/* Peterburg Todo — приветственная заметка (префикс pt-welcome-) */

.pt-welcome-layer {
  position: fixed;
  inset: 0;
  z-index: 999999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  box-sizing: border-box;
}

.pt-welcome-layer *,
.pt-welcome-layer *::before,
.pt-welcome-layer *::after {
  box-sizing: border-box;
}

.pt-welcome-layer.pt-welcome--open {
  opacity: 1;
  visibility: visible;
}

.pt-welcome-card {
  position: relative;
  width: 100%;
  max-width: 520px;
  max-height: calc(100vh - 32px);
  overflow-y: auto;
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
  transform: translateY(20px) scale(0.97);
  transition: transform 0.3s ease;
}

.pt-welcome-layer.pt-welcome--open .pt-welcome-card {
  transform: translateY(0) scale(1);
}

.pt-welcome-head {
  padding: 24px 24px 0;
}

.pt-welcome-heading {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.3;
  color: #1e293b;
}

.pt-welcome-content {
  padding: 16px 24px 20px;
  font-size: 0.95rem;
  line-height: 1.6;
  color: #475569;
}

.pt-welcome-content p {
  margin: 0 0 12px;
}

.pt-welcome-content p:last-child {
  margin-bottom: 0;
}

.pt-welcome-label {
  margin: 0 0 10px;
  font-weight: 700;
  color: #1e293b;
}

.pt-welcome-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 0;
}

.pt-welcome-trip {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid #e2e8f0;
}

.pt-welcome-content .pt-welcome-extra {
  margin: 0 0 10px;
}

.pt-welcome-linkbtn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 10px;
  text-decoration: none;
  color: #1e293b;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.1s ease;
}

.pt-welcome-linkbtn:hover {
  background: #f1f5f9;
  border-color: #cbd5e1;
  transform: translateY(-1px);
}

.pt-welcome-linkbtn:active {
  transform: translateY(0);
}

.pt-welcome-linkbtn-ico {
  flex-shrink: 0;
  font-size: 1.35rem;
  line-height: 1;
}

.pt-welcome-linkbtn-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-weight: 600;
  font-size: 0.92rem;
  line-height: 1.3;
}

.pt-welcome-linkbtn-sub {
  font-weight: 400;
  font-size: 0.78rem;
  color: #64748b;
}

.pt-welcome-linkbtn--tg {
  border-left: 3px solid #229ed9;
}

.pt-welcome-linkbtn--tg:hover {
  background: #eff8ff;
  border-color: #bae6fd;
}

.pt-welcome-linkbtn--maps {
  border-left: 3px solid #fc3f1d;
}

.pt-welcome-linkbtn--maps:hover {
  background: #fff7ed;
  border-color: #fed7aa;
}

.pt-welcome-linkbtn--trip {
  border-left: 3px solid #f59e0b;
}

.pt-welcome-linkbtn--trip:hover {
  background: #fffbeb;
  border-color: #fde68a;
}

.pt-welcome-foot {
  padding: 0 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pt-welcome-countdown {
  text-align: center;
  font-size: 0.85rem;
  color: #94a3b8;
  min-height: 1.25em;
}

.pt-welcome-countdown.pt-welcome-countdown--off {
  display: none;
}

.pt-welcome-controls {
  display: flex;
  flex-direction: column;
  gap: 8px;
  opacity: 0;
  visibility: hidden;
  max-height: 0;
  overflow: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease, max-height 0.3s ease;
}

.pt-welcome-controls.pt-welcome-controls--on {
  opacity: 1;
  visibility: visible;
  max-height: 140px;
}

.pt-welcome-btn {
  display: block;
  width: 100%;
  padding: 12px 20px;
  border: none;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease;
  font-family: inherit;
}

.pt-welcome-btn:active {
  transform: scale(0.98);
}

.pt-welcome-btn--main {
  background: #3b82f6;
  color: #ffffff;
}

.pt-welcome-btn--main:hover {
  background: #2563eb;
}

.pt-welcome-btn--alt {
  background: transparent;
  color: #64748b;
  border: 1px solid #e2e8f0;
}

.pt-welcome-btn--alt:hover {
  background: #f8fafc;
  color: #475569;
}

@media (max-width: 480px) {
  .pt-welcome-head {
    padding: 20px 18px 0;
  }

  .pt-welcome-heading {
    font-size: 1.15rem;
  }

  .pt-welcome-content {
    padding: 14px 18px 16px;
    font-size: 0.9rem;
  }

  .pt-welcome-foot {
    padding: 0 18px 18px;
  }

  .pt-welcome-card {
    border-radius: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pt-welcome-layer,
  .pt-welcome-card,
  .pt-welcome-controls {
    transition: none;
  }
}