:root {
  color-scheme: light;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #28312b;
  background: #f6f5f0;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;

  --color-ink: #28312b;
  --color-muted: #5c6961;
  --color-surface: #fffefa;
  --color-surface-soft: #eef3ed;
  --color-border: #d9ded6;
  --color-accent: #446653;
  --color-accent-soft: #dce8dd;
  --color-marker: #815d36;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --radius-small: 0.35rem;
  --radius-medium: 0.65rem;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 20rem;
  min-height: 100vh;
  margin: 0;
}

button {
  color: inherit;
  font: inherit;
}

button:focus-visible,
a:focus-visible {
  outline: 3px solid #815d36;
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  z-index: 1;
  top: var(--space-2);
  left: var(--space-2);
  padding: var(--space-3) var(--space-4);
  transform: translateY(-160%);
  border-radius: var(--radius-small);
  background: var(--color-ink);
  color: white;
}

.skip-link:focus {
  transform: translateY(0);
}

.page-shell {
  width: min(100% - 2rem, 100rem);
  margin-inline: auto;
  padding-block: clamp(1.25rem, 3vw, 2rem);
}

h2,
h3,
p {
  margin-top: 0;
}

.planner-toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.planner-mode p {
  margin-bottom: 0;
}

.toolbar-actions {
  display: flex;
  align-items: center;
  justify-content: end;
  gap: var(--space-3);
}

.save-status {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.82rem;
}

.mode-button,
.button-primary,
.button-secondary,
.small-action-button {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  background: var(--color-surface);
  color: var(--color-ink);
  font-size: 0.85rem;
  font-weight: 650;
  line-height: 1.2;
  text-align: center;
  cursor: pointer;
}

.mode-button:hover,
.button-secondary:hover,
.small-action-button:hover {
  border-color: #9ba99c;
  background: #f4f6f1;
}

.small-action-button--danger {
  color: #7d3d36;
}

.small-action-button--danger:hover {
  border-color: #c59790;
  background: #fbf3f1;
}

.button-primary {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: white;
}

.button-primary:hover {
  background: #355540;
}

.mode-button:disabled,
.button-primary:disabled,
.button-secondary:disabled,
.small-action-button:disabled {
  opacity: 0.6;
  cursor: wait;
}

.mode-label {
  color: var(--color-ink);
  font-size: 0.95rem;
  font-weight: 700;
}

.range-label {
  margin-top: var(--space-1);
  color: var(--color-muted);
  font-size: 0.875rem;
}

.day-navigation {
  display: none;
}

.board-scroll {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-surface);
  overscroll-behavior-inline: contain;
  scrollbar-color: #aeb8ae transparent;
}

.timeline-board {
  display: grid;
  grid-template-columns: 4rem repeat(6, minmax(13rem, 1fr));
  grid-template-rows: auto auto;
  align-items: start;
  min-width: 82rem;
}

.timeline-board--single-day {
  min-width: 0;
  grid-template-columns: 3.5rem minmax(0, 1fr);
}

.time-heading,
.day-heading {
  min-width: 0;
  min-height: 5.25rem;
  padding: var(--space-4) var(--space-3);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.time-heading {
  display: flex;
  align-items: end;
  justify-content: center;
  color: var(--color-muted);
  font-size: 0.72rem;
  font-weight: 650;
}

.day-heading {
  border-left: 1px solid var(--color-border);
}

.day-heading--selected {
  background: #f7f8f3;
}

.day-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: var(--space-3);
}

.small-action-button {
  min-height: 2.75rem;
  padding-inline: 0.55rem;
  font-size: 0.76rem;
}

.day-name {
  margin-bottom: var(--space-1);
  color: var(--color-muted);
  font-size: 0.8rem;
  font-weight: 600;
}

.day-date {
  margin-bottom: 0;
  font-size: 1.125rem;
  line-height: 1.3;
}

.timeline-track {
  position: relative;
  min-width: 0;
  overflow: visible;
  background: var(--color-surface);
}

.time-axis {
  border-right: 1px solid var(--color-border);
}

.day-track {
  border-left: 1px solid var(--color-border);
}

.track-hour-line {
  position: absolute;
  z-index: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: #e6e9e3;
  pointer-events: none;
}

