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

:root {
  --color-bg: #f0f2f5;
  --color-surface: #ffffff;
  --color-border: #e1e5eb;
  --color-text: #111827;
  --color-text-muted: #6b7280;
  --color-primary: #3b82f6;
  --color-primary-hover: #2563eb;
  --color-primary-light: #eff6ff;
  --color-primary-subtle: rgba(59, 130, 246, 0.1);
  --color-danger: #ef4444;
  --color-danger-hover: #dc2626;
  --color-open: #94a3b8;
  --color-open-bg: #f1f5f9;
  --color-progress: #f59e0b;
  --color-progress-bg: #fffbeb;
  --color-done: #10b981;
  --color-done-bg: #ecfdf5;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.06), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.08), 0 4px 6px rgba(0,0,0,0.04);
  --transition-fast: 0.15s ease;
  --transition: 0.2s ease;
  --transition-slow: 0.3s ease;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  text-decoration: underline;
}

/* ===== Navbar ===== */
.navbar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 0 1.25rem;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text);
}

.nav-brand:hover {
  text-decoration: none;
}

.nav-logo {
  width: 24px;
  height: 28px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.nav-links a {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.375rem 0.5rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-links a:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
  text-decoration: none;
}

.nav-admin-link {
  margin-left: auto;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.nav-toggle:hover {
  background: var(--color-bg);
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform var(--transition-fast);
}

/* ===== Container ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem;
}

/* ===== Page Header ===== */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.page-header h1 {
  font-size: 1.625rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* ===== Filter Bar ===== */
.filter-bar {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
  background: var(--color-bg);
  padding: 0.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.filter-bar .btn {
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.375rem 0.75rem;
}

.filter-bar .btn-primary {
  box-shadow: var(--shadow-sm);
}

.filter-bar .btn-secondary {
  background: transparent;
}

.filter-bar .btn-secondary:hover {
  background: var(--color-surface);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

.btn:hover {
  background: var(--color-bg);
}

.btn:active {
  transform: scale(0.97);
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  box-shadow: 0 1px 2px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  box-shadow: 0 2px 4px rgba(59, 130, 246, 0.35);
}

.btn-secondary {
  background: var(--color-bg);
}

.btn-danger {
  color: var(--color-danger);
  border-color: transparent;
  background: transparent;
}

.btn-danger:hover {
  background: #fef2f2;
}

.btn-sm {
  padding: 0.25rem 0.6rem;
  font-size: 0.8rem;
}

.btn-icon {
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: var(--radius-full);
  font-size: 1rem;
  line-height: 1;
  border-color: transparent;
  background: transparent;
}

.btn-icon:hover {
  background: var(--color-bg);
}

.btn-link {
  background: none;
  border: none;
  color: var(--color-primary);
  padding: 0.25rem 0;
  font-size: 0.8rem;
}

.btn-link:hover {
  text-decoration: underline;
  background: none;
}

/* ===== People Grid ===== */
.people-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.person-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}

.person-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.person-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.person-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
}

.person-name:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.person-stats {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.stat {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.625rem;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.stat::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.stat-open {
  background: var(--color-open-bg);
  color: #475569;
}

.stat-open::before {
  background: var(--color-open);
}

.stat-progress {
  background: var(--color-progress-bg);
  color: #92400e;
}

.stat-progress::before {
  background: var(--color-progress);
}

.stat-done {
  background: var(--color-done-bg);
  color: #065f46;
}

.stat-done::before {
  background: var(--color-done);
}

.person-view-btn {
  width: 100%;
  text-align: center;
}

.person-card-actions {
  display: flex;
  gap: 0.5rem;
}

.person-card-actions .btn {
  flex: 1;
  text-align: center;
}

@media (hover: hover) {
  .person-view-btn {
    opacity: 0.7;
    transition: opacity var(--transition-fast);
  }
  .person-card:hover .person-view-btn {
    opacity: 1;
  }
}

/* ===== Kanban Board ===== */
.kanban {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  align-items: start;
}

.kanban-column {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.kanban-column-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.kanban-column-header h3 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.kanban-count {
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--color-border);
  color: var(--color-text-muted);
  min-width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.375rem;
}

.status-open-bg {
  border-left: 3px solid var(--color-open);
}

.status-progress-bg {
  border-left: 3px solid var(--color-progress);
}

.status-done-bg {
  border-left: 3px solid var(--color-done);
}

.kanban-cards {
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-height: 100px;
}

.empty-column {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  padding: 2rem 1rem;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-sm);
  margin: 0.25rem;
}

/* ===== Task Card ===== */
.task-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.875rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), border-color var(--transition);
}

.task-card:hover {
  box-shadow: var(--shadow);
  border-color: rgba(59, 130, 246, 0.2);
}

.task-header {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.task-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
}

