:root{
  --tube-blue:#152D75;
  --tube-red:#CD1719;
  --tube-ink:#101828;
  --tube-muted:#667085;
  --tube-bg:#f6f7fb;
  --tube-card:#ffffff;
  --tube-border:rgba(16,24,40,.08);
  --tube-shadow:0 10px 30px rgba(16,24,40,.08);
}

/* Base */
body{
  background:var(--tube-bg);
  color:var(--tube-ink);
}

a{ color:var(--tube-blue); }
a:hover{ color:var(--tube-red); }

.container{ max-width:1100px; }

/* ---------------- NAV ---------------- */

.tube-nav{
  background:var(--tube-blue);
  height:64px;
  display:flex;
  align-items:center;
}

.tube-brand{
  color:#fff;
  font-weight:600;
  font-size:1.1rem;
  text-decoration:none;
}

.tube-brand:hover{ color:#fff; }

.tube-menu{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  gap:1.5rem;
}

.tube-menu a{
  color:#fff;
  text-decoration:none;
  font-weight:500;
  position:relative;
  padding-bottom:4px;
}

.tube-menu a::after{
  content:'';
  position:absolute;
  left:0;
  bottom:0;
  width:0;
  height:3px;
  background:var(--tube-red);
  transition:width .2s ease;
}

.tube-menu a:hover::after,
.tube-menu a.active::after{
  width:100%;
}

/* ---------------- HERO ---------------- */

.tube-hero{
  background:
    radial-gradient(1200px 400px at 20% 0%, rgba(205,23,25,.18), transparent 60%),
    radial-gradient(900px 500px at 90% 10%, rgba(21,45,117,.22), transparent 55%),
    linear-gradient(180deg, #ffffff, rgba(255,255,255,.65));
  border:1px solid var(--tube-border);
  border-radius:18px;
  box-shadow:var(--tube-shadow);
  padding:26px;
}

.tube-hero h1{
  letter-spacing:-.02em;
  font-size:1.9rem;
  margin-bottom:.35rem;
}

.tube-hero p{
  color:var(--tube-muted);
  margin-bottom:0;
}

/* ---------------- CARDS ---------------- */

.tube-card{
  background:var(--tube-card);
  border:1px solid var(--tube-border);
  border-radius:18px;
  box-shadow:0 8px 24px rgba(16,24,40,.06);
  transition:transform .15s ease, box-shadow .15s ease;
}

.tube-card:hover{
  transform:translateY(-2px);
  box-shadow:0 14px 34px rgba(16,24,40,.10);
}

.tube-card-title{
  font-weight:650;
  letter-spacing:-.01em;
  margin-bottom:.3rem;
}

/* ---------------- BADGES ---------------- */

.tube-badge{
  display:inline-flex;
  align-items:center;
  gap:.45rem;
  border:1px solid var(--tube-border);
  border-radius:999px;
  padding:.25rem .6rem;
  font-size:.85rem;
  color:var(--tube-muted);
  background:rgba(255,255,255,.7);
}

.tube-dot{
  width:10px;
  height:10px;
  border-radius:50%;
  background:var(--tube-red);
  box-shadow:0 0 0 4px rgba(205,23,25,.12);
}

/* ---------------- SEARCH ---------------- */

.tube-search{
  display:flex;
  gap:10px;
  margin-top:14px;
}

.tube-input{
  flex:1;
  border:1px solid var(--tube-border);
  border-radius:14px;
  padding:12px 14px;
  outline:none;
  background:#fff;
}

.tube-input:focus{
  border-color:rgba(21,45,117,.45);
  box-shadow:0 0 0 4px rgba(21,45,117,.12);
}

.tube-btn{
  border:none;
  border-radius:14px;
  padding:12px 16px;
  background:var(--tube-blue);
  color:#fff;
  font-weight:600;
}

.tube-btn:hover{ background:#10245e; }
.tube-btn:active{ transform:translateY(1px); }

/* ---------------- SECTIONS ---------------- */

.tube-section-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin:26px 0 12px;
}

.tube-section-title h2{
  font-size:1.05rem;
  margin:0;
  letter-spacing:-.01em;
}

.tube-section-title .hint{
  color:var(--tube-muted);
  font-size:.92rem;
}

/* ---------------- FOOTER ---------------- */

footer{
  background:#fff;
}











/* ---------------- LINES GRID ---------------- */

.lines-grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap:12px;
}

@media (max-width: 992px){
  .lines-grid{ grid-template-columns: repeat(6, 1fr); }
}
@media (max-width: 576px){
  .lines-grid{ grid-template-columns: repeat(2, 1fr); }
}

.line-card{
  grid-column: span 3;
  text-decoration:none;
  color: inherit;
}

@media (max-width: 992px){
  .line-card{ grid-column: span 3; }
}
@media (max-width: 576px){
  .line-card{ grid-column: span 1; }
}

.line-tile{
  background: var(--tube-card);
  border:1px solid var(--tube-border);
  border-radius:18px;
  box-shadow: 0 8px 24px rgba(16,24,40,.06);
  padding:14px;
  position:relative;
  overflow:hidden;
  min-height:92px;
  transition: transform .15s ease, box-shadow .15s ease;
}

.line-tile:hover{
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(16,24,40,.10);
}

.line-chip{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  letter-spacing:-.01em;
}

.line-swatch{
  width:16px;
  height:16px;
  border-radius:6px;
  background: var(--line-color);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--line-color) 20%, transparent);
}