.time-axis-label {
  position: absolute;
  z-index: 1;
  right: var(--space-2);
  transform: translateY(-50%);
  padding-inline: 0.1rem;
  background: var(--color-surface);
  color: var(--color-muted);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
}

.day-empty {
  position: absolute;
  left: var(--space-3);
  right: var(--space-3);
  margin: 0;
  padding: var(--space-3);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-small);
  color: var(--color-muted);
  font-size: 0.85rem;
  line-height: 1.5;
}

.timeline-block {
  position: absolute;
  z-index: auto;
  left: 0;
  right: 0;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  appearance: none;
  overflow: visible;
}

.timeline-block--editing {
  cursor: pointer;
}

.timeline-block--editing:focus-visible,
.marker-edit-button:focus-visible {
  z-index: 6;
  outline: 3px solid #815d36;
  outline-offset: 3px;
}

.timeline-block::before {
  position: absolute;
  z-index: 0;
  inset: 0;
  border: 1px solid #bdcdbf;
  border-left: 4px solid var(--color-accent);
  background: var(--color-surface-soft);
  content: "";
  pointer-events: none;
}

.block-boundary-time {
  position: absolute;
  z-index: 4;
  left: var(--space-2);
  padding-inline: 0.25rem;
  background: var(--color-surface-soft);
  color: var(--color-accent);
  font-size: 0.7rem;
  font-weight: 700;
  line-height: 1.15;
  white-space: nowrap;
}

.block-boundary-time--start {
  top: 0;
  transform: translateY(-50%);
}

.block-boundary-time--end {
  bottom: 0;
  transform: translateY(50%);
}

.block-title {
  position: absolute;
  z-index: 4;
  top: 50%;
  left: var(--space-3);
  right: var(--space-3);
  transform: translateY(-50%);
  margin: 0;
  overflow: hidden;
  color: var(--color-ink);
  font-size: 0.82rem;
  font-weight: 650;
  line-height: 1.2;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.timeline-block--compact::before {
  background: #e4ece3;
}

.block-compact-label {
  position: absolute;
  z-index: 4;
  top: 50%;
  left: 0.2rem;
  right: 0.2rem;
  transform: translateY(-50%);
  padding: 0.1rem 0.3rem;
  background: var(--color-surface);
  color: var(--color-ink);
  font-size: 0.75rem;
  font-weight: 650;
  line-height: 1.2;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}

.timeline-marker {
  position: absolute;
  z-index: 3;
  left: 0;
  right: 0;
  pointer-events: none;
}

.timeline-marker::before {
  position: absolute;
  z-index: 0;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  transform: translateY(-50%);
  background: var(--color-marker);
  content: "";
  opacity: 0.8;
}

.marker-label {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: var(--space-2);
  display: inline-flex;
  max-width: calc(100% - 0.5rem);
  align-items: center;
  gap: 0.25rem;
  transform: translateY(-50%);
  margin: 0;
  padding: 0.2rem 0.25rem;
  border: 0;
  background: var(--color-surface);
  color: var(--color-ink);
  font: inherit;
  font-size: 0.75rem;
  line-height: 1.2;
  text-align: left;
  white-space: nowrap;
  pointer-events: auto;
}

.marker-time {
  flex: 0 0 auto;
  color: #694820;
  font-weight: 700;
}

.marker-divider {
  flex: 0 0 auto;
  color: var(--color-muted);
}

.marker-title {
  min-width: 0;
  overflow: hidden;
  font-weight: 650;
  text-overflow: ellipsis;
}

.marker-edit-button {
  cursor: pointer;
}

.marker-connector {
  position: absolute;
  z-index: 2;
  left: 1px;
  width: 1px;
  background: var(--color-marker);
  opacity: 0.45;
  pointer-events: none;
}

.current-time-line {
  position: absolute;
  z-index: 2;
  left: 0;
  right: 0;
  height: 2px;
  background: rgb(193 48 42 / 58%);
  pointer-events: none;
}

.current-time-label {
  position: absolute;
  top: -0.8rem;
  left: var(--space-2);
  padding: 0.05rem 0.25rem;
  background: rgb(255 254 250 / 88%);
  color: #a72b26;
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1.1;
  white-space: nowrap;
}

