*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#0d1117;--surface:#161b22;--border:#30363d;--text:#c9d1d9;--text-muted:#8b949e;--accent:#58a6ff;--accent-hover:#79c0ff;--success:#3fb950;--error:#f85149;--radius:8px;--font:system-ui,-apple-system,sans-serif}
body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100dvh;overflow:hidden}
#app{display:flex;flex-direction:column;height:100dvh}
header{padding:10px 16px;border-bottom:1px solid var(--border);flex-shrink:0;background:var(--surface)}
header h1{font-size:1rem;font-weight:600;color:var(--accent)}
.subtitle{font-size:.7rem;color:var(--text-muted);margin-top:1px}
#loading{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;gap:16px}
.spinner{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* -- Desktop layout -- */
#content{display:flex;flex:1;overflow:hidden;position:relative}
#sidebar{width:380px;flex-shrink:0;border-right:1px solid var(--border);display:flex;flex-direction:column;background:var(--surface);z-index:2}
#controls{padding:10px 12px;border-bottom:1px solid var(--border);display:flex;flex-direction:column;gap:8px;flex-shrink:0}
.field{display:flex;flex-direction:column;gap:3px;position:relative}
.field label{font-size:.65rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.3px;user-select:none}
.field input,.field select{padding:9px 10px;border:1px solid var(--border);border-radius:7px;background:var(--bg);color:var(--text);font-size:.85rem;outline:none;transition:border-color .15s}
.field input:focus,.field select:focus{border-color:var(--accent)}
.results{position:absolute;top:100%;left:0;right:0;z-index:20;background:var(--surface);border:1px solid var(--border);border-radius:7px;max-height:220px;overflow-y:auto;display:none;box-shadow:0 8px 24px rgba(0,0,0,.5)}
.results.active{display:block}
.result-item{padding:8px 10px;cursor:pointer;font-size:.82rem;border-bottom:1px solid var(--border);transition:background .1s}
.result-item:last-child{border-bottom:none}
.result-item:hover,.result-item.selected{background:rgba(88,166,255,.12)}
.result-item .stop-id{font-size:.68rem;color:var(--text-muted);margin-left:6px}
.field-row{display:flex;gap:8px}
.flex-1{flex:1}
#route-btn{padding:10px;border:none;border-radius:7px;background:var(--accent);color:#fff;font-weight:600;font-size:.88rem;cursor:pointer;transition:background .15s}
#route-btn:hover:not(:disabled){background:var(--accent-hover)}
#route-btn:disabled{opacity:.4;cursor:not-allowed}
#status-bar{display:flex;gap:16px;align-items:center;padding:6px 12px;border-bottom:1px solid var(--border);font-size:.7rem;color:var(--text-muted);flex-shrink:0;background:var(--bg)}
#results{flex:1;overflow-y:auto;padding:10px}
/* Results content */
.journey{border:1px solid var(--border);border-radius:7px;margin-bottom:8px;overflow:hidden}
.journey-header{padding:8px 10px;background:rgba(88,166,255,.05);font-size:.78rem;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;color:var(--text-muted)}
.journey-body{padding:6px 10px}
.leg{display:flex;align-items:center;gap:6px;padding:3px 0;font-size:.82rem}
.leg-time{font-variant-numeric:tabular-nums;color:var(--accent);font-weight:600;min-width:36px;font-size:.78rem}
.leg-label{font-size:.6rem;color:var(--text-muted);text-transform:uppercase;min-width:44px;flex-shrink:0}
.leg-stop{color:var(--text);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}
.leg-route{background:var(--bg);padding:2px 7px;border-radius:4px;font-size:.7rem;white-space:nowrap;flex-shrink:0;font-weight:500;color:var(--accent)}
.leg-sep{height:1px;background:var(--border);margin:3px 0 3px 36px}

/* -- Map -- */
#map-container{flex:1;position:relative;overflow:hidden}
#map{position:absolute;inset:0;z-index:1}