.line-meta{
  color: var(--tube-muted);
  font-size:.9rem;
  margin-top:8px;
}

/* optional: subtle corner accent */
.line-tile::after{
  content:'';
  position:absolute;
  right:-40px;
  top:-40px;
  width:120px;
  height:120px;
  border-radius:999px;
  background: color-mix(in srgb, var(--line-color) 18%, transparent);
}



/* --- TfL-ish Lines Grid (clean, not freestyle) --- */

.lines-grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap:10px;
}

@media (max-width: 992px){ .lines-grid{ grid-template-columns: repeat(6, 1fr); } }
@media (max-width: 576px){ .lines-grid{ grid-template-columns: repeat(2, 1fr); } }

.line-card{
  grid-column: span 3;
  text-decoration:none;
  color: inherit;
}

@media (max-width: 992px){ .line-card{ grid-column: span 3; } }
@media (max-width: 576px){ .line-card{ grid-column: span 1; } }

.line-tile{
  background:#fff;
  border:1px solid rgba(16,24,40,.12);
  border-radius:10px;
  padding:12px 12px 12px 14px;
  min-height:78px;
  position:relative;
  transition: border-color .12s ease, transform .12s ease;
}

/* linker Farbstreifen statt Glow/Kreise */
.line-tile::before{
  content:'';
  position:absolute;
  left:0; top:0; bottom:0;
  width:6px;
  background: var(--line-color);
  border-radius:10px 0 0 10px;
}

.line-tile:hover{
  border-color: rgba(21,45,117,.35);
  transform: translateY(-1px);
}

/* Headerzeile */
.line-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}

.line-name{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  letter-spacing:-.01em;
}

.line-swatch{
  width:14px;
  height:14px;
  border-radius:4px;
  background: var(--line-color);
}

/* Meta: sehr ruhig */
.line-meta{
  margin-top:6px;
  color: rgba(16,24,40,.62);
  font-size:.9rem;
}

/* kleiner, sachlicher Badge */
.line-tag{
  font-size:.82rem;
  color: rgba(16,24,40,.62);
  border:1px solid rgba(16,24,40,.14);
  border-radius:999px;
  padding:.15rem .5rem;
  white-space:nowrap;
  background:#fff;
}


/* Lines board: no circles/swatch, only left color rail */
.line-name { display:flex; align-items:center; gap:0; } /* no swatch gap */
.line-swatch { display:none !important; }               /* kill the circle/square */

.line-tile{
  padding-left:16px; /* a bit more breathing room since swatch is gone */
}



/* ---------------- TOPBAR NAV (sticky, TfL-ish utility) ---------------- */

.tube-topbar{
  position: sticky;
  top: 0;
  z-index: 999;
  background: var(--tube-blue);
  color: #fff;
}

.tube-topbar-inner{
  height: 64px;
  display:flex;
  align-items:center;
  gap: 14px;
}

.tube-topbar-accent{
  height: 4px;
  background: var(--tube-red);
}

/* Brand */
.tube-brand{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  color:#fff;
  font-weight:700;
  letter-spacing:-.01em;
  white-space:nowrap;
}

.tube-brand:hover{ color:#fff; }

.tube-brand-mark{
  width: 16px;
  height: 16px;
  border-radius: 999px;
  border: 3px solid #fff;     /* roundel-ish hint */
  box-shadow: inset 0 0 0 6px rgba(255,255,255,.0);
}

/* Search (compact, clean) */
.tube-topsearch{
  flex: 1;
  display:flex;
  align-items:center;
  gap: 8px;
  max-width: 520px;
}

.tube-topsearch-input{
  width:100%;
  height: 40px;
  border: 1px solid rgba(255,255,255,.25);
  background: rgba(255,255,255,.12);
  color:#fff;
  border-radius: 12px;
  padding: 0 12px;
  outline:none;
}

.tube-topsearch-input::placeholder{
  color: rgba(255,255,255,.75);
}

.tube-topsearch-input:focus{
  border-color: rgba(255,255,255,.55);
  box-shadow: 0 0 0 4px rgba(255,255,255,.12);
}

.tube-topsearch-btn{
  height: 40px;
  border: none;
  background: #fff;
  color: var(--tube-blue);
  font-weight: 700;
  border-radius: 12px;
  padding: 0 12px;
  white-space:nowrap;
}

.tube-topsearch-btn:hover{
  opacity:.95;
}

/* Links */
.tube-navlinks{
  display:flex;
  align-items:center;
  gap: 14px;
  white-space:nowrap;
}

.tube-navlinks a{
  color: rgba(255,255,255,.92);
  text-decoration:none;
  font-weight:600;
  font-size: .95rem;
  padding: 6px 8px;
  border-radius: 10px;
}

.tube-navlinks a:hover{
  background: rgba(255,255,255,.12);
  color:#fff;
}

.tube-navlinks a.active{
  background: rgba(255,255,255,.18);
  color:#fff;
}

/* Make it resilient on smaller screens */
@media (max-width: 992px){
  .tube-topsearch{ display:none; }   /* search stays in hero on mobile */
}

@media (max-width: 576px){
  .tube-navlinks{ gap: 8px; }
  .tube-navlinks a{ padding: 6px 6px; font-size:.9rem; }
}

/* Subtle shadow only when scrolled */
.tube-topbar.is-scrolled{
  box-shadow: 0 6px 18px rgba(16,24,40,.18);
}