/* ── Reset & Base ───────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-primary:    #0f0f17;
  --bg-secondary:  #1a1a2e;
  --bg-card:       #22223a;
  --bg-card-hover: #2a2a48;
  --bg-column:     #16162a;
  --text-primary:  #e8e8f0;
  --text-secondary:#9494b8;
  --text-muted:    #6a6a8e;
  --border:        #2e2e50;
  --accent:        #5b6efc;
  --accent-glow:   rgba(91, 110, 252, 0.25);

  --priority-high:   #ff4757;
  --priority-medium: #ffa502;
  --priority-low:    #4a90d9;

  --tag-bg:        #2a2a48;
  --tag-text:      #b0b0d0;

  --waiting-bg:    rgba(255, 165, 2, 0.12);
  --waiting-border:#ffa502;

  --col-backlog:     #6c7a89;
  --col-next:        #5b6efc;
  --col-in-progress: #e67e22;
  --col-done:        #2ecc71;

  --radius:    10px;
  --radius-sm: 6px;
  --shadow:    0 2px 8px rgba(0,0,0,0.3);
}

html, body {
  min-height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  color-scheme: dark;
  overflow-x: hidden;
  overflow-y: auto;
}

/* Ensure emoji rendering on Linux */
.list-section-name, .column-icon {
  font-family: "Noto Color Emoji", "Segoe UI Emoji", "Apple Color Emoji", sans-serif;
}

/* ── Header ─────────────────────────────────────────────────────────────── */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.header-left { display: flex; align-items: center; gap: 14px; }
.header-left h1 { font-size: 1.25rem; font-weight: 600; letter-spacing: -0.02em; }
.folder-switcher {
  display: flex;
  gap: 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.folder-btn {
  font-size: 0.75rem;
  padding: 4px 12px;
  background: var(--tag-bg);
  color: var(--text-muted);
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
}
.folder-btn:hover { color: var(--text-primary); }
.folder-btn.active {
  background: var(--accent);
  color: #fff;
}

.view-switcher {
  display: flex;
  gap: 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  margin-left: 8px;
}
.view-btn {
  font-size: 0.75rem;
  padding: 4px 12px;
  background: var(--tag-bg);
  color: var(--text-muted);
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
}
.view-btn:hover { color: var(--text-primary); }
.view-btn.active {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.header-right {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: flex-end;
  max-width: min(520px, 48vw);
}

.header-search {
  flex: 1 1 140px;
  min-width: 100px;
  max-width: 220px;
  padding: 6px 10px;
  font-size: 0.78rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-primary);
}
.header-search::placeholder {
  color: var(--text-muted);
}
.header-search:focus {
  outline: none;
  border-color: var(--accent);
}

.header-inbox-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  color: var(--text-secondary);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}
.header-inbox-toggle input {
  accent-color: var(--accent);
  cursor: pointer;
}

.quick-add-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  background: var(--bg-column);
  border-bottom: 1px solid var(--border);
}
.quick-add-bar.hidden {
  display: none !important;
}
.quick-add-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  min-width: 1rem;
}
#quick-add-input {
  flex: 1;
  padding: 8px 12px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-primary);
}
.quick-add-close {
  flex-shrink: 0;
}

.task-ctx-menu {
  position: fixed;
  z-index: 999999;
  min-width: 160px;
  padding: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: min(320px, 85vh);
  overflow-x: hidden;
  overflow-y: auto;
  box-sizing: border-box;
}
.task-ctx-menu.hidden {
  display: none !important;
}
.task-ctx-item {
  display: block;
  flex-shrink: 0;
  width: 100%;
  text-align: left;
  padding: 8px 10px;
  font-size: 0.78rem;
  color: var(--text-primary);
  background: transparent;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}
.task-ctx-item:hover {
  background: var(--bg-card-hover);
}

