/* ===== CSS Variables / Theming ===== */
:root {
  --bg-primary: #f5f6fa;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-sidebar: #ffffff;
  --bg-modal: #ffffff;
  --bg-input: #f0f1f5;
  --text-primary: #2d3436;
  --text-secondary: #636e72;
  --text-muted: #b2bec3;
  --border: #dfe6e9;
  --shadow: rgba(0,0,0,0.08);
  --shadow-lg: rgba(0,0,0,0.15);
  --accent: #3498db;
  --accent-hover: #2980b9;
  --danger: #e74c3c;
  --danger-hover: #c0392b;
  --success: #2ecc71;
  --warning: #f39c12;
  --priority-high: #e74c3c;
  --priority-medium: #f39c12;
  --priority-low: #95a5a6;
  --header-height: 56px;
  --fab-size: 56px;
  --sidebar-width: 280px;
  --radius: 12px;
  --radius-sm: 8px;
}

[data-theme="dark"] {
  --bg-primary: #1a1a2e;
  --bg-secondary: #16213e;
  --bg-card: #1e2a45;
  --bg-sidebar: #16213e;
  --bg-modal: #1e2a45;
  --bg-input: #253456;
  --text-primary: #ecf0f1;
  --text-secondary: #b2bec3;
  --text-muted: #636e72;
  --border: #2c3e6b;
  --shadow: rgba(0,0,0,0.3);
  --shadow-lg: rgba(0,0,0,0.5);
}

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

html {
  font-size: 16px;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background 0.3s, color 0.3s;
}

input, textarea, select, button {
  font-family: inherit;
  font-size: inherit;
}

.hidden { display: none !important; }

/* ===== Header ===== */
#app-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 8px;
  z-index: 100;
  gap: 4px;
}

#header-title {
  flex: 1;
  font-size: 1.15rem;
  font-weight: 700;
  margin-left: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-actions {
  display: flex;
  gap: 2px;
}

/* ===== Icon Buttons ===== */
.icon-btn {
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.icon-btn:hover, .icon-btn:active {
  background: var(--bg-input);
}

.icon-btn.small { padding: 4px; }

/* ===== Search Bar ===== */
#search-bar {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--bg-secondary);
  padding: 8px 12px;
  display: flex;
  gap: 8px;
  align-items: center;
  border-bottom: 1px solid var(--border);
  z-index: 99;
}

#search-input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  color: var(--text-primary);
  outline: none;
}

#search-input:focus {
  border-color: var(--accent);
}

/* ===== Sidebar ===== */
#sidebar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 200;
}

.sidebar-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.4);
  animation: fadeIn 0.2s;
}

.sidebar-content {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  max-width: 85vw;
  background: var(--bg-sidebar);
  padding: 20px 0;
  overflow-y: auto;
  animation: slideIn 0.25s ease-out;
  box-shadow: 4px 0 20px var(--shadow-lg);
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideIn { from { transform: translateX(-100%); } to { transform: translateX(0); } }

.sidebar-section {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.sidebar-section h3 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.sidebar-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.sidebar-section-header h3 { margin-bottom: 0; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 12px;
  border: none;
  background: none;
  color: var(--text-primary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  text-align: left;
  transition: background 0.15s;
}

.nav-item:hover, .nav-item:active { background: var(--bg-input); }
.nav-item.active { background: var(--accent); color: #fff; }

.project-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 12px;
  border: none;
  background: none;
  color: var(--text-primary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  text-align: left;
  transition: background 0.15s;
}

.project-nav-item:hover { background: var(--bg-input); }
.project-nav-item.active { background: var(--bg-input); font-weight: 600; }

.project-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.project-nav-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.project-nav-edit {
  opacity: 0;
  transition: opacity 0.15s;
}

.project-nav-item:hover .project-nav-edit { opacity: 1; }

/* ===== Toggle items ===== */
.toggle-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  cursor: pointer;
  font-size: 0.95rem;
  color: var(--text-primary);
  border-radius: var(--radius-sm);
}

