.kanban-page {
  min-width: 320px;
  --kanban-min-font-size: 1rem;
}

.kanban-intro {
  padding-bottom: clamp(52px, 7vw, 84px);
}

.kanban-workspace {
  padding: clamp(34px, 5vw, 64px) 0 clamp(70px, 8vw, 106px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(231, 223, 207, 0.28);
}

.kanban-container {
  width: min(100% - 48px, 1600px);
  margin: 0 auto;
}

.board-topbar,
.board-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.board-topbar {
  padding: 22px 24px;
  border: 1px solid var(--line);
  background: var(--background);
}

.board-name-field {
  display: grid;
  grid-template-columns: auto minmax(180px, 360px);
  align-items: center;
  gap: 5px 14px;
}

.board-name-field label,
.board-toolbar-label {
  color: var(--green);
  font-family: Georgia, "Times New Roman", serif;
  font-size: var(--kanban-min-font-size);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.board-name-field input,
.card-form input,
.card-form textarea,
.card-form select {
  width: 100%;
  border: 1px solid rgba(78, 127, 97, 0.4);
  border-radius: 0;
  background: #fffdf8;
  color: var(--ink);
  font: inherit;
}

.board-name-field input {
  min-height: 42px;
  padding: 7px 11px;
  font-size: 1rem;
  font-weight: 600;
}

.board-name-field input:focus-visible,
.card-form input:focus-visible,
.card-form textarea:focus-visible,
.card-form select:focus-visible,
.column-title-input:focus-visible {
  outline: 2px solid var(--light-green);
  outline-offset: 2px;
}

.save-status {
  grid-column: 2;
  min-height: 1.35em;
  color: var(--muted);
  font-size: var(--kanban-min-font-size);
}

.board-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.compact-button {
  min-height: 40px;
  padding: 7px 13px;
  font-size: var(--kanban-min-font-size);
  white-space: nowrap;
}

.file-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.danger-button {
  min-height: 48px;
  padding: 10px 19px;
  border: 1px solid #9b5749;
  border-radius: 0;
  background: transparent;
  color: #8b4c3d;
  font: inherit;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
}

.danger-button:hover,
.danger-button:focus-visible {
  background: rgba(139, 76, 61, 0.09);
}

.local-notice {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.65fr);
  gap: 28px;
  padding: 19px 22px;
  border-right: 1px solid rgba(78, 127, 97, 0.22);
  border-bottom: 1px solid rgba(78, 127, 97, 0.22);
  border-left: 3px solid var(--light-green);
  background: rgba(168, 197, 162, 0.13);
}

.local-notice p {
  margin: 0;
  color: var(--muted);
  font-size: var(--kanban-min-font-size);
  line-height: 1.65;
}

.local-notice .local-notice-title {
  margin-bottom: 4px;
  color: var(--ink);
  font-weight: 700;
}

.local-notice details {
  color: var(--green);
  font-size: var(--kanban-min-font-size);
}

.local-notice summary {
  width: fit-content;
  cursor: pointer;
  font-weight: 700;
}

.local-notice details p {
  margin-top: 5px;
}

.board-toolbar {
  padding: 35px 0 18px;
}

.board-toolbar-label,
.board-summary {
  margin: 0;
}

.board-summary {
  color: var(--muted);
  font-size: var(--kanban-min-font-size);
}

.board-scroll {
  overflow-x: auto;
  padding: 0 0 18px;
  overscroll-behavior-inline: contain;
}

.kanban-board {
  display: flex;
  min-width: min-content;
  min-height: 380px;
  align-items: flex-start;
  gap: 16px;
}

.board-empty {
  width: min(100vw - 48px, 520px);
  padding: 52px 34px;
  border: 1px dashed rgba(78, 127, 97, 0.45);
  background: var(--background);
  color: var(--muted);
  text-align: center;
}