.btn-inbox-bulk {
  margin-left: auto;
  font-size: 0.68rem;
  padding: 4px 8px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
}
.btn-inbox-bulk:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.modal-sm {
  width: 380px;
}
.inbox-bulk-select {
  width: 100%;
  margin-top: 8px;
  padding: 8px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-primary);
}
.form-hint {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 8px;
}

.hidden { display: none !important; }

.cache-indicator {
  font-size: 0.65rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.btn-icon {
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  width: 36px;
  height: 36px;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: all 0.15s ease;
}
.btn-icon:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* ── Board ──────────────────────────────────────────────────────────────── */
/* One grid row with 1fr height so columns stay viewport-tall; .card-list scrolls inside. */
.board {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-template-rows: minmax(0, 1fr);
  gap: 16px;
  padding: 20px 24px;
  box-sizing: border-box;
  height: calc(100vh - 69px);
  min-height: 0;
  overflow: hidden;
}

/* During task drag: keep cursor stable (avoids ↔︎ / not-allowed flicker over gaps & chrome). */
body.kanban-task-dragging,
body.kanban-task-dragging * {
  cursor: grabbing !important;
}
#board.board.is-dragging-task .column-header,
#board.board.is-dragging-task .card-list,
#board.board.is-dragging-task .list-section-header,
#board.board.is-dragging-task .btn-add-section {
  cursor: grabbing !important;
}

/* ── List view ──────────────────────────────────────────────────────────── */
.list-view {
  padding: 14px 22px 28px;
  max-width: 860px;
  margin: 0 auto;
}

.list-view-block {
  margin-bottom: 20px;
}

.list-view-block-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}

.list-view-block-title {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: -0.01em;
}

.list-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 11px;
  margin-bottom: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: background 0.12s ease, border-color 0.12s ease;
}

.list-row:hover {
  background: var(--bg-card-hover);
  border-color: #3a3a5c;
}

.list-row-check {
  flex-shrink: 0;
  width: 17px;
  height: 17px;
  margin: 0;
  cursor: pointer;
  accent-color: var(--col-done);
}

.list-row-main {
  flex: 1;
  min-width: 0;
}

.list-row-title {
  font-size: 0.8rem;
  line-height: 1.35;
}

.list-row-sub {
  font-size: 0.64rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.list-row-status {
  flex-shrink: 0;
  font-size: 0.62rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.035em;
  color: var(--text-muted);
  padding: 3px 7px;
  border-radius: 6px;
  background: rgba(42, 42, 72, 0.65);
  border: 1px solid var(--border);
}

.list-row-wait {
  font-size: 0.62rem !important;
  padding: 2px 6px !important;
}

.list-row-due {
  font-size: 0.66rem;
  color: var(--text-muted);
  flex-shrink: 0;
}
.list-row-due.overdue {
  color: var(--priority-high);
}

.list-row-done .list-row-title {
  text-decoration: line-through;
  color: var(--text-muted);
}

.list-view-add {
  margin-top: 8px;
}

.column {
  background: var(--bg-column);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  max-height: 100%;
  overflow: hidden;
  transition: border-color 0.2s ease;
}
.column.drag-over {
  border-color: var(--accent);
  box-shadow: inset 0 0 20px var(--accent-glow);
}

.column-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 16px 10px;
  flex-shrink: 0;
}
.column-icon { font-size: 1.1rem; }
.column-title { font-size: 0.85rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }

.column-count {
  margin-left: auto;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--bg-card);
  padding: 2px 8px;
  border-radius: 10px;
  min-width: 22px;
  text-align: center;
}

[data-column="backlog"]     .column-header { border-bottom: 2px solid var(--col-backlog); }
[data-column="next"]        .column-header { border-bottom: 2px solid var(--col-next); }
[data-column="in-progress"] .column-header { border-bottom: 2px solid var(--col-in-progress); }
[data-column="done"]        .column-header { border-bottom: 2px solid var(--col-done); }

.card-list {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  padding: 8px 10px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card-list::-webkit-scrollbar { width: 5px; }
.card-list::-webkit-scrollbar-track { background: transparent; }
.card-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