.toggle-item:hover { background: var(--bg-input); }

.toggle-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

/* ===== Quick Add ===== */
.quick-add {
  display: flex;
  gap: 8px;
  align-items: center;
  max-width: 800px;
  margin: 0 auto 12px;
}

.quick-add input {
  flex: 1;
  padding: 12px 16px;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}

.quick-add input:focus {
  border-color: var(--accent);
  border-style: solid;
}

.quick-add .icon-btn {
  color: var(--accent);
}

/* ===== Setup Screen ===== */
#setup-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}
#setup-screen.hidden { display: none; }
.setup-box {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 32px;
  max-width: 380px;
  width: 90%;
  text-align: center;
  box-shadow: 0 4px 24px rgba(0,0,0,0.1);
}
.setup-box svg { color: var(--accent); margin-bottom: 12px; }
.setup-box h2 { margin: 0 0 8px; font-size: 1.3rem; color: var(--text-primary); }
.setup-desc { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 20px; }
.setup-box .form-group { text-align: left; margin-bottom: 12px; }
.setup-box label { font-size: 0.8rem; font-weight: 600; color: var(--text-secondary); display: block; margin-bottom: 4px; }
.setup-box input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: 0.9rem;
  box-sizing: border-box;
}
.setup-box .btn { width: 100%; margin-top: 8px; padding: 10px; }
#setup-error { color: var(--danger); font-size: 0.8rem; margin-top: 12px; }
#setup-loading { color: var(--accent); font-size: 0.8rem; margin-top: 12px; }

/* ===== Main Content ===== */
#main-content {
  padding-top: var(--header-height);
  padding-bottom: calc(var(--fab-size) + 32px);
  min-height: 100vh;
}

.view { display: none; padding: 8px 12px; }
.view.active { display: block; }

/* ===== Project Groups (Inbox) ===== */
.task-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 800px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  #task-list {
    flex-direction: row;
    align-items: flex-start;
    gap: 16px;
    max-width: none;
    overflow-x: auto;
    padding-bottom: 12px;
  }
}

.project-group {
  margin-bottom: 20px;
  flex-shrink: 0;
}

@media (min-width: 768px) {
  #task-list .project-group {
    width: 320px;
    margin-bottom: 0;
  }
}

.project-group-header {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 6px 4px;
  margin-bottom: 4px;
  border-bottom: 2px solid var(--border);
  position: relative;
}

.project-header-top {
  display: flex;
  align-items: center;
  gap: 6px;
}

.project-header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  padding-left: 2px;
}

.project-header-actions .btn-group-add {
  margin-left: auto;
}

.project-group-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.project-group-name {
  font-weight: 700;
  font-size: 0.95rem;
  flex: 1;
  cursor: pointer;
}
.project-group-name:hover {
  text-decoration: underline;
}

.project-desc-popover {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 100;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  min-width: 200px;
  max-width: 300px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}
.project-desc-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  white-space: pre-wrap;
  word-break: break-word;
}
.project-desc-text em {
  color: var(--text-muted);
}
.project-desc-popover .btn-small {
  font-size: 0.75rem;
  padding: 3px 10px;
}

.project-group-count {
  font-size: 0.8rem;
  color: var(--text-muted);
  background: var(--bg-input);
  padding: 2px 8px;
  border-radius: 10px;
}

.project-group-tasks {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.project-group-empty {
  padding: 12px 4px;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-style: italic;
}

/* Follow-ups & by-requester views */
#followups-list,
#byrequester-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 8px 0;
}

.view-filters {
  display: flex;
  gap: 10px;
  padding: 8px 4px 12px;
  flex-wrap: wrap;
}

.view-filter-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
  transition: all 0.2s;
}
.view-filter-toggle input { display: none; }
.view-filter-toggle.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.followup-group-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 4px;
  margin-bottom: 6px;
  border-bottom: 2px solid #f39c12;
  color: #f39c12;
}

