/* dot-js Kanban Showcase Stylesheet */
/* Aesthetic: Obsidian Kanban Plugin Minimalist Design */
/* Strict Rule: Zero icons, pure markdown typography, reactive space-making layout */

:root {
  --bg-app: #f6f7f9;
  --bg-lane: #ebecf0;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;

  --text-primary: #172b4d;
  --text-secondary: #44546f;
  --text-muted: #626f86;

  --border-lane: #dcdfe4;
  --border-card: #dcdfe4;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter", Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Monaco, "Cascadia Mono", monospace;
  --radius-sm: 4px;
  --radius-md: 6px;
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.08);
  --shadow-card-hover: 0 3px 6px rgba(0, 0, 0, 0.12);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-primary);
  line-height: 1.45;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header */
.app-header {
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-lane);
  padding: 10px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-logo {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  gap: 6px;
}

.nav-button {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  padding: 4px 10px;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all 0.1s ease;
}

.nav-button:hover {
  background-color: var(--bg-lane);
  color: var(--text-primary);
}

.nav-button.active {
  background-color: var(--bg-lane);
  color: var(--text-primary);
  font-weight: 600;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.1s ease;
  user-select: none;
}

.btn-primary {
  background-color: #172b4d;
  color: #ffffff;
}

.btn-primary:hover {
  background-color: #091e42;
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-secondary);
  border-color: var(--border-card);
}

.btn-secondary:hover {
  background-color: var(--bg-lane);
  color: var(--text-primary);
}

.btn-sm {
  padding: 4px 8px;
  font-size: 0.75rem;
}

/* Kanban Board Layout */
.board-container {
  flex: 1;
  padding: 20px 24px;
  overflow-x: auto;
}

.board-columns {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  min-height: calc(100vh - 120px);
}

/* Columns / Lanes (Obsidian Style) */
.column {
  background-color: var(--bg-lane);
  border: 1px solid var(--border-lane);
  border-radius: var(--radius-md);
  width: 300px;
  min-width: 300px;
  max-height: calc(100vh - 100px);
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.column.column-drag-active {
  border-color: #091e42;
  background-color: #e2e4e9;
}

.column.column-is-dragging {
  opacity: 0.4;
  border: 1px dashed #8590a2 !important;
}

.column.drop-column-before {
  border-left: 3px solid #172b4d !important;
  box-shadow: -4px 0 10px rgba(9, 30, 66, 0.2) !important;
}

.column.drop-column-after {
  border-right: 3px solid #172b4d !important;
  box-shadow: 4px 0 10px rgba(9, 30, 66, 0.2) !important;
}

.column-header {
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: grab;
  user-select: none;
}

.column-header:active {
  cursor: grabbing;
}

.column-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

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

.column-count {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
}

.column-menu-wrapper {
  position: relative;
  display: inline-block;
}

.btn-column-menu {
  background: transparent;
  border: none;
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px 5px;
  border-radius: var(--radius-sm);
  letter-spacing: 1px;
  transition: all 0.15s ease;
}

.column-header:hover .btn-column-menu,
.btn-column-menu.active {
  color: var(--text-primary);
}

.btn-column-menu:hover,
.btn-column-menu.active {
  background-color: rgba(9, 30, 66, 0.08);
}

.column-dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  min-width: 175px;
  background-color: #ffffff;
  border: 1px solid var(--border-lane);
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 14px rgba(9, 30, 66, 0.12), 0 0 1px rgba(9, 30, 66, 0.2);
  padding: 4px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.dropdown-item {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  padding: 6px 10px;
  font-size: 0.8125rem;
  font-family: inherit;
  color: var(--text-primary);
  border-radius: 3px;
  cursor: pointer;
  transition: background-color 0.1s ease, color 0.1s ease;
}

.dropdown-item:hover {
  background-color: #f1f2f4;
}

.dropdown-item-danger {
  color: #ae2e24;
}

.dropdown-item-danger:hover {
  background-color: #ffebe6;
  color: #bf2600;
}

.cards-list {
  padding: 0 10px 10px 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
  min-height: 40px;
}

.empty-lane-placeholder {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  padding: 20px 0;
  font-style: italic;
}

/* Reactive Space-Making Drop Placeholder */
.card-drop-placeholder {
  height: 52px;
  background-color: rgba(9, 30, 66, 0.06);
  border: 1px dashed #8590a2;
  border-radius: var(--radius-sm);
  margin: 2px 0;
  pointer-events: none;
  transition: all 0.15s ease;
}

/* Cards (Obsidian Style) */
.task-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  box-shadow: var(--shadow-card);
  cursor: grab;
  user-select: none;
  position: relative;
  transition: box-shadow 0.1s ease, border-color 0.1s ease, opacity 0.15s ease;
}

.task-card:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: #8590a2;
}

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

.task-card.card-dragging {
  opacity: 0.4;
  border: 1px dashed #8590a2 !important;
}

.task-card.drop-before {
  border-top: 3px solid #172b4d !important;
  box-shadow: 0 -3px 6px rgba(9, 30, 66, 0.15) !important;
}

.task-card.drop-after {
  border-bottom: 3px solid #172b4d !important;
  box-shadow: 0 3px 6px rgba(9, 30, 66, 0.15) !important;
}

/* Strikethrough & Greying Out When Done */
.task-card.card-completed {
  opacity: 0.55;
  background-color: #f7f8f9;
  border-color: #e2e4e9;
}