/* ── Cards ──────────────────────────────────────────────────────────────── */
.task-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 8px 6px 10px;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
  transition: transform 0.12s ease, box-shadow 0.12s ease, opacity 0.15s ease;
  position: relative;
}
.task-card:hover {
  background: var(--bg-card-hover);
  box-shadow: var(--shadow);
}
.task-card:active { cursor: grabbing; }

.task-card.dragging {
  opacity: 0.4;
  transform: scale(0.97);
}

.task-card.waiting {
  background: var(--waiting-bg);
  border-color: var(--waiting-border);
}

.task-card.done-card .card-title {
  text-decoration: line-through;
  color: var(--text-muted);
}
.task-card.done-card {
  opacity: 0.92;
}

.task-card.due-overdue {
  border-color: rgba(255, 71, 87, 0.55);
  box-shadow: 0 0 0 1px rgba(255, 71, 87, 0.2);
}
.task-card.due-today {
  border-color: rgba(255, 165, 2, 0.55);
  box-shadow: 0 0 0 1px rgba(255, 165, 2, 0.18);
}
.task-card.due-soon {
  border-color: rgba(74, 144, 217, 0.45);
}

/* Priority bar */
.priority-bar {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}
.priority-high   .priority-bar { background: var(--priority-high); }
.priority-medium .priority-bar { background: var(--priority-medium); }
.priority-low    .priority-bar { background: var(--priority-low); }

/* ── List sections ─────────────────────────────────────────────────────── */
.list-section {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.list-section + .list-section {
  margin-top: 4px;
}

.list-section-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 4px 2px;
}

.list-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.list-section-name {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.list-section-count {
  margin-left: auto;
  font-size: 0.6rem;
  color: var(--text-muted);
}

.card-title {
  font-size: 0.78rem;
  font-weight: 400;
  line-height: 1.3;
  margin-bottom: 2px;
  padding-left: 4px;
}

.card-footer {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-left: 4px;
  flex-wrap: wrap;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
}

.tag-pill {
  font-size: 0.58rem;
  padding: 1px 5px;
  border-radius: 6px;
  background: var(--tag-bg);
  color: var(--tag-text);
  white-space: nowrap;
}

.tag-pill.tag-waiting {
  background: rgba(255, 165, 2, 0.2);
  color: var(--waiting-border);
  font-weight: 600;
}

.card-due {
  font-size: 0.58rem;
  color: var(--text-muted);
}
.card-due.overdue,
.card-due.due-overdue { color: var(--priority-high); }
.card-due.due-today { color: var(--priority-medium); font-weight: 600; }
.card-due.due-soon { color: var(--priority-low); }

.list-row-due.due-today { color: var(--priority-medium); font-weight: 600; }
.list-row-due.due-soon { color: var(--priority-low); }
.list-row-due.due-overdue { color: var(--priority-high); }

.card-checklist {
  font-size: 0.58rem;
  color: var(--text-muted);
}

/* ── Subtasks ──────────────────────────────────────────────────────────── */
.card-subtasks {
  padding-left: 4px;
  margin-top: 2px;
}

.subtask {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-size: 0.62rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.subtask-check {
  flex-shrink: 0;
  font-size: 0.55rem;
}

.subtask.subtask-done .subtask-title {
  text-decoration: line-through;
  opacity: 0.5;
}

/* ── Drop placeholder ───────────────────────────────────────────────────── */
.drop-placeholder {
  border: 2px dashed var(--accent);
  border-radius: var(--radius-sm);
  min-height: 72px;
  flex-shrink: 0;
  background: var(--accent-glow);
  transition: all 0.15s ease;
}

/* ── Toast ──────────────────────────────────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 1000;
}

.toast {
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: #fff;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
  animation: slideIn 0.25s ease-out;
}
.toast.success { background: #2ecc71; }
.toast.error   { background: #ff4757; }
.toast.info    { background: var(--accent); }

@keyframes slideIn {
  from { transform: translateX(40px); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}