.developer-content {
  display: grid;
  gap: var(--space-3);
  padding: 0 var(--space-4) var(--space-4);
}

.developer-status {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.84rem;
}


.entry-dialog {
  width: min(calc(100% - 2rem), 34rem);
  max-width: 34rem;
  max-height: min(90dvh, 50rem);
  padding: var(--space-6);
  overflow-y: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-surface);
  color: var(--color-ink);
}

.entry-dialog::backdrop {
  background: rgb(31 39 33 / 46%);
}

.entry-form {
  display: grid;
  gap: var(--space-4);
}

.dialog-title {
  margin: 0;
  font-size: 1.35rem;
  line-height: 1.25;
}

.form-field {
  display: grid;
  gap: var(--space-2);
}

.form-label {
  color: var(--color-ink);
  font-size: 0.9rem;
  font-weight: 650;
}

.form-input {
  width: 100%;
  min-height: 2.75rem;
  padding: 0.55rem 0.65rem;
  border: 1px solid #aeb9af;
  border-radius: var(--radius-small);
  background: white;
  color: var(--color-ink);
  font: inherit;
}

.form-input:focus-visible {
  outline: 3px solid #815d36;
  outline-offset: 2px;
}

.checkbox-label {
  display: flex;
  min-height: 2.75rem;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-ink);
  font-size: 0.9rem;
  cursor: pointer;
}

.checkbox-input {
  width: 1.15rem;
  height: 1.15rem;
  margin: 0;
  accent-color: var(--color-accent);
}

.form-error {
  margin: 0;
  color: #8f3028;
  font-size: 0.9rem;
  line-height: 1.45;
}

.dialog-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: end;
  gap: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-border);
}

.loading-state,
.message-state {
  max-width: 42rem;
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-surface);
  line-height: 1.55;
}

.message-state h2 {
  margin-bottom: var(--space-2);
  font-size: 1.15rem;
}

.message-state p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.backup-panel {
  margin-top: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-surface);
}

.backup-summary {
  min-height: 2.75rem;
  padding: var(--space-3) var(--space-4);
  color: var(--color-muted);
  font-size: 0.85rem;
  font-weight: 650;
  cursor: pointer;
}

.backup-content {
  display: grid;
  gap: var(--space-3);
  padding: 0 var(--space-4) var(--space-4);
}

.backup-description {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.85rem;
  line-height: 1.5;
}

.backup-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: var(--space-3);
}

.file-choice {
  display: grid;
  gap: var(--space-1);
  color: var(--color-ink);
  font-size: 0.84rem;
  font-weight: 650;
}

.file-input {
  max-width: 100%;
  min-height: 2.75rem;
  padding: var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  background: white;
  color: var(--color-ink);
  font: inherit;
}

.backup-error {
  margin: 0;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 52rem) {
  .page-shell {
    width: min(100% - 1.25rem, 100rem);
    padding-block: 1.5rem;
  }

  .page-shell {
    padding-block: 1rem;
  }

  .planner-toolbar {
    align-items: start;
  }

  .toolbar-actions {
    align-items: end;
    flex-direction: column-reverse;
    gap: var(--space-2);
  }

  .day-navigation {
    display: grid;
    grid-template-columns: 2.75rem minmax(0, 1fr) 2.75rem;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
  }

  .day-navigation-button {
    display: grid;
    width: 2.75rem;
    height: 2.75rem;
    place-items: center;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    background: var(--color-surface);
    color: var(--color-accent);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
  }

  .day-navigation-button:disabled {
    color: #79827c;
    cursor: not-allowed;
  }

  .day-navigation-label {
    margin: 0;
    color: var(--color-ink);
    font-size: 0.95rem;
    font-weight: 650;
    text-align: center;
  }

  .time-heading,
  .day-heading {
    min-height: 5rem;
    padding: var(--space-3) var(--space-2);
  }

  .entry-dialog {
    width: calc(100% - 1rem);
    padding: var(--space-4);
  }

  .dialog-actions > button {
    flex: 1 1 8rem;
  }
}