.task-title {
  font-size: 0.9375rem;
  font-weight: 600;
  word-break: break-word;
}

.task-actions {
  display: flex;
  gap: 0.25rem;
  flex-shrink: 0;
}

@media (hover: hover) {
  .task-actions {
    opacity: 0;
    transition: opacity var(--transition-fast);
  }
  .task-card:hover .task-actions {
    opacity: 1;
  }
}

.task-description {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  word-break: break-word;
}

.task-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.task-category-tag {
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--color-primary-light);
  color: var(--color-primary-hover);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
}

.task-category-tag:hover {
  background: var(--color-primary-subtle);
  text-decoration: none;
}

/* ===== Assignee Badge ===== */
.assignee-badge {
  font-size: 0.75rem;
  font-weight: 600;
  background: #e0e7ff;
  color: #3730a3;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
}

/* ===== Status Select ===== */
.status-select {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.4rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  cursor: pointer;
  appearance: auto;
  transition: background-color var(--transition-fast);
}

.status-open {
  background: var(--color-open-bg);
  color: #475569;
}

.status-in_progress {
  background: var(--color-progress-bg);
  color: #92400e;
}

.status-done {
  background: var(--color-done-bg);
  color: #065f46;
}

/* ===== Priority Badge ===== */
.priority-badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  white-space: nowrap;
}

.priority-badge::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.priority-low {
  background: var(--color-open-bg);
  color: #475569;
}

.priority-low::before {
  background: var(--color-open);
}

.priority-medium {
  background: var(--color-progress-bg);
  color: #92400e;
}

.priority-medium::before {
  background: var(--color-progress);
}

.priority-high {
  background: #fef2f2;
  color: #991b1b;
}

.priority-high::before {
  background: var(--color-danger);
}

/* ===== Sub-tasks ===== */
.sub-task-list {
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--color-border);
}

.sub-task-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}

.sub-task-count {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  font-weight: 600;
  white-space: nowrap;
}

.sub-task-progress {
  flex: 1;
  height: 6px;
  background: var(--color-bg);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.sub-task-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-done), #34d399);
  border-radius: var(--radius-full);
  transition: width 0.4s ease;
}

.sub-task-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.2rem 0;
  gap: 0.5rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  font-size: 0.8rem;
  flex: 1;
  min-width: 0;
}

.checkbox-label input[type="checkbox"] {
  -webkit-appearance: none;
  appearance: none;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-border);
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.checkbox-label input[type="checkbox"]:checked {
  background: var(--color-done);
  border-color: var(--color-done);
}

.checkbox-label input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 1px;
  width: 6px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.checkbox-label span {
  word-break: break-word;
}

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

.add-checklist-btn {
  margin-top: 0.4rem;
}

/* ===== Checklist Builder (in modal) ===== */
.modal-wide {
  max-width: 520px;
}

.checklist-builder {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 0.5rem;
}

.checklist-builder-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.4rem 0.625rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.checklist-builder-text {
  font-size: 0.85rem;
  word-break: break-word;
  flex: 1;
  min-width: 0;
}

.checklist-add-row {
  display: flex;
  gap: 0.375rem;
}

.checklist-add-row input {
  flex: 1;
  padding: 0.5rem 0.75rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.checklist-add-row input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.checklist-add-row input::placeholder {
  color: #9ca3af;
}

/* ===== Page Header Actions ===== */
.page-header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* ===== Admin Table ===== */
.admin-table-wrapper {
  overflow-x: auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.admin-table thead {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.admin-table th {
  text-align: left;
  padding: 0.75rem 1rem;
  font-weight: 600;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.admin-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.admin-table tbody tr:last-child td {
  border-bottom: none;
}

.admin-table tbody tr:hover {
  background: var(--color-primary-light);
}

.admin-username {
  font-weight: 600;
}

.admin-date {
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  white-space: nowrap;
}

.admin-actions {
  display: flex;
  gap: 0.375rem;
  flex-wrap: wrap;
}

.inline-form {
  display: inline;
}

.admin-display-name-form {
  display: flex;
  gap: 0.25rem;
  align-items: center;
}

.input-sm {
  padding: 0.3rem 0.5rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  width: 140px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input-sm:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.badge-role {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-role-user {
  background: var(--color-open-bg);
  color: #475569;
}

.badge-role-admin {
  background: var(--color-primary-light);
  color: var(--color-primary-hover);
}

.badge-you {
  display: inline-block;
  padding: 0.1rem 0.35rem;
  border-radius: var(--radius-full);
  font-size: 0.65rem;
  font-weight: 600;
  background: var(--color-done-bg);
  color: #065f46;
  margin-left: 0.375rem;
  vertical-align: middle;
}

@media (max-width: 768px) {
  .admin-table th,
  .admin-table td {
    padding: 0.5rem 0.625rem;
  }