/* ── Loading ────────────────────────────────────────────────────────────── */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 15, 23, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  transition: opacity 0.2s ease;
}
/* display:none comes from global .hidden; keep these for WebKit embeds that mishandle overlays */
.loading-overlay.hidden {
  opacity: 0 !important;
  pointer-events: none !important;
  visibility: hidden !important;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Add-task button (per section) ──────────────────────────────────────── */
.btn-add-section {
  background: none;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.65rem;
  padding: 3px 0;
  cursor: pointer;
  transition: all 0.15s ease;
  width: 100%;
  margin-top: 2px;
}
.btn-add-section:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

/* ── Modal ──────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1100;
  animation: fadeIn 0.15s ease;
  pointer-events: auto;
}
.modal-overlay.hidden {
  display: none !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 480px;
  max-width: 92vw;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.6);
  animation: slideUp 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { transform: translateY(30px) scale(0.98); opacity: 0; } to { transform: translateY(0) scale(1); opacity: 1; } }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.modal-close {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  line-height: 1;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.modal-close:hover { 
  color: var(--text-primary);
  border-color: var(--text-secondary);
  background: var(--bg-card-hover);
}

.modal-body {
  padding: 24px;
}

#edit-task-form, #add-task-form {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group input[type="text"],
.form-group input[type="date"],
.form-group input[type="number"],
.form-group textarea,
.form-group select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 10px 12px;
  font-size: 0.88rem;
  font-family: inherit;
  outline: none;
  transition: all 0.2s;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.1);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
  background: var(--bg-card-hover);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group input#edit-task-title,
.form-group input#task-title {
  font-size: 1.05rem;
  font-weight: 500;
  padding: 12px 14px;
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
  line-height: 1.5;
}

.recurring-options {
  display: none;
  margin-top: 8px;
  padding: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.recurring-options.visible {
  display: flex;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.btn-primary, .btn-secondary {
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border);
  transition: all 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 4px 12px var(--accent-glow);
}
.btn-primary:hover { 
  filter: brightness(1.1);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px var(--accent-glow);
}
.btn-primary:active {
  transform: translateY(0);
}

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

.checkbox-group {
  display: flex;
  gap: 24px;
  margin-top: 4px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-primary);
  user-select: none;
}
.checkbox-label input[type="checkbox"] {
  accent-color: var(--accent);
  width: 18px;
  height: 18px;
  cursor: pointer;
}

/* ── Calendar / work-week planner ───────────────────────────────────────── */
.calendar-view {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 69px);
  min-height: 0;
  overflow: hidden;
}

.calendar-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
  flex-shrink: 0;
}

.calendar-toolbar-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.cal-nav-btn {
  font-size: 1.25rem;
  line-height: 1;
  padding: 4px 10px;
}

.cal-today-btn {
  padding: 6px 14px;
  font-size: 0.8rem;
}

.cal-week-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.cal-google-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  max-width: 280px;
  text-align: right;
}

.cal-google-hint.is-ready {
  color: var(--col-done);
}

.calendar-layout {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.calendar-grid-wrap {
  flex: 1;
  min-width: 0;
  overflow: auto;
  padding: 12px 16px;
}

.calendar-grid {
  display: grid;
  grid-template-columns: 52px repeat(5, minmax(88px, 1fr));
  gap: 0;
  min-width: 520px;
}

.cal-corner {
  position: sticky;
  top: 0;
  left: 0;
  z-index: 3;
  background: var(--bg-primary);
}

.cal-day-head {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 8px 6px;
  text-align: center;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  border-left: 1px solid var(--border);
}

.cal-day-head.is-today {
  color: var(--accent);
  box-shadow: inset 0 -2px 0 var(--accent);
}

.cal-day-head .cal-day-date {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  margin-top: 2px;
}

.cal-time-label {
  position: sticky;
  left: 0;
  z-index: 1;
  padding: 0 8px 0 0;
  font-size: 0.68rem;
  color: var(--text-muted);
  text-align: right;
  line-height: 1;
  align-self: start;
  padding-top: 2px;
  background: var(--bg-primary);
}

