* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Jost", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: #1a1a2e;
  color: #eee;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Header */

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  background-color: #0f1629;
  border-bottom: 1px solid #0f3460;
  flex-shrink: 0;
}

.app-title {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}

.header-center {
  display: flex;
  align-items: center;
  gap: 8px;
}

.project-select {
  background-color: #16213e;
  color: #fff;
  border: 1px solid #0f3460;
  border-radius: 4px;
  padding: 6px 12px;
  font-size: 14px;
  cursor: pointer;
  outline: none;
  min-width: 180px;
}

.project-select:focus {
  border-color: #4a90e2;
}

.project-select option {
  background-color: #16213e;
  color: #fff;
}

.header-btn {
  background-color: #16213e;
  color: #a8b2d1;
  border: 1px solid #0f3460;
  border-radius: 4px;
  padding: 6px 10px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.header-btn:hover {
  background-color: #0f3460;
  color: #fff;
  border-color: #4a90e2;
}

.header-left, .header-right {
  min-width: 80px;
}

/* Tag filter bar */

.tag-filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  background-color: #0f1629;
  border-bottom: 1px solid #0f3460;
  flex-shrink: 0;
}

/* Recent filter bar */

.recent-filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  background-color: #0f1629;
  border-bottom: 1px solid #0f3460;
  flex-shrink: 0;
}

.recent-filter-label {
  font-size: 12px;
  color: #a8b2d1;
  white-space: nowrap;
}

.recent-filter-select {
  background-color: #16213e;
  color: #fff;
  border: 1px solid #0f3460;
  border-radius: 4px;
  padding: 4px 10px;
  font-size: 12px;
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s ease;
}

.recent-filter-select:focus {
  border-color: #4a90e2;
}

.recent-filter-select option {
  background-color: #16213e;
  color: #fff;
}

.tag-filter-label {
  font-size: 12px;
  color: #a8b2d1;
  white-space: nowrap;
}

.tag-filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag-filter-tag {
  display: inline-block;
  padding: 3px 10px;
  background-color: #16213e;
  color: #a8b2d1;
  border: 1px solid #0f3460;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tag-filter-tag:hover {
  background-color: #2980b9;
  color: #fff;
  border-color: #2980b9;
}

.tag-filter-tag.active {
  background-color: #2980b9;
  color: #fff;
  border-color: #2980b9;
}

.tag-filter-clear {
  background: transparent;
  border: 1px solid #0f3460;
  color: #a8b2d1;
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.tag-filter-clear:hover {
  background-color: #0f3460;
  color: #fff;
  border-color: #4a90e2;
}

/* Board */

.board {
  display: flex;
  gap: 16px;
  padding: 20px;
  flex: 1;
  overflow-x: auto;
}

.column {
  display: flex;
  flex-direction: column;
  background-color: #16213e;
  border-radius: 8px;
  min-width: 280px;
  max-width: 280px;
  padding: 12px;
  height: 100%;
}

.column-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid #0f3460;
}

.column-header h2 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
}

.card-count {
  background-color: #0f3460;
  color: #a8b2d1;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

.cards-container {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  margin-bottom: 12px;
  min-height: 100px;
}

.cards-container::-webkit-scrollbar {
  width: 6px;
}

.cards-container::-webkit-scrollbar-track {
  background: transparent;
}

.cards-container::-webkit-scrollbar-thumb {
  background: #0f3460;
  border-radius: 3px;
}

.card {
  background-color: #0f3460;
  border-radius: 6px;
  padding: 12px;
  margin-bottom: 8px;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  transition: all 0.2s ease;
}

.card:hover {
  background-color: #164a7e;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
  transform: translateY(-2px);
}

.card.dragging {
  opacity: 0.5;
  cursor: grabbing;
}

.drag-placeholder {
  background-color: rgba(74, 144, 226, 0.2);
  border: 2px dashed #4a90e2;
  border-radius: 6px;
  height: 60px;
  margin-bottom: 8px;
  transition: height 0.2s ease;
}