.board-empty p {
  margin-bottom: 20px;
}

.kanban-column {
  width: clamp(290px, 24vw, 350px);
  flex: 0 0 clamp(290px, 24vw, 350px);
  border-top: 3px solid var(--light-green);
  background: rgba(244, 241, 234, 0.92);
  box-shadow: 0 9px 24px rgba(59, 74, 60, 0.06);
}

.kanban-column.is-dragging,
.kanban-card.is-dragging {
  opacity: 0.45;
}

.kanban-column.is-drop-target {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

.column-header {
  padding: 18px 17px 14px;
  border-bottom: 1px solid var(--line);
}

.column-heading-row,
.column-footer,
.card-actions,
.card-meta,
.dialog-heading,
.dialog-actions {
  display: flex;
  align-items: center;
}

.column-heading-row {
  gap: 10px;
}

.column-title-wrap {
  min-width: 0;
  flex: 1;
}

.column-title {
  overflow: hidden;
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.035em;
  line-height: 1.45;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.column-count {
  color: var(--muted);
  font-size: var(--kanban-min-font-size);
}

.column-menu {
  display: flex;
  gap: 2px;
}

.icon-button,
.text-icon-button,
.danger-text-button {
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  cursor: pointer;
}

.icon-button {
  display: inline-grid;
  width: 32px;
  height: 32px;
  padding: 0;
  place-items: center;
  font-size: 1.05rem;
}

.icon-button:hover,
.icon-button:focus-visible,
.text-icon-button:hover,
.text-icon-button:focus-visible {
  background: rgba(168, 197, 162, 0.2);
  color: var(--green);
}

.icon-button:disabled,
.text-icon-button:disabled {
  cursor: not-allowed;
  opacity: 0.35;
}

.drag-handle {
  cursor: grab;
  font-size: var(--kanban-min-font-size);
  letter-spacing: -0.16em;
}

.drag-handle:active {
  cursor: grabbing;
}

.card-list {
  display: grid;
  min-height: 92px;
  gap: 10px;
  padding: 13px;
}

.column-empty {
  margin: 14px 4px;
  color: var(--muted);
  font-size: var(--kanban-min-font-size);
  text-align: center;
}

.kanban-card {
  padding: 14px;
  border: 1px solid rgba(78, 127, 97, 0.19);
  background: #fffdf8;
  box-shadow: 0 4px 12px rgba(59, 74, 60, 0.045);
  cursor: grab;
}

.kanban-card:active {
  cursor: grabbing;
}

.kanban-card.is-overdue {
  border-left: 4px solid #a44e43;
}

.kanban-card.is-today {
  border-left: 4px solid #c58932;
}

.card-title-button {
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: var(--kanban-min-font-size);
  font-weight: 700;
  line-height: 1.55;
  text-align: left;
  cursor: pointer;
}

.card-title-button:hover,
.card-title-button:focus-visible {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.card-description {
  display: -webkit-box;
  overflow: hidden;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: var(--kanban-min-font-size);
  line-height: 1.6;
  white-space: pre-line;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.card-meta {
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 11px;
}

.due-badge,
.tag-badge {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  padding: 2px 7px;
  font-size: var(--kanban-min-font-size);
  line-height: 1.35;
}

.due-badge {
  border: 1px solid rgba(78, 127, 97, 0.28);
  color: var(--muted);
}

.due-badge.is-overdue {
  border-color: rgba(164, 78, 67, 0.35);
  background: rgba(164, 78, 67, 0.09);
  color: #8c3f36;
  font-weight: 700;
}

.due-badge.is-today {
  border-color: rgba(197, 137, 50, 0.42);
  background: rgba(197, 137, 50, 0.11);
  color: #875b1f;
  font-weight: 700;
}

.tag-badge {
  background: rgba(168, 197, 162, 0.2);
  color: #486d54;
}

.card-actions {
  justify-content: flex-end;
  gap: 2px;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid rgba(78, 127, 97, 0.12);
}

.text-icon-button {
  min-width: 30px;
  min-height: 28px;
  padding: 2px 7px;
  font-size: var(--kanban-min-font-size);
}