.followup-group-name {
  font-weight: 700;
  font-size: 0.95rem;
  flex: 1;
}

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

@media (min-width: 768px) {
  #followups-list,
  #byrequester-list {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: flex-start;
  }
  .followup-group {
    width: 320px;
  }
}

.header-filter-toggle {
  display: flex;
  align-items: center;
  gap: 3px;
  cursor: pointer;
  color: var(--text-muted);
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  transition: background 0.15s, color 0.15s;
  user-select: none;
}

.header-filter-toggle:hover {
  background: var(--bg-input);
  color: var(--text-secondary);
}

.header-filter-toggle input[type="checkbox"] {
  display: none;
}

.header-filter-toggle input:checked ~ svg {
  color: var(--accent);
}

.header-filter-toggle input:checked ~ .filter-badge {
  color: var(--accent);
}

.filter-badge {
  font-size: 0.7rem;
  font-weight: 600;
}

.header-filter-toggle.dimmed {
  opacity: 0.3;
  cursor: default;
}

.group-quick-add {
  margin-bottom: 8px;
}

.group-quick-input {
  width: 100%;
  padding: 10px 14px;
  border: 2px dashed var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}

.group-quick-input:focus {
  border-color: var(--accent);
  border-style: solid;
}

/* ===== Task Cards ===== */

.task-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 14px 16px;
  border-left: 4px solid var(--priority-medium);
  box-shadow: 0 2px 8px var(--shadow);
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  position: relative;
  user-select: none;
}

.task-card:active {
  transform: scale(0.98);
}

.task-card.priority-high { border-left-color: var(--priority-high); }
.task-card.priority-medium { border-left-color: var(--priority-medium); }
.task-card.priority-low { border-left-color: var(--priority-low); }

.task-card.completed {
  opacity: 0.5;
}

.task-card.completed .task-card-name {
  text-decoration: line-through;
}

.task-card.postponed {
  opacity: 0.6;
  border-style: dashed;
}

.task-card.dragging {
  opacity: 0.5;
  transform: scale(1.02);
  box-shadow: 0 8px 25px var(--shadow-lg);
}

.project-drag-handle {
  cursor: grab;
  opacity: 0.4;
  font-size: 1rem;
  user-select: none;
  padding: 0 2px;
  transition: opacity 0.2s;
}
.project-drag-handle:hover {
  opacity: 0.8;
}
.project-group.dragging {
  opacity: 0.5;
}
.project-group.drag-over-project {
  border-top: 3px solid var(--accent);
}

.task-card-header {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.task-check {
  width: 22px;
  height: 22px;
  border: 2px solid var(--border);
  border-radius: 50%;
  flex-shrink: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  margin-top: 1px;
  background: none;
  padding: 0;
}

.task-check:hover {
  border-color: var(--success);
  background: rgba(46,204,113,0.1);
}

.task-check.checked {
  border-color: var(--success);
  background: var(--success);
  color: #fff;
}

.task-card-body {
  flex: 1;
  min-width: 0;
}

.task-card-name {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 4px;
  word-break: break-word;
}

.task-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.task-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 8px;
  border-radius: 12px;
  background: var(--bg-input);
  font-size: 0.75rem;
  white-space: nowrap;
}

.task-badge.project {
  color: #fff;
  font-weight: 500;
}

.task-badge.card-requester {
  cursor: pointer;
}
.task-badge.card-requester:hover {
  outline: 1px dashed var(--accent);
  outline-offset: 1px;
}
.task-badge.card-requester.empty-requester {
  background: transparent;
  border: 1px dashed var(--border);
  color: var(--text-muted);
  font-size: 0.7rem;
}
.card-requester-input {
  border: none;
  background: transparent;
  font-size: 0.75rem;
  padding: 0;
  width: 90px;
  outline: none;
  color: var(--text-primary);
}

