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

:root {
  /* Light theme (default) */
  --bg-dark: #f5f5f5;
  --bg-card: #ffffff;
  --bg-hover: #f0f0f0;
  --bg-input: #fafafa;
  --border: #e0e0e0;
  --border-light: #eee;
  --text: #1a1a1a;
  --text-muted: #666;
  --text-dim: #999;
  --accent: #0d9488;
  --accent-dim: #5eead4;
  --done: #aaa;
  --danger: #dc2626;
  --today-glow: rgba(13, 148, 136, 0.08);
  --nest-line: #ddd;
  --selected-bg: rgba(13, 148, 136, 0.1);
  --highlight: #fef08a;
  
  --font-main: 'Outfit', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --radius: 6px;
  --radius-lg: 8px;
  
  --sidebar-width: 220px;
}

/* Dark theme */
[data-theme="dark"] {
  --bg-dark: #0d0d0d;
  --bg-card: #1a1a1a;
  --bg-hover: #252525;
  --bg-input: #0f0f0f;
  --border: #2a2a2a;
  --border-light: #333;
  --text: #e8e8e8;
  --text-muted: #888;
  --text-dim: #555;
  --accent: #4fd1c5;
  --accent-dim: #2d7a72;
  --done: #5a5a5a;
  --danger: #e53e3e;
  --today-glow: rgba(79, 209, 197, 0.1);
  --nest-line: #333;
  --selected-bg: rgba(79, 209, 197, 0.15);
  --highlight: #854d0e;
}

html, body {
  height: 100%;
  background: var(--bg-dark);
  color: var(--text);
  font-family: var(--font-main);
  font-size: 12px;
  line-height: 1.35;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}

/* === Password Overlay === */
.password-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-dark);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}

.password-overlay.hidden {
  display: none;
}

.password-modal {
  background: var(--bg-card);
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  text-align: center;
  width: 90%;
  max-width: 320px;
}

.password-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.password-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.password-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.password-input {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-main);
  font-size: 14px;
  text-align: center;
  outline: none;
  margin-bottom: 12px;
}

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

.password-btn {
  width: 100%;
  padding: 10px;
  background: var(--accent);
  border: none;
  border-radius: var(--radius);
  color: white;
  font-family: var(--font-main);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.15s;
}

[data-theme="dark"] .password-btn {
  color: var(--bg-dark);
}

.password-btn:hover {
  opacity: 0.9;
}

.password-error {
  color: var(--danger);
  font-size: 11px;
  margin-top: 12px;
  min-height: 16px;
}

/* === App Layout === */
.app {
  display: flex;
  height: calc(100vh - 28px);
  overflow: hidden;
}

/* === Theme Toggle === */
.theme-toggle {
  position: fixed;
  top: 8px;
  right: 12px;
  z-index: 1000;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

.theme-toggle:hover {
  background: var(--bg-hover);
  color: var(--accent);
  border-color: var(--accent);
}

/* === Mobile Menu Toggle === */
.mobile-menu-toggle {
  display: none;
  position: fixed;
  top: 8px;
  left: 12px;
  z-index: 1001;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 16px;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

/* === Quick Add Bar === */
.quick-add-bar {
  position: fixed;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  display: flex;
  gap: 6px;
  align-items: center;
}

.quick-add-input {
  width: 200px;
  padding: 6px 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-main);
  font-size: 11px;
  outline: none;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

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

.quick-add-input::placeholder {
  color: var(--text-dim);
}

/* === Search Bar === */
.search-container {
  position: relative;
}

.search-input {
  width: 140px;
  padding: 6px 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-main);
  font-size: 11px;
  outline: none;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

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

.search-input::placeholder {
  color: var(--text-dim);
}

.search-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-height: 300px;
  overflow-y: auto;
  margin-top: 4px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  display: none;
}

.search-results.active {
  display: block;
}

.search-result-item {
  padding: 6px 10px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  font-size: 11px;
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-item:hover {
  background: var(--bg-hover);
}

.search-result-date {
  font-size: 9px;
  color: var(--text-dim);
  margin-bottom: 2px;
}

.search-result-text {
  color: var(--text);
}

.search-result-text mark {
  background: var(--highlight);
  color: var(--text);
  padding: 0 2px;
  border-radius: 2px;
}

/* === Sidebar === */
.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
  transition: transform 0.3s ease;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 999;
}

.logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

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

.logo-icon {
  font-size: 18px;
  color: var(--accent);
}

.logo-text {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.5px;
  color: var(--text);
}

.logo-subtitle {
  font-size: 9px;
  color: var(--text-dim);
  font-style: italic;
  letter-spacing: 0.5px;
  padding-left: 26px;
}

/* Calendar */
.calendar-container {
  background: var(--bg-input);
  border-radius: var(--radius-lg);
  padding: 10px;
  border: 1px solid var(--border);
}