.column-footer {
  padding: 0 13px 14px;
}

.add-card-button {
  width: 100%;
  min-height: 39px;
  border: 1px dashed rgba(78, 127, 97, 0.4);
  background: transparent;
  color: var(--green);
  font: inherit;
  font-size: var(--kanban-min-font-size);
  font-weight: 700;
  cursor: pointer;
}

.add-card-button:hover,
.add-card-button:focus-visible {
  border-style: solid;
  background: rgba(168, 197, 162, 0.15);
}

.board-help {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: var(--kanban-min-font-size);
}

.card-dialog {
  width: min(100% - 32px, 650px);
  max-height: min(90vh, 780px);
  padding: 0;
  overflow: auto;
  border: 1px solid rgba(78, 127, 97, 0.38);
  border-radius: 0;
  background: var(--background);
  color: var(--ink);
  box-shadow: 0 22px 70px rgba(35, 46, 36, 0.22);
}

.card-dialog::backdrop {
  background: rgba(34, 42, 35, 0.48);
}

.card-form {
  padding: clamp(24px, 5vw, 42px);
}

.dialog-heading {
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 27px;
}

.dialog-heading .section-label {
  margin-bottom: 4px;
  font-size: var(--kanban-min-font-size);
}

.dialog-heading h2 {
  margin: 0;
  font-size: clamp(1.35rem, 3vw, 1.75rem);
}

.card-form .form-field {
  margin-bottom: 20px;
}

.card-form .form-field label {
  margin-bottom: 7px;
  font-size: var(--kanban-min-font-size);
}

.card-form input,
.card-form textarea,
.card-form select {
  min-height: 44px;
  padding: 9px 11px;
}

.card-form textarea {
  min-height: 124px;
  resize: vertical;
  line-height: 1.6;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.field-help {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: var(--kanban-min-font-size);
}

.dialog-actions {
  gap: 9px;
  margin-top: 28px;
}

.dialog-actions-spacer {
  flex: 1;
}

.danger-text-button {
  padding: 8px 3px;
  color: #8b4c3d;
  font-size: var(--kanban-min-font-size);
  font-weight: 700;
}

.danger-text-button:hover,
.danger-text-button:focus-visible {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.toast {
  position: fixed;
  z-index: 20;
  right: 24px;
  bottom: 24px;
  max-width: min(390px, calc(100vw - 48px));
  padding: 13px 17px;
  border-left: 3px solid var(--green);
  background: #33463a;
  color: #fff;
  box-shadow: 0 10px 30px rgba(35, 46, 36, 0.2);
  font-size: var(--kanban-min-font-size);
}

.toast.is-error {
  border-left-color: #d7a69a;
  background: #69443d;
}

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

@media (max-width: 980px) {
  .board-topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .board-actions {
    justify-content: flex-start;
  }

  .local-notice {
    grid-template-columns: 1fr;
    gap: 9px;
  }
}

@media (max-width: 720px) {
  .kanban-container {
    width: min(100% - 32px, 1600px);
  }

  .board-topbar {
    padding: 18px;
  }

  .board-name-field {
    width: 100%;
    grid-template-columns: 1fr;
  }

  .board-name-field input,
  .save-status {
    grid-column: 1;
  }

  .board-actions {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .board-actions .compact-button {
    width: 100%;
  }

  .board-toolbar {
    align-items: flex-end;
  }

  .kanban-column {
    width: min(84vw, 320px);
    flex-basis: min(84vw, 320px);
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .dialog-actions {
    flex-wrap: wrap;
  }

  .dialog-actions-spacer {
    display: none;
  }
}

@media (max-width: 420px) {
  .board-actions {
    grid-template-columns: 1fr;
  }

  .board-toolbar {
    align-items: stretch;
    flex-direction: column;
    gap: 12px;
  }

  .board-toolbar .compact-button {
    width: 100%;
  }

  .dialog-actions .primary-button,
  .dialog-actions .secondary-button {
    flex: 1;
  }

  .danger-text-button {
    width: 100%;
    margin-bottom: 4px;
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }
}