.task-badge.deadline { color: var(--text-secondary); }
.task-badge.deadline.soon { color: var(--warning); background: rgba(243,156,18,0.15); }
.task-badge.deadline.overdue { color: var(--danger); background: rgba(231,76,60,0.15); }

.task-badge.subtask-count {
  color: var(--text-secondary);
}

.task-badge.tag {
  background: var(--bg-input);
  color: var(--text-secondary);
}

.task-badge.postponed-badge {
  color: var(--accent);
  background: rgba(52,152,219,0.12);
}

.task-badge.followup-badge {
  color: #f39c12;
  background: rgba(243,156,18,0.12);
}

.task-card.follow-up {
  border-left: 3px solid #f39c12;
  opacity: 0.85;
}

.task-card-actions {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

.task-card-actions .icon-btn {
  padding: 4px;
  color: var(--text-muted);
}

.task-card-actions .icon-btn:hover {
  color: var(--text-primary);
}

/* Subtask progress bar */
.subtask-progress {
  margin-top: 8px;
  height: 4px;
  background: var(--bg-input);
  border-radius: 2px;
  overflow: hidden;
}

.subtask-progress-bar {
  height: 100%;
  background: var(--success);
  border-radius: 2px;
  transition: width 0.3s;
}

/* ===== Card Subtask Checklist ===== */
.card-subtask-checklist {
  margin-top: 8px;
  padding-top: 6px;
  border-top: 1px solid var(--border);
}

.card-checklist-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  font-size: 0.82rem;
}

.checklist-check {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-radius: 3px;
  flex-shrink: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  padding: 0;
  transition: all 0.15s;
}

.checklist-check:hover {
  border-color: var(--success);
}

.checklist-check.checked {
  border-color: var(--success);
  background: var(--success);
  color: #fff;
}

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

.card-subtask-add {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--border);
}

.card-subtask-input {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: 0.85rem;
  outline: none;
}

.card-subtask-input:focus {
  border-color: var(--accent);
}

/* ===== FAB ===== */
.fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: var(--fab-size);
  height: var(--fab-size);
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(52,152,219,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s, box-shadow 0.2s;
  z-index: 50;
}

.fab:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(52,152,219,0.5);
}

.fab:active {
  transform: scale(0.95);
}

/* ===== Modals ===== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

@media (min-width: 600px) {
  .modal { align-items: center; }
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  animation: fadeIn 0.2s;
}

.modal-content {
  position: relative;
  background: var(--bg-modal);
  border-radius: var(--radius) var(--radius) 0 0;
  padding: 20px;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp 0.25s ease-out;
}

@media (min-width: 600px) {
  .modal-content {
    border-radius: var(--radius);
    max-height: 85vh;
  }
}

.modal-small { max-width: 400px; }

@keyframes slideUp {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.modal-header h2 {
  font-size: 1.15rem;
  font-weight: 700;
}

/* ===== Forms ===== */
.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
}

.form-group textarea { resize: vertical; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.spacer { flex: 1; }

/* ===== Buttons ===== */
.btn {
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

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

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover { background: var(--accent-hover); }

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

.btn-secondary:hover { background: var(--border); }

.btn-danger {
  background: var(--danger);
  color: #fff;
}

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

/* ===== Color Picker ===== */
.color-picker {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.color-opt {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 3px solid transparent;
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s;
}

.color-opt:hover { transform: scale(1.15); }
.color-opt.selected { border-color: var(--text-primary); transform: scale(1.15); }

/* ===== Postpone Options ===== */
.postpone-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 8px;
  margin-bottom: 16px;
}

.postpone-quick {
  padding: 8px 12px;
  font-size: 0.85rem;
}

/* ===== Subtasks in Modal ===== */
#subtasks-section, #comments-section, #history-section {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.subtasks-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.subtask-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.subtask-item .task-check { width: 18px; height: 18px; }

.subtask-item-name {
  flex: 1;
  cursor: pointer;
}

.subtask-item-name.completed {
  text-decoration: line-through;
  color: var(--text-muted);
}