.calendar-slot {
  min-height: 28px;
  border-left: 1px solid var(--border);
  border-bottom: 1px solid rgba(46, 46, 80, 0.6);
  background: var(--bg-column);
  position: relative;
  transition: background 0.12s ease;
}

.calendar-slot:nth-child(6n+2) {
  border-top: 1px solid var(--border);
}

.calendar-slot:hover {
  background: var(--bg-card);
}

.calendar-slot.drag-over {
  background: rgba(91, 110, 252, 0.18);
  outline: 1px dashed var(--accent);
  outline-offset: -1px;
}

.schedule-block {
  position: absolute;
  inset: 1px 2px;
  z-index: 1;
  border-radius: 4px;
  padding: 2px 4px 2px 6px;
  font-size: 0.68rem;
  line-height: 1.2;
  background: rgba(91, 110, 252, 0.35);
  border-left: 3px solid var(--accent);
  color: var(--text-primary);
  overflow: hidden;
  cursor: grab;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 4px;
}

.schedule-block.dragging {
  opacity: 0.55;
  cursor: grabbing;
}

.schedule-block-title {
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.schedule-block-remove {
  flex-shrink: 0;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.85rem;
  line-height: 1;
  padding: 0 2px;
}
.schedule-block-remove:hover {
  color: var(--priority-high);
}

.external-event-block {
  position: absolute;
  inset: 1px 2px;
  z-index: 0;
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 0.65rem;
  background: rgba(46, 204, 113, 0.15);
  border-left: 3px solid var(--col-done);
  color: var(--text-secondary);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  pointer-events: none;
}

.external-event-block.span-2 {
  /* taller slots filled via grid row span in JS */
}

.calendar-sidebar {
  width: 280px;
  flex-shrink: 0;
  border-left: 1px solid var(--border);
  background: var(--bg-secondary);
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.calendar-sidebar-hint {
  font-size: 0.72rem;
  color: var(--text-muted);
  padding: 12px 14px 8px;
  line-height: 1.35;
  flex-shrink: 0;
}

.calendar-task-pool {
  flex: 1;
  overflow-y: auto;
  padding: 0 12px 16px;
}

.calendar-pool-section {
  margin-bottom: 16px;
}

.calendar-pool-heading {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.calendar-pool-heading.next { color: var(--col-next); }
.calendar-pool-heading.doing { color: var(--col-in-progress); }
.calendar-pool-heading.today { color: var(--priority-high); }

.calendar-pool-card {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  margin-bottom: 6px;
  cursor: grab;
  border: 1px solid var(--border);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.calendar-pool-card:hover {
  border-color: var(--accent);
  background: var(--bg-card-hover);
}

.calendar-pool-card.dragging {
  opacity: 0.5;
  cursor: grabbing;
}

.calendar-pool-card-title {
  font-size: 0.82rem;
  font-weight: 500;
  line-height: 1.25;
}

.calendar-pool-card-meta {
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.calendar-pool-card.has-blocks .calendar-pool-card-meta {
  color: var(--accent);
}

.calendar-pool-empty {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
  padding: 4px 0;
}

body.calendar-task-dragging {
  cursor: grabbing;
}

body.calendar-task-dragging .calendar-slot {
  cursor: copy;
}

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 1000px) {
  .board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: repeat(2, minmax(0, 1fr));
    height: calc(100vh - 69px);
    min-height: 0;
    overflow: hidden;
  }
  .column {
    min-height: 0;
    max-height: none;
  }
}

@media (max-width: 600px) {
  .board {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: repeat(4, minmax(0, 1fr));
    height: calc(100vh - 69px);
    min-height: 0;
    overflow: hidden;
  }
}

@media (max-width: 900px) {
  .calendar-layout {
    flex-direction: column;
  }
  .calendar-sidebar {
    width: 100%;
    max-height: 38vh;
    border-left: none;
    border-top: 1px solid var(--border);
  }
}