body {
  font-family: "Trebuchet MS", "Segoe UI", Tahoma, sans-serif;
}

summary {
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

textarea {
  resize: vertical;
}

input,
select,
textarea,
button {
  outline: none;
}

a,
button,
input,
select,
textarea {
  transition: box-shadow 160ms ease, border-color 160ms ease, background-color 160ms ease, color 160ms ease;
}

input:focus,
select:focus,
textarea:focus,
button:focus-visible,
a:focus-visible {
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.18);
}

.modal-panel {
  overflow: hidden;
}

.modal-scroll-area {
  scrollbar-width: thin;
  scrollbar-color: rgba(71, 85, 105, 0.75) rgba(226, 232, 240, 0.9);
}

.modal-scroll-area::-webkit-scrollbar {
  width: 12px;
}

.modal-scroll-area::-webkit-scrollbar-track {
  background: rgba(226, 232, 240, 0.9);
}

.modal-scroll-area::-webkit-scrollbar-thumb {
  border: 3px solid rgba(226, 232, 240, 0.9);
  border-radius: 999px;
  background: rgba(71, 85, 105, 0.75);
}

.modal-scroll-area::-webkit-scrollbar-thumb:hover {
  background: rgba(51, 65, 85, 0.9);
}

.task-detail-save-bar {
  backdrop-filter: blur(10px);
}

.planner-timeline-shell {
  scrollbar-width: thin;
  scrollbar-color: rgba(71, 85, 105, 0.7) rgba(226, 232, 240, 0.9);
}

.planner-timeline-shell::-webkit-scrollbar {
  height: 12px;
}

.planner-timeline-shell::-webkit-scrollbar-track {
  background: rgba(226, 232, 240, 0.9);
  border-radius: 999px;
}

.planner-timeline-shell::-webkit-scrollbar-thumb {
  background: rgba(71, 85, 105, 0.7);
  border-radius: 999px;
  border: 2px solid rgba(226, 232, 240, 0.9);
}

.planner-timeline-grid {
  display: grid;
  gap: 1rem;
  min-width: max-content;
}

.planner-task-card {
  box-shadow: 0 12px 24px -22px rgba(15, 23, 42, 0.45);
}