.card-title {
  font-size: 14px;
  font-weight: 500;
  color: #fff;
  margin-bottom: 4px;
  word-wrap: break-word;
}

.card-description {
  font-size: 12px;
  color: #a8b2d1;
  line-height: 1.4;
  word-wrap: break-word;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.column.drag-over .cards-container {
  background-color: rgba(15, 52, 96, 0.5);
  border: 2px dashed #4a90e2;
  border-radius: 6px;
}

.add-card-btn {
  background-color: transparent;
  color: #a8b2d1;
  border: 2px dashed #0f3460;
  border-radius: 6px;
  padding: 8px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s ease;
  width: 100%;
}

.add-card-btn:hover {
  background-color: #0f3460;
  color: #fff;
  border-color: #4a90e2;
}

.add-card-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.add-card-form input {
  background-color: #0f3460;
  color: #fff;
  border: 1px solid #4a90e2;
  border-radius: 4px;
  padding: 8px;
  font-size: 14px;
  outline: none;
}

.add-card-form input::placeholder {
  color: #a8b2d1;
}

.add-card-form-buttons {
  display: flex;
  gap: 8px;
}

.add-card-form button {
  flex: 1;
  padding: 6px;
  border: none;
  border-radius: 4px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.add-card-form .submit-btn {
  background-color: #4a90e2;
  color: #fff;
}

.add-card-form .submit-btn:hover {
  background-color: #357abd;
}

.add-card-form .cancel-btn {
  background-color: #0f3460;
  color: #a8b2d1;
}

.add-card-form .cancel-btn:hover {
  background-color: #16213e;
}

/* Modals */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal {
  background-color: #16213e;
  border-radius: 8px;
  width: 90%;
  max-width: 600px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  animation: slideIn 0.2s ease;
}

@keyframes slideIn {
  from {
    transform: translateY(-20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 20px;
  border-bottom: 1px solid #0f3460;
}

.modal-header h3 {
  font-size: 20px;
  font-weight: 600;
  color: #fff;
}

.editable-title {
  flex: 1;
  font-size: 20px;
  font-weight: 600;
  color: #fff;
  outline: none;
  border: none;
  background: transparent;
  padding: 4px 8px;
  border-radius: 4px;
  transition: background-color 0.2s ease;
}

.editable-title:focus {
  background-color: #0f3460;
}

.close-btn {
  background: transparent;
  border: none;
  color: #a8b2d1;
  font-size: 28px;
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.close-btn:hover {
  background-color: #0f3460;
  color: #fff;
}

.modal-body {
  padding: 20px;
}

.card-id-container {
  margin-bottom: 16px;
}

.card-id-input {
  width: 100%;
  background-color: #0f3460;
  color: #7b8db8;
  border: 1px solid #0f3460;
  border-radius: 4px;
  padding: 6px 10px;
  font-size: 12px;
  font-family: monospace;
  outline: none;
  cursor: text;
  transition: border-color 0.2s ease;
}

.card-id-input:focus {
  border-color: #4a90e2;
  color: #a8b2d1;
}

.modal-body label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: #a8b2d1;
  margin-bottom: 8px;
}

.modal-body textarea {
  width: 100%;
  background-color: #0f3460;
  color: #fff;
  border: 1px solid #0f3460;
  border-radius: 4px;
  padding: 12px;
  font-size: 14px;
  font-family: inherit;
  resize: vertical;
  outline: none;
  transition: border-color 0.2s ease;
}

.modal-body textarea:focus {
  border-color: #4a90e2;
}

.text-input {
  width: 100%;
  background-color: #0f3460;
  color: #fff;
  border: 1px solid #0f3460;
  border-radius: 4px;
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s ease;
}

.text-input:focus {
  border-color: #4a90e2;
}

.modal-footer {
  display: flex;
  justify-content: space-between;
  padding: 20px;
  border-top: 1px solid #0f3460;
}