  .admin-actions {
    flex-direction: column;
    gap: 0.25rem;
  }
}

/* ===== Tasks List (All Tasks view) ===== */
.tasks-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* ===== Empty State ===== */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--color-text-muted);
}

.empty-state-icon {
  margin-bottom: 1rem;
  color: var(--color-text-muted);
  opacity: 0.5;
}

.empty-state p {
  font-size: 0.9375rem;
  max-width: 300px;
  margin: 0 auto;
}

/* ===== Modal ===== */
.modal-backdrop {
  visibility: hidden;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 200;
  opacity: 0;
  transition: opacity var(--transition), visibility 0s var(--transition);
}

.modal-backdrop.active {
  visibility: visible;
  opacity: 1;
  transition: opacity var(--transition), visibility 0s;
}

.modal {
  visibility: hidden;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 300;
  width: 90%;
  max-width: 440px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 1.5rem;
  opacity: 0;
  transition: transform var(--transition), opacity var(--transition), visibility 0s var(--transition);
}

.modal.active {
  visibility: visible;
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
  transition: transform var(--transition), opacity var(--transition), visibility 0s;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.modal-header h3 {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--color-text-muted);
  line-height: 1;
  padding: 0.375rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.modal-close:hover {
  color: var(--color-text);
  background: var(--color-bg);
}

.form-group {
  margin-bottom: 0.75rem;
}

.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 0.375rem;
  color: var(--color-text);
  letter-spacing: 0.01em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #9ca3af;
}

.form-select {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 1rem;
}

/* ===== Auth Pages ===== */
.auth-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f0f2f5 0%, #dbeafe 50%, #ede9fe 100%);
}

.auth-wrapper {
  width: 100%;
  max-width: 420px;
  padding: 1rem;
}

.auth-logo {
  text-align: center;
  margin-bottom: 1.5rem;
  color: var(--color-primary);
}

.auth-card {
  max-width: 400px;
  margin: 0 auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
}

.auth-card h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  text-align: center;
  letter-spacing: -0.02em;
}

.auth-link {
  text-align: center;
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.btn-block {
  width: 100%;
  margin-top: 0.5rem;
}

.alert {
  padding: 0.625rem 0.875rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  margin-bottom: 1rem;
  font-weight: 500;
}

.alert-error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.alert-success {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.nav-user {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
}

.badge-admin {
  font-size: 0.65rem;
  font-weight: 700;
  background: var(--color-primary);
  color: white;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  text-transform: uppercase;
  vertical-align: middle;
}

.nav-logout-form {
  display: inline;
}

/* ===== Mobile Responsive ===== */
@media (max-width: 768px) {
  .kanban {
    grid-template-columns: 1fr;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-header h1 {
    font-size: 1.375rem;
  }

  .people-grid {
    grid-template-columns: 1fr;
  }

  .container {
    padding: 0.75rem;
  }
}

@media (max-width: 640px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    flex-direction: column;
    padding: 0.75rem 1.25rem;
    gap: 0.25rem;
    z-index: 99;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
  }

  .nav-links a:hover {
    background: var(--color-primary-light);
  }

  .nav-user {
    padding: 0.5rem 0.75rem;
  }

  .nav-logout-form {
    display: block;
  }

  .nav-logout-form .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (min-width: 641px) {
  .nav-links {
    display: flex !important;
  }
}

@media (max-width: 480px) {
  .navbar {
    padding: 0 0.75rem;
  }

  .nav-brand {
    font-size: 1rem;
  }

  .filter-bar {
    width: 100%;
  }

  .filter-bar .btn {
    flex: 1;
    text-align: center;
  }
}

/* ===== Swimlanes ===== */
.swimlanes {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.swimlane {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.swimlane:hover {
  box-shadow: var(--shadow);
}

.swimlane-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  user-select: none;
  transition: background var(--transition-fast);
}

.swimlane-header:hover {
  background: #e8ebf0;
}

.swimlane-drag-handle {
  cursor: grab;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  letter-spacing: 2px;
  padding: 0.25rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.swimlane-drag-handle:hover {
  color: var(--color-text);
  background: var(--color-border);
}

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

.swimlane-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  flex: 1;
}

.swimlane-title:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.swimlane-count {
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--color-border);
  color: var(--color-text-muted);
  min-width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.375rem;
}

.swimlane-collapse-icon {
  font-size: 0.65rem;
  color: var(--color-text-muted);
  transition: transform var(--transition);
}

.swimlane.collapsed .swimlane-collapse-icon {
  transform: rotate(-90deg);
}

.swimlane.collapsed .swimlane-body {
  display: none;
}

.swimlane.collapsed .swimlane-header {
  border-bottom: none;
}

.swimlane-body {
  padding: 0.5rem;
}

.swimlane-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.swimlane-cards .task-card {
  width: 280px;
  flex-shrink: 0;
}