/* -- Mobile-only: hidden on desktop -- */
.mobile-search{display:none}
.mobile-results{display:none}
#error{position:fixed;bottom:16px;left:50%;transform:translateX(-50%);padding:10px 20px;background:rgba(248,81,73,.14);border:1px solid var(--error);border-radius:var(--radius);color:var(--error);display:none;font-size:.85rem;z-index:1000;backdrop-filter:blur(8px);white-space:nowrap}

/* ================ MOBILE ≤ 768px ================ */
@media(max-width:768px){
header{padding:6px 10px}
header h1{font-size:.85rem}
.subtitle{display:none}
#sidebar{display:none !important}

#map-container{flex:1;display:flex;flex-direction:column}

/* Overlay search bar */
.mobile-search{
  display:block;
  position:absolute;top:0;left:0;right:0;z-index:10;
  padding:8px;
  background:linear-gradient(to bottom, rgba(13,17,23,.95) 60%, rgba(13,17,23,0) 100%);
  pointer-events:none;
}
.mobile-search>*{pointer-events:auto}
.mobile-search-row{display:flex;gap:6px;align-items:center;margin-bottom:6px}
.mobile-stop-input{
  flex:1;padding:10px 12px;border:1px solid var(--border);border-radius:10px;
  background:var(--surface);color:var(--text);font-size:.9rem;outline:none;
  min-width:0;transition:border-color .15s
}
.mobile-stop-input:focus{border-color:var(--accent)}
.swap-btn{
  width:36px;height:36px;border:1px solid var(--border);border-radius:50%;
  background:var(--surface);color:var(--text-muted);font-size:1rem;cursor:pointer;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  transition:all .15s;padding:0
}
.swap-btn:active{background:var(--accent);color:#fff;border-color:var(--accent)}
#m-options-row select{
  flex:1;padding:8px 6px;border:1px solid var(--border);border-radius:8px;
  background:var(--surface);color:var(--text);font-size:.8rem;outline:none;text-align:center
}
#m-options-row select:focus{border-color:var(--accent)}
.m-route-btn{
  padding:8px 16px;border:none;border-radius:8px;background:var(--accent);
  color:#fff;font-weight:700;font-size:.85rem;cursor:pointer;min-width:44px;
  transition:background .15s
}
.m-route-btn:active{background:var(--accent-hover)}
.m-route-btn:disabled{opacity:.4;cursor:not-allowed}

/* Search results - positioned relative to inputs */
.m-results{
  position:absolute!important;
  z-index:30!important;
  left:14px!important;right:14px!important;
  max-height:180px!important;
}
#m-from-results{top:calc(0.5rem + 36px + 8px)!important}
#m-to-results{top:calc(0.5rem + 36px + 8px)!important}

/* Bottom results drawer */
.mobile-results{
  display:flex;
  flex-direction:column;
  position:absolute;bottom:0;left:0;right:0;z-index:10;
  max-height:45vh;
  background:var(--surface);border-top:1px solid var(--border);
  border-radius:16px 16px 0 0;
  box-shadow:0 -4px 20px rgba(0,0,0,.4);
  transform:translateY(100%);
  transition:transform .3s cubic-bezier(.4,0,.2,1);
}
.mobile-results.visible{transform:translateY(0)}
.mobile-results.collapsed{transform:translateY(calc(100% - 36px))}
.mobile-results-handle{
  width:32px;height:4px;background:var(--border);border-radius:2px;
  margin:12px auto 8px;flex-shrink:0;cursor:pointer;
}
#m-results-content{flex:1;overflow-y:auto;padding:0 12px 16px;-webkit-overflow-scrolling:touch}

/* Hide error on mobile or move it */
#error{bottom:auto;top:8px;transform:translateX(-50%)}
}

/* ================ SMALL PHONE ≤ 480px ================ */
@media(max-width:480px){
.mobile-stop-input{padding:8px 10px;font-size:.85rem}
.m-route-btn{padding:6px 12px;font-size:.8rem}
#m-options-row select{font-size:.72rem;padding:7px 4px}
.mobile-results{max-height:50vh}
}