.modal-footer button {
  padding: 10px 20px;
  border: none;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.delete-btn {
  background-color: #e74c3c;
  color: #fff;
}

.delete-btn:hover {
  background-color: #c0392b;
}

.save-btn {
  background-color: #4a90e2;
  color: #fff;
}

.save-btn:hover {
  background-color: #357abd;
}

/* Columns editor (project settings modal) */

.columns-editor {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
}

.column-editor-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.column-editor-row input {
  background-color: #0f3460;
  color: #fff;
  border: 1px solid #0f3460;
  border-radius: 4px;
  padding: 8px;
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s ease;
}

.column-editor-row input:focus {
  border-color: #4a90e2;
}

.column-editor-row .col-key-input {
  width: 120px;
  font-family: monospace;
}

.column-editor-row .col-label-input {
  flex: 1;
}

.column-editor-row .remove-col-btn {
  background: transparent;
  border: none;
  color: #a8b2d1;
  font-size: 18px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.column-editor-row .remove-col-btn:hover {
  background-color: #e74c3c;
  color: #fff;
}

.column-editor-row .drag-handle {
  color: #a8b2d1;
  cursor: grab;
  padding: 4px;
  font-size: 14px;
  user-select: none;
}

.add-column-btn {
  background-color: transparent;
  color: #a8b2d1;
  border: 1px dashed #0f3460;
  border-radius: 4px;
  padding: 8px;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.2s ease;
  width: 100%;
}

.add-column-btn:hover {
  background-color: #0f3460;
  color: #fff;
  border-color: #4a90e2;
}

/* Substatus badge on cards */
.substatus-badge {
  display: inline-block;
  margin-top: 6px;
  padding: 2px 8px;
  background-color: #e67e22;
  color: #fff;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;
}

/* Tag badges on cards */
.tags-container {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 6px;
}

.tag-badge {
  display: inline-block;
  padding: 2px 8px;
  background-color: #2980b9;
  color: #fff;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 500;
}

/* Substatus editor in project modal */
.column-editor-wrapper {
  margin-bottom: 4px;
}

.column-editor-wrapper.dragging-column {
  opacity: 0.4;
}

.column-editor-wrapper.drag-over-column {
  border-top: 2px solid #4a90e2;
}

.substatus-editor {
  margin-left: 32px;
  padding: 6px 0 6px 12px;
  border-left: 2px solid #0f3460;
}

.substatus-row {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-bottom: 4px;
}

.substatus-row input {
  background-color: #0f3460;
  color: #fff;
  border: 1px solid #0f3460;
  border-radius: 4px;
  padding: 6px;
  font-size: 12px;
  outline: none;
  transition: border-color 0.2s ease;
}

.substatus-row input:focus {
  border-color: #4a90e2;
}

.substatus-row .sub-key-input {
  width: 100px;
  font-family: monospace;
}

.substatus-row .sub-label-input {
  flex: 1;
}

.substatus-row .remove-sub-btn {
  background: transparent;
  border: none;
  color: #a8b2d1;
  font-size: 16px;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.substatus-row .remove-sub-btn:hover {
  background-color: #e74c3c;
  color: #fff;
}

.substatus-toggle-btn {
  background: transparent;
  border: 1px solid #0f3460;
  color: #a8b2d1;
  font-size: 12px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: all 0.2s ease;
  min-width: 32px;
}

.substatus-toggle-btn:hover {
  background-color: #0f3460;
  color: #fff;
  border-color: #4a90e2;
}

.add-substatus-btn {
  background-color: transparent;
  color: #a8b2d1;
  border: 1px dashed #0f3460;
  border-radius: 4px;
  padding: 4px 8px;
  cursor: pointer;
  font-size: 12px;
  transition: all 0.2s ease;
  width: 100%;
  margin-top: 4px;
}

.add-substatus-btn:hover {
  background-color: #0f3460;
  color: #fff;
  border-color: #4a90e2;
}