.swimlane-empty {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  padding: 1.5rem 1rem;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-sm);
  margin: 0.25rem;
}

/* Swimlane drag states */
.swimlane.dragging {
  opacity: 0.5;
}

.swimlane.drag-over-top {
  border-top: 2px solid var(--color-primary);
}

.swimlane.drag-over-bottom {
  border-bottom: 2px solid var(--color-primary);
}

/* Compact task cards in swimlanes */
.swimlane-cards .task-card {
  padding: 0.625rem;
}

.swimlane-cards .task-title {
  font-size: 0.85rem;
}

.swimlane-cards .task-description {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 0.75rem;
}

.swimlane-cards .task-meta {
  font-size: 0.7rem;
}

/* Category members list */
.category-members-list {
  margin-bottom: 1rem;
}

.category-member-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.4rem 0.625rem;
  border-bottom: 1px solid var(--color-border);
}

.category-member-row:last-child {
  border-bottom: none;
}

.category-member-name {
  font-size: 0.875rem;
  font-weight: 500;
}

@media (max-width: 768px) {
  .swimlane-cards {
    flex-direction: column;
  }

  .swimlane-cards .task-card {
    width: 100%;
  }
}

/* ===== CalDAV Styles ===== */

.caldav-server-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.caldav-server-card {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.caldav-server-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.caldav-server-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
  min-width: 0;
}

.caldav-server-name {
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-primary);
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.caldav-server-name:hover {
  text-decoration: underline;
}

.caldav-role-badge {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15em 0.5em;
  border-radius: var(--radius-full);
  background: var(--color-open-bg);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.caldav-role-owner {
  background: var(--color-primary-subtle);
  color: var(--color-primary);
}

.caldav-server-url {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 300px;
}

.caldav-server-actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* Time range picker */

.caldav-time-range {
  display: flex;
  align-items: flex-end;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding: 1rem 1.25rem;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
}

.caldav-time-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.caldav-time-field label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.caldav-time-field input[type="date"] {
  padding: 0.5rem 0.75rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  background: var(--color-surface);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.caldav-time-field input[type="date"]:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

/* Event list */

.caldav-event-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.caldav-event-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.875rem 1.25rem;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  transition: box-shadow var(--transition-fast);
}

.caldav-event-row:hover {
  box-shadow: var(--shadow-sm);
}

.caldav-event-ignored {
  opacity: 0.5;
}

.caldav-event-ignored .caldav-event-summary {
  text-decoration: line-through;
}

.caldav-event-info {
  flex: 1;
  min-width: 0;
}

.caldav-event-summary {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.caldav-event-details {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.caldav-event-time::before {
  content: '';
}

.caldav-event-location::before {
  content: '';
}

.caldav-event-calendar {
  padding: 0.1em 0.4em;
  background: var(--color-primary-subtle);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
}

.caldav-event-actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

.caldav-loading {
  text-align: center;
  padding: 3rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.caldav-spinner {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: caldav-spin 0.6s linear infinite;
}

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

.caldav-fetch-status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
}

/* Page header with back button */

.page-header-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.page-header-left h1 {
  margin: 0;
}

/* Form hint text */

.form-hint {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* Member management in modals */

.member-add-form {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--color-border);
}

.member-add-form input {
  flex: 1;
  padding: 0.5rem 0.75rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
}

.member-add-form select {
  flex: 1;
  padding: 0.5rem 0.75rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  background: var(--color-surface);
}

.member-add-form input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.members-list {
  padding: 0.75rem 1.25rem;
  max-height: 200px;
  overflow-y: auto;
}

@media (max-width: 768px) {
  .caldav-server-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .caldav-server-url {
    max-width: 100%;
  }

  .caldav-time-range {
    flex-direction: column;
    align-items: stretch;
  }

  .caldav-event-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .caldav-event-actions {
    width: 100%;
    justify-content: flex-end;
  }
}

/* CalDAV Ignore Patterns */

.caldav-ignore-patterns-section {
  margin-top: 2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.caldav-patterns-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
}

.caldav-patterns-header h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
}

.caldav-pattern-list {
  padding: 0.5rem 0;
}

.caldav-pattern-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
}

.caldav-pattern-row:last-child {
  border-bottom: none;
}

.caldav-pattern-text {
  font-size: 0.875rem;
  background: var(--color-bg);
  padding: 0.2em 0.5em;
  border-radius: var(--radius-sm);
  word-break: break-all;
}

.caldav-pattern-add-form {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--color-border);
}

.caldav-pattern-add-form input {
  flex: 1;
  padding: 0.5rem 0.75rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-family: monospace;
}

.caldav-pattern-add-form input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.caldav-ignore-patterns-section .empty-state {
  padding: 1.5rem;
}