/* ============ Toast ============ */
.toast {
  position: fixed;
  bottom: 1.5rem; left: 50%;
  transform: translate(-50%, 1rem);
  background: var(--ink); color: #fff;
  padding: .65rem 1.2rem;
  border-radius: 999px;
  font-size: .85rem;
  box-shadow: 0 8px 24px rgba(0,0,0,.25);
  opacity: 0; pointer-events: none;
  transition: opacity .25s ease, transform .25s ease;
  z-index: 900;
}
.toast.visible { opacity: 1; transform: translate(-50%, 0); }

/* ============ Floating action buttons ============ */
.float-actions {
  position: fixed;
  bottom: max(1.25rem, env(safe-area-inset-bottom));
  z-index: 400;
  display: flex;
  flex-direction: column;
  gap: .6rem;
  pointer-events: none;
}
.float-actions-left  { left: 1.25rem;  align-items: flex-start; }
.float-actions-right { right: 1.25rem; align-items: flex-end; }

.float-btn {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.92);
  color: var(--ink);
  box-shadow: 0 6px 20px rgba(0,0,0,.12);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: transform .2s, box-shadow .2s, opacity .25s, background .2s, border-color .2s;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
}
.float-btn.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.float-btn:hover {
  background: #fff;
  border-color: var(--accent);
  box-shadow: 0 8px 26px rgba(191,160,101,.3);
  transform: translateY(-2px);
}
.float-btn:active { transform: translateY(0); }
.float-btn svg { width: 1.15rem; height: 1.15rem; display: block; }

.float-share { display: none; }

/* ============ Route input mode ============ */
body.route-input-mode {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-direction: column;
}

#route-input {
  max-width: 480px;
  width: calc(100vw - 3rem);
  padding: 2.5rem 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: 0 12px 40px rgba(0,0,0,.08);
  text-align: center;
  margin: 0;
  position: relative;
  z-index: 10;
}
#route-input h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 300;
  color: var(--ink);
  margin-bottom: 2rem;
  line-height: 1.2;
}
#route-input form { display: flex; flex-direction: column; gap: 1rem; }
#route-input input[type="text"] {
  font-family: inherit;
  padding: .85rem 1.1rem;
  border: 1.5px solid var(--border);
  border-radius: 14px;
  font-size: 1rem;
  background: #fff; color: var(--ink);
  outline: none; transition: .15s; letter-spacing: .02em;
  text-align: center;
}
#route-input input[type="text"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(191,160,101,.1);
}
#route-input button[type="submit"] {
  font-family: inherit;
  padding: .85rem 2rem;
  background: var(--ink); color: #fff;
  border: none; border-radius: 999px;
  font-weight: 600; font-size: 1rem; letter-spacing: .04em;
  cursor: pointer; transition: .2s;
  box-shadow: 0 6px 18px rgba(15,26,32,.15);
}
#route-input button[type="submit"]:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(191,160,101,.25);
}