.card-inner-layout {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.btn-checkbox {
  width: 15px;
  height: 15px;
  min-width: 15px;
  background: transparent;
  border: 1.5px solid #8590a2;
  border-radius: 3px;
  cursor: pointer;
  margin-top: 2px;
  flex-shrink: 0;
  padding: 0;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.btn-checkbox:hover {
  border-color: #172b4d;
  background-color: rgba(9, 30, 66, 0.06);
}

.btn-checkbox.checked {
  background-color: #172b4d;
  border-color: #172b4d;
}

.btn-checkbox.checked::after {
  content: '';
  display: block;
  width: 3.5px;
  height: 7px;
  border: solid #ffffff;
  border-width: 0 1.75px 1.75px 0;
  transform: rotate(45deg);
  margin-bottom: 2px;
}

.card-markdown-body {
  flex: 1;
  font-size: 0.8125rem;
  color: var(--text-primary);
  word-break: break-word;
}

.card-markdown-body.scratch-done {
  text-decoration: line-through;
  color: #8590a2;
}

/* Markdown typography inside cards */
.md-header {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.md-line {
  margin-bottom: 3px;
  line-height: 1.4;
}

.md-blank-line {
  height: 6px;
}

.md-bold {
  font-weight: 700;
  color: #091e42;
}

.md-code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background-color: #f1f2f4;
  color: #c93b2b;
  padding: 1px 4px;
  border-radius: 3px;
}

.md-hashtag {
  color: #e63946;
  font-weight: 600;
  font-size: 0.75rem;
  margin-right: 4px;
}

.md-bullet-item {
  display: flex;
  gap: 6px;
  margin-left: 4px;
  margin-bottom: 2px;
}

.md-bullet {
  color: var(--text-muted);
}

.md-checklist-item {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 3px;
}

.md-checkbox {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 13px;
  height: 13px;
  min-width: 13px;
  border: 1.5px solid #8590a2;
  border-radius: 2px;
  margin-right: 6px;
  margin-top: 2px;
  position: relative;
  vertical-align: middle;
  background: transparent;
  flex-shrink: 0;
}

.md-checkbox.checked {
  background-color: #172b4d;
  border-color: #172b4d;
}

.md-checkbox.checked::after {
  content: '';
  display: block;
  width: 3px;
  height: 6px;
  border: solid #ffffff;
  border-width: 0 1.5px 1.5px 0;
  transform: rotate(45deg);
  margin-bottom: 1.5px;
}

.md-task-done {
  text-decoration: line-through;
  color: #8590a2;
}

/* Delete hover action */
.card-hover-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 4px;
}

.btn-inline-delete {
  background: transparent;
  border: none;
  font-size: 0.6875rem;
  color: #ae2e24;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.1s ease;
}

.task-card:hover .btn-inline-delete {
  opacity: 1;
}

.btn-inline-delete:hover {
  text-decoration: underline;
}

/* Column Footer & Inline Composer */
.column-footer {
  padding: 6px 10px 10px 10px;
}

.btn-add-card-minimal {
  width: 100%;
  padding: 6px 8px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  border-radius: var(--radius-sm);
  transition: all 0.1s ease;
}

.btn-add-card-minimal:hover {
  background-color: rgba(9, 30, 66, 0.08);
  color: var(--text-primary);
}

.inline-composer {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.composer-textarea, .inline-card-editor {
  width: 100%;
  border: 1px solid #8590a2;
  border-radius: var(--radius-sm);
  padding: 8px;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--text-primary);
  background-color: #ffffff;
  resize: vertical;
  outline: none;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.composer-textarea:focus, .inline-card-editor:focus {
  border-color: #172b4d;
}

.composer-actions, .inline-editor-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Benchmark Dedicated View */
.benchmark-container {
  max-width: 900px;
  margin: 32px auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.benchmark-header {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.benchmark-controls-bar {
  background-color: #ffffff;
  border: 1px solid var(--border-lane);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.benchmark-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.stat-card {
  background-color: #ffffff;
  border: 1px solid var(--border-lane);
  border-radius: var(--radius-md);
  padding: 18px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: #172b4d;
  margin-top: 4px;
  font-family: var(--font-mono);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.benchmark-idle-note {
  background-color: #ffffff;
  border: 1px dashed var(--border-lane);
  border-radius: var(--radius-md);
  padding: 32px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.benchmark-preview-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.benchmark-preview-list {
  background-color: #ffffff;
  border: 1px solid var(--border-lane);
  border-radius: var(--radius-md);
  max-height: 380px;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.benchmark-preview-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  background-color: #fafbfc;
  border: 1px solid #ebecf0;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
}

.preview-card-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  min-width: 14px;
  border: 1.5px solid #8590a2;
  border-radius: 2px;
  background: transparent;
  flex-shrink: 0;
  position: relative;
}

.preview-card-check.checked {
  background-color: #172b4d;
  border-color: #172b4d;
}

.preview-card-check.checked::after {
  content: '';
  display: block;
  width: 3px;
  height: 6.5px;
  border: solid #ffffff;
  border-width: 0 1.5px 1.5px 0;
  transform: rotate(45deg);
  margin-bottom: 1.5px;
}

.preview-card-title {
  flex: 1;
  color: var(--text-primary);
  font-weight: 500;
}

.preview-card-badge {
  font-size: 0.6875rem;
  padding: 2px 8px;
  background-color: #e2e4e9;
  border-radius: 12px;
  color: #172b4d;
  font-weight: 600;
}