.subtask-quick-add {
  margin-top: 6px;
}

.subtask-quick-input {
  width: 100%;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
  font-size: 0.85rem;
}

/* ===== Comments ===== */
.comment-item {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

.comment-item-text {
  font-size: 0.9rem;
  word-break: break-word;
}

.comment-item-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.comment-input {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.comment-input input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  color: var(--text-primary);
  outline: none;
}

.comment-input input:focus { border-color: var(--accent); }

/* ===== History ===== */
.history-item {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 0.82rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}

.history-item-date {
  color: var(--text-muted);
  font-size: 0.75rem;
  white-space: nowrap;
}

/* ===== Calendar ===== */
.calendar-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 8px;
  max-width: 800px;
  margin: 0 auto;
}

.calendar-header h2 {
  font-size: 1.1rem;
  min-width: 180px;
  text-align: center;
  text-transform: capitalize;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  max-width: 800px;
  margin: 0 auto;
}

.cal-day-header {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 8px 0;
  text-transform: uppercase;
}

.cal-day {
  min-height: 60px;
  padding: 4px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.15s;
}

.cal-day:hover { background: var(--bg-input); }

.cal-day.empty {
  background: transparent;
  border-color: transparent;
  cursor: default;
}

.cal-day.today {
  border-color: var(--accent);
  background: rgba(52,152,219,0.08);
}

.cal-day-number {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 2px;
}

.cal-day.today .cal-day-number { color: var(--accent); }

.cal-task-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin: 1px;
}

.cal-task-name {
  font-size: 0.65rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 1px 3px;
  border-radius: 3px;
  margin-bottom: 1px;
}

/* ===== Sync ===== */
.sync-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.sync-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.sync-indicator.connected { background: #2ecc71; }
.sync-indicator.synced { background: #2ecc71; }
.sync-indicator.disconnected { background: #95a5a6; }
.sync-indicator.error { background: #e74c3c; }
.sync-indicator.syncing {
  background: #f39c12;
  animation: pulse 1s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.sync-test-result {
  margin-top: 10px;
  padding: 8px 12px;
  border-radius: var(--radius);
  font-size: 0.85rem;
}
.sync-test-result.success {
  background: rgba(46,204,113,0.15);
  color: #2ecc71;
}
.sync-test-result.error {
  background: rgba(231,76,60,0.15);
  color: #e74c3c;
}

/* ===== Toast ===== */
#toast-container {
  position: fixed;
  bottom: 90px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 400;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: var(--bg-card);
  color: var(--text-primary);
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 16px var(--shadow-lg);
  font-size: 0.9rem;
  animation: toastIn 0.3s ease-out;
  white-space: nowrap;
}

.toast.out {
  animation: toastOut 0.3s ease-in forwards;
}

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

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

/* ===== Empty State ===== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state svg {
  margin-bottom: 16px;
  opacity: 0.4;
}

.empty-state p {
  font-size: 1rem;
}

/* ===== Drag & Drop ===== */
.drag-over {
  border-top: 3px solid var(--accent);
}

/* ===== Responsive ===== */
@media (min-width: 600px) {
  .view { padding: 20px; }

  .task-card {
    padding: 8px 12px;
  }

  .task-card:hover {
    box-shadow: 0 4px 16px var(--shadow);
  }

  .task-card-name {
    font-size: 0.85rem;
    margin-bottom: 2px;
  }

  .task-card-meta {
    gap: 4px;
    font-size: 0.72rem;
  }

  .task-card-header {
    gap: 6px;
  }

  .task-card-actions .icon-btn {
    padding: 2px;
  }

  .task-card-actions svg {
    width: 15px;
    height: 15px;
  }

  .task-check {
    width: 18px;
    height: 18px;
  }

  .project-group-tasks {
    gap: 3px;
  }

  .cal-day { min-height: 80px; padding: 6px; }
  .cal-task-name { font-size: 0.72rem; }
}

@media (min-width: 900px) {
  .view { padding: 24px 40px; }
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }