg,var(--gold-400),var(--gold-600));box-shadow:0 14px 30px -10px rgba(217,119,6,.5)}
.btn.block{width:100%}
.btn.ghost{background:transparent;color:var(--brand-600);box-shadow:none;border:1.5px solid var(--ink-200)}
.btn.ghost:hover{background:var(--brand-50);color:var(--brand-700);filter:none}

/* Autocomplete dropdown */
.ac-list{
  position:absolute;top:100%;left:0;right:0;margin-top:6px;background:#fff;border:1px solid var(--ink-200);
  border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);z-index:60;max-height:320px;overflow:auto;display:none;
}
.ac-list.open{display:block}
.ac-item{padding:11px 14px;cursor:pointer;display:flex;align-items:center;gap:11px;border-bottom:1px solid var(--ink-100)}
.ac-item:last-child{border-bottom:none}
.ac-item:hover,.ac-item.active{background:var(--brand-50)}
.ac-item .code{font-weight:800;color:var(--brand-600);font-size:13px;background:var(--brand-50);border:1px solid var(--brand-100);border-radius:7px;padding:3px 8px;flex:0 0 auto}
.ac-item .label{color:var(--ink-800);font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- Layout sections ---------- */
.section{padding:38px 0}
.pull-up{margin-top:-64px;position:relative;z-index:4}
.grid{display:grid;gap:22px}
.grid.cols-2{grid-template-columns:2fr 1fr}
@media(max-width:900px){.grid.cols-2{grid-template-columns:1fr}}

/* ---------- Block / card ---------- */
.block{background:#fff;border:1px solid var(--ink-200);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}
.block + .block{margin-top:22px}
.block-title{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;border-bottom:1px solid var(--ink-100)}
.block-title h2,.block-title h3{font-size:16.5px;margin:0;display:flex;align-items:center;gap:10px}
.block-title h2::before{content:"";width:4px;height:18px;border-radius:3px;background:linear-gradient(var(--brand-500),var(--brand-700));display:inline-block}
.block-content{padding:20px}
.block-content.flush{padding:0}

/* ---------- Badges / chips ---------- */
.chip{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:12.5px;padding:4px 11px;border-radius:999px;line-height:1.4}
.chip.ontime{background:var(--ok-100);color:var(--ok-600)}
.chip.late{background:var(--bad-100);color:var(--bad-600)}
.chip.early{background:var(--early-100);color:var(--early-500)}
.chip.live{background:var(--brand-100);color:var(--brand-700)}
.chip.reached{background:var(--ok-100);color:var(--ok-600)}
.chip.pending{background:var(--ink-100);color:var(--ink-600)}
.chip.pf{background:var(--gold-100);color:var(--gold-600)}
.chip .dot{width:7px;height:7px;border-radius:50%;background:currentColor}
.chip.live .dot{animation:pulse 1.6s infinite}

/* ---------- Status summary header ---------- */
.status-head{background:#fff;border:1px solid var(--ink-200);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.status-head .top{padding:22px 24px;display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:16px;
  background:linear-gradient(135deg,var(--brand-50),#fff)}
.status-head .tno{font-family:var(--font-head);font-weight:800;color:var(--brand-700);font-size:14px;letter-spacing:.06em}
.status-head h1{font-size:clamp(20px,3vw,27px);margin:.15em 0 .1em;letter-spacing:-.02em}
.status-head .route{color:var(--ink-600);font-weight:600;display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.status-head .route .arr{color:var(--brand-400)}
.status-head .delaybox{text-align:right;flex:0 0 auto}
.status-head .delaybox .big{font-family:var(--font-head);font-weight:800;font-size:30px;line-height:1}
.status-head .delaybox .big.late{color:var(--bad-500)}
.status-head .delaybox .big.ontime{color:var(--ok-500)}
.status-head .delaybox .big.early{color:var(--early-500)}
.status-head .cpos{padding:14px 24px;background:var(--ink-900);color:#fff;display:flex;align-items:center;gap:12px;font-weight:600;font-size:14.5px}
.status-head .cpos svg{width:18px;height:18px;color:var(--gold-400);flex:0 0 auto}
.status-head .cpos .upd{margin-left:auto;color:var(--ink-300);font-weight:500;font-size:12.5px}

/* progress bar */
.progress{height:9px;border-radius:999px;background:var(--ink-100);overflow:hidden;margin:0}
.progress > span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand-500),var(--gold-500))}
.progress-wrap{padding:16px 24px;border-top:1px solid var(--ink-100)}
.progress-wrap .pl{display:flex;justify-content:space-between;font-size:12.5px;font-weight:600;color:var(--ink-500);margin-bottom:8px}

/* ---------- Station timeline ---------- */
.timeline{position:relative;padding:6px 0}
.tl-item{position:relative;display:grid;grid-template-columns:34px 1fr auto;gap:14px;padding:14px 22px;align-items:start}
.tl-item::before{content:"";position:absolute;left:38px;top:0;bottom:0;width:2px;background:var(--ink-200)}
.tl-item:first-child::before{top:50%}
.tl-item:last-child::before{bottom:50%}
.tl-node{position:relative;z-index:2;width:18px;height:18px;border-radius:50%;margin:4px 0 0 9px;background:#fff;border:3px solid var(--ink-300);flex:0 0 auto}
.tl-item.passed .tl-node{background:var(--ok-500);border-color:var(--ok-500)}
.tl-item.passed .tl-node::after{content:"";position:absolute;left:4px;top:1px;width:4px;height:8px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}
.tl-item.current .tl-node{border-color:var(--brand-500);background:var(--brand-500);box-shadow:0 0 0 5px var(--brand-100);animation:ring 1.8s infinite}
.tl-item.upcoming .tl-node{background:#fff;border-color:var(--ink-300)}
.tl-item.current{background:linear-gradient(90deg,var(--brand-50),transparent)}
.tl-main .sname{font-family:var(--font-head);font-weight:700;color:var(--ink-900);font-size:15.5px}
.tl-main .scode{color:var(--ink-400);font-weight:700;font-size:12px;margin-left:6px}
.tl-main .shn{color:var(--ink-500);font-size:13px;margin-top:1px}
.tl-main .meta{margin-top:7px;display:flex;flex-wrap:wrap;gap:7px;align-items:center}
.tl-times{text-align:right;font-size:13px;min-width:120px}
.tl-times .row{display:flex;gap:8px;justify-content:flex-end;align-items:baseline;white-space:nowrap}
.tl-times .lab{color:var(--ink-400);font-size:11px;font-weight:700;text-transform:uppercase}
.tl-times .sch{color:var(--ink-400);text-decoration:line-through}
.tl-times .act{font-weight:700;color:var(--ink-900)}
.tl-times .act.late{color:var(--bad-600)}
.tl-times .act.ontime{color:var(--ok-600)}
.tl-times .act.early{color:var(--early-500)}

/* ---------- Popular trains grid ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.tcard{display:block;background:#fff;border:1px solid var(--ink-200);border-radius:var(--radius);padding:16px 17px;box-shadow:var(--shadow-sm);transition:transform .14s,box-shadow .2s,border-color .2s}
.tcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--brand-200,#ddd6fe);color:inherit}
.tcard .tcno{font-family:var(--font-head);font-weight:800;color:var(--brand-600);font-size:13px;letter-spacing:.04em}
.tcard .tcname{font-family:var(--font-head);font-weight:700;color:var(--ink-900);font-size:16px;margin:3px 0 10px;line-height:1.25}
.tcard .tcfoot{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:4px}
.tcard .tcloc{color:var(--ink-500);font-size:13px;display:flex;align-items:center;gap:6px;min-width:0}
.tcard .tcloc svg{width:14px;height:14px;color:var(--brand-400);flex:0 0 auto}
.tcard .tcloc span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- Map ---------- */
#routemap{height:420px;width:100%;border-radius:var(--radius);overflow:hidden;z-index:1}
.leaflet-container{font-family:var(--font-sans)}

/* ---------- Notice ---------- */
.notice{display:flex;gap:13px;align-items:flex-start;background:var(--gold-100);border:1px solid #fde68a;color:#92400e;border-radius:var(--radius);padding:16px 18px;font-weight:500}
.notice svg{width:20px;height:20px;flex:0 0 auto;margin-top:1px}
.notice.info{background:var(--brand-50);border-color:var(--brand-100);color:var(--brand-700)}

/* ---------- Feature strip ---------- */
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.feature{padding:4px 6px}
.feature .ic{width:44px;height:44px;border-radius:12px;background:var(--brand-50);color:var(--brand-600);display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.feature .ic svg{width:22px;height:22px}
.feature h3{font-size:16px;margin-bottom:5px}
.feature p{color:var(--ink-500);font-size:14px;margin:0}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-900);color:var(--ink-300);margin-top:48px;padding:42px 0 28px}
.site-footer a{color:var(--ink-300)}
.site-footer a:hover{color:#fff}
.site-footer .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:28px;padding-bottom:26px;border-bottom:1px solid rgba(255,255,255,.08)}
@media(max-width:760px){.site-footer .cols{grid-template-columns:1fr}}
.site-footer h4{color:#fff;font-size:14px;letter-spacing:.04em;text-transform:uppercase;margin-bottom:14px}
.site-footer .fbrand{display:flex;align-items:center;gap:10px;font-family:var(--font-head);font-weight:800;font-size:19px;color:#fff;margin-bottom:10px}
.site-footer .fbrand .logo{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand-500),var(--brand-700));display:flex;align-items:center;justify-content:center}
.site-footer .fbrand .logo svg{width:19px;height:19px;color:#fff}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer ul li{margin-bottom:9px;font-size:14px}
.site-footer .copy{padding-top:20px;font-size:13px;color:var(--ink-500);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* ---------- Animations ---------- */
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(251,191,36,.6)}70%{box-shadow:0 0 0 9px rgba(251,191,36,0)}100%{box-shadow:0 0 0 0 rgba(251,191,36,0)}}
@keyframes ring{0%{box-shadow:0 0 0 0 var(--brand-100)}70%{box-shadow:0 0 0 8px rgba(124,58,237,0)}100%{box-shadow:0 0 0 0 rgba(124,58,237,0)}}

/* ---------- Responsive ---------- */
@media(max-width:620px){
  .search-card{padding:14px;gap:10px}
  .search-card .field,.search-card .go{flex:1 1 100%}
  .btn.go-btn,.search-card .go .btn{width:100%}
  .hero .container{padding-bottom:88px}
  .status-head .delaybox{text-align:left}
  .tl-item{grid-template-columns:30px 1fr;gap:10px;padding:14px 16px}
  .tl-item::before{left:33px}
  .tl-times{grid-column:2;text-align:left;margin-top:8px}
  .tl-times .row{justify-content:flex-start}
  .nav a:not(.btn){display:none}
}