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

.cal-month-year {
  font-weight: 600;
  font-size: 11px;
  color: var(--text);
}

.cal-nav {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 3px;
  transition: all 0.15s;
}

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

.calendar-grid {
  font-family: var(--font-mono);
  font-size: 10px;
}

.cal-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1px;
  margin-bottom: 4px;
}

.cal-weekdays span {
  text-align: center;
  color: var(--text-dim);
  font-weight: 500;
  padding: 2px 0;
}

.cal-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1px;
}

.cal-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.15s;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
}

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

.cal-day.other-month {
  color: var(--text-dim);
  opacity: 0.4;
}

.cal-day.has-data {
  color: var(--text);
}

.cal-day.has-data::after {
  content: '';
  position: absolute;
  bottom: 1px;
  width: 2px;
  height: 2px;
  background: var(--accent);
  border-radius: 50%;
}

.cal-day.selected {
  background: var(--accent);
  color: white;
}

[data-theme="dark"] .cal-day.selected {
  color: var(--bg-dark);
}

.cal-day.today {
  border: 1px solid var(--accent);
}

.cal-day.today.selected {
  border-color: transparent;
}

.today-btn {
  margin-top: 8px;
  width: 100%;
  padding: 5px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: var(--radius);
  cursor: pointer;
  font-family: var(--font-main);
  font-size: 10px;
  transition: all 0.15s;
}

.today-btn:hover {
  background: var(--bg-hover);
  color: var(--accent);
  border-color: var(--accent-dim);
}

/* Copy Yesterday Button */
.copy-yesterday-btn {
  width: 100%;
  padding: 6px;
  background: var(--accent);
  border: none;
  color: white;
  border-radius: var(--radius);
  cursor: pointer;
  font-family: var(--font-main);
  font-size: 10px;
  font-weight: 500;
  transition: all 0.15s;
}

[data-theme="dark"] .copy-yesterday-btn {
  color: var(--bg-dark);
}

.copy-yesterday-btn:hover {
  opacity: 0.9;
}

/* Logout Button */
.logout-btn {
  width: 100%;
  padding: 6px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: var(--radius);
  cursor: pointer;
  font-family: var(--font-main);
  font-size: 10px;
  transition: all 0.15s;
}

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

/* Sidebar Stats */
.sidebar-stats {
  margin-top: auto;
  display: flex;
  gap: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-mono);
}

.stat-label {
  font-size: 9px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* === Main Content === */
.main-content {
  flex: 1;
  padding: 10px 14px;
  padding-top: 40px;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 0;
}

/* === Transfer Bar === */
.transfer-bar {
  position: fixed;
  top: 8px;
  right: 50px;
  z-index: 999;
  display: none;
  align-items: center;
  gap: 4px;
  background: var(--bg-card);
  padding: 4px 8px;
  border-radius: var(--radius);
  border: 1px solid var(--accent);
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.transfer-bar.active {
  display: flex;
}

.transfer-bar-label {
  font-size: 10px;
  color: var(--text-muted);
  margin-right: 4px;
}

.transfer-btn {
  padding: 3px 8px;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 3px;
  cursor: pointer;
  font-family: var(--font-main);
  font-size: 9px;
  transition: all 0.15s;
}

.transfer-btn:hover {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

[data-theme="dark"] .transfer-btn:hover {
  color: var(--bg-dark);
}

.transfer-btn.later-btn {
  background: var(--accent-dim);
}

.clear-selection-btn {
  padding: 3px 6px;
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 12px;
}

.clear-selection-btn:hover {
  color: var(--danger);
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.card-header {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  gap: 8px;
  flex-wrap: wrap;
}

.card-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
  flex-wrap: wrap;
}

.card-date {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.card-date::before {
  content: '◈';
  color: var(--accent);
  font-size: 12px;
}

/* Progress Bar */
.progress-container {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 80px;
}

.progress-bar {
  flex: 1;
  height: 6px;
  background: var(--bg-input);
  border-radius: 3px;
  overflow: hidden;
  border: 1px solid var(--border);
  min-width: 50px;
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  transition: width 0.3s ease;
  border-radius: 2px;
}

.progress-text {
  font-size: 9px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  min-width: 28px;
}

.card-metrics {
  display: flex;
  gap: 10px;
  font-size: 10px;
  color: var(--text-muted);
}

.card-metric {
  display: flex;
  align-items: center;
  gap: 3px;
}

.card-metric-num {
  font-weight: 600;
  color: var(--accent);
  font-family: var(--font-mono);
}

.card-metric-label {
  color: var(--text-dim);
}

.card-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.card-icon {
  color: var(--accent-dim);
  font-size: 10px;
}

.card-actions {
  display: flex;
  gap: 6px;
}

.btn-icon {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: var(--radius);
  cursor: pointer;
  font-family: var(--font-main);
  font-size: 12px;
  transition: all 0.15s;
}

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

.btn-icon.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

[data-theme="dark"] .btn-icon.active {
  color: var(--bg-dark);
}

.card-body {
  padding: 8px 12px;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}

.card-today {
  flex: 1;
  min-height: 200px;
  border-color: var(--accent);
  box-shadow: 0 0 20px var(--today-glow);
}

.card-today .card-body {
  min-height: 100px;
  max-height: none;
}

/* Tabs View for Today Card */
.card-body.tabs-view {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 10px;
}

.card-body.tabs-view .subsection {
  min-width: 240px;
  max-width: 280px;
  flex-shrink: 0;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px;
  margin-bottom: 0;
  max-height: 100%;
  overflow-y: auto;
}

.card-body.tabs-view .subsection-header {
  position: sticky;
  top: 0;
  background: var(--bg-input);
  padding-bottom: 6px;
  margin-bottom: 6px;
}

/* Bottom Row */
.bottom-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  flex-shrink: 0;
  align-items: end;
}

.card-yesterday,
.card-later {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.card-yesterday .card-header,
.card-later .card-header {
  cursor: pointer;
}

.card-yesterday .card-body,
.card-later .card-body {
  overflow-y: auto;
  overflow-x: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  max-height: 200px;
}

/* Collapsed state - body hidden */
.card-yesterday.collapsed .card-body,
.card-later.collapsed .card-body {
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
}

/* Collapse toggle button */
.card-collapse-toggle {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 10px;
  padding: 4px 8px;
  border-radius: 3px;
  transition: all 0.15s;
  margin-left: auto;
}

.card-collapse-toggle:hover {
  color: var(--accent);
  background: var(--bg-hover);
}

.card-collapse-toggle .chevron {
  display: inline-block;
  transition: transform 0.35s ease;
}

/* Chevron points down when collapsed (click to expand up) */
.collapsed .card-collapse-toggle .chevron {
  transform: rotate(180deg);
}

.card-yesterday {
  opacity: 0.8;
}

.card-yesterday:hover,
.card-later:hover {
  opacity: 1;
}

/* === Task Styles === */
.subsection {
  margin-bottom: 10px;
}

.subsection:last-child {
  margin-bottom: 0;
}

.subsection.drag-over {
  background: var(--selected-bg);
  border-radius: var(--radius);
}

.subsection-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--border);
}

.subsection-name {
  font-weight: 600;
  font-size: 11px;
  color: var(--accent);
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-main);
  flex: 1;
  padding: 0;
}

.subsection-name::placeholder {
  color: var(--text-dim);
}

.subsection-delete {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 11px;
  padding: 1px 4px;
  border-radius: 3px;
  opacity: 0;
  transition: all 0.15s;
}

.subsection:hover .subsection-delete {
  opacity: 1;
}

.subsection-delete:hover {
  color: var(--danger);
  background: rgba(220, 38, 38, 0.1);
}

.task-list {
  list-style: none;
}

.task-item {
  display: flex;
  align-items: flex-start;
  gap: 5px;
  padding: 2px 0;
  padding-left: 10px;
  position: relative;
  min-height: 22px;
  border-radius: 3px;
  transition: background 0.15s;
}

.task-item.dragging {
  opacity: 0.5;
}

.task-item.selected {
  background: var(--selected-bg);
}

.task-item.highlighted {
  background: var(--highlight);
  animation: highlight-pulse 2s ease-out;
}

@keyframes highlight-pulse {
  0% { background: var(--highlight); }
  100% { background: transparent; }
}

.task-item.focused {
  outline: 1px solid var(--accent);
  outline-offset: 1px;
}

/* Selection indicator */
.task-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2px;
  bottom: 2px;
  width: 3px;
  background: transparent;
  border-radius: 2px;
  transition: background 0.15s;
}

.task-item.selected::before {
  background: var(--accent);
}

.task-checkbox {
  appearance: none;
  width: 14px;
  height: 14px;
  min-width: 14px;
  border: 1.5px solid var(--text-dim);
  border-radius: 3px;
  cursor: pointer;
  margin-top: 2px;
  transition: all 0.15s;
  position: relative;
}

.task-checkbox:hover {
  border-color: var(--accent);
}

.task-checkbox:checked {
  background: var(--accent);
  border-color: var(--accent);
}

.task-checkbox:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 9px;
  color: white;
  font-weight: bold;
}

[data-theme="dark"] .task-checkbox:checked::after {
  color: var(--bg-dark);
}

.task-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.task-text-wrapper {
  display: flex;
  align-items: center;
  gap: 4px;
}

.task-text {
  background: transparent;
  border: none;
  color: var(--text);
  font-family: var(--font-main);
  font-size: 12px;
  outline: none;
  flex: 1;
  min-width: 0;
  padding: 0;
  line-height: 1.5;
}

.task-text::placeholder {
  color: var(--text-dim);
}

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

.task-delete {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 2px;
  opacity: 0;
  transition: all 0.15s;
  flex-shrink: 0;
}

.task-item:hover > .task-content > .task-text-wrapper > .task-delete,
.task-item:hover > .task-delete {
  opacity: 1;
}

.task-delete:hover {
  color: var(--danger);
  background: rgba(220, 38, 38, 0.1);
}

/* Nested Tasks with vertical line */
.task-children {
  margin-left: 14px;
  margin-top: 1px;
  padding-left: 10px;
  border-left: 1px solid var(--nest-line);
}

/* Empty States */
.empty-state {
  color: var(--text-dim);
  font-size: 11px;
  padding: 12px;
  text-align: center;
  font-style: italic;
}

.add-task-hint {
  color: var(--text-dim);
  font-size: 10px;
  padding: 4px 0;
  padding-left: 10px;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.15s;
}

.add-task-hint:hover {
  opacity: 1;
  color: var(--accent);
}

/* === Shortcuts Bar === */
.shortcuts-bar {
  height: 28px;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 0 12px;
  font-size: 9px;
  color: var(--text-dim);
  flex-shrink: 0;
}

.shortcuts-bar span {
  display: flex;
  align-items: center;
  gap: 4px;
}

kbd {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 1px 4px;
  font-family: var(--font-mono);
  font-size: 8px;
  color: var(--text-muted);
}

/* === Scrollbar === */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 2px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-dim);
}

/* ========================================
   RESPONSIVE - MOBILE STYLES
   ======================================== */

@media (max-width: 768px) {
  :root {
    --sidebar-width: 260px;
  }
  
  html, body {
    font-size: 14px;
  }
  
  .app {
    height: 100vh;
    height: 100dvh;
  }
  
  /* Mobile menu toggle visible */
  .mobile-menu-toggle {
    display: flex;
  }
  
  /* Sidebar - off canvas */
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 1000;
    transform: translateX(-100%);
    box-shadow: 4px 0 20px rgba(0,0,0,0.2);
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .sidebar-overlay.active {
    display: block;
  }
  
  /* Quick add bar - full width */
  .quick-add-bar {
    top: auto;
    bottom: 8px;
    left: 10px;
    right: 10px;
    transform: none;
    flex-direction: row;
    gap: 8px;
  }
  
  .quick-add-input {
    flex: 1;
    width: auto;
    padding: 10px 14px;
    font-size: 14px;
  }
  
  .search-input {
    width: 100px;
    padding: 10px 12px;
    font-size: 14px;
  }
  
  /* Theme toggle */
  .theme-toggle {
    top: 10px;
    right: 10px;
    width: 36px;
    height: 36px;
    font-size: 16px;
  }
  
  /* Transfer bar */
  .transfer-bar {
    top: auto;
    bottom: 60px;
    left: 10px;
    right: 10px;
    justify-content: center;
  }
  
  /* Main content */
  .main-content {
    padding: 50px 10px 70px 10px;
  }
  
  /* Cards */
  .card-header {
    padding: 10px;
  }
  
  .card-date {
    font-size: 16px;
  }
  
  .card-body {
    padding: 10px;
  }
  
  .progress-container {
    display: none;
  }
  
  /* Bottom row - stack */
  .bottom-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .card-yesterday .card-body,
  .card-later .card-body {
    max-height: 140px;
  }
  
  /* Tasks - larger touch targets */
  .task-item {
    padding: 4px 0;
    padding-left: 12px;
    min-height: 32px;
  }
  
  .task-checkbox {
    width: 18px;
    height: 18px;
    min-width: 18px;
    margin-top: 4px;
  }
  
  .task-checkbox:checked::after {
    font-size: 11px;
  }
  
  .task-text {
    font-size: 14px;
    padding: 4px 0;
  }
  
  .task-delete {
    opacity: 1;
    font-size: 14px;
    padding: 4px 8px;
  }
  
  .subsection-name {
    font-size: 13px;
  }
  
  .subsection-delete {
    opacity: 1;
  }
  
  .add-task-hint {
    font-size: 13px;
    padding: 8px 0;
    padding-left: 12px;
  }
  
  /* Hide shortcuts on mobile */
  .shortcuts-bar {
    display: none;
  }
  
  /* Tabs view - full width cards */
  .card-body.tabs-view .subsection {
    min-width: 85vw;
    max-width: 90vw;
  }
  
  /* Password modal */
  .password-modal {
    padding: 24px;
  }
  
  .password-input {
    font-size: 16px;
    padding: 12px;
  }
  
  .password-btn {
    padding: 12px;
    font-size: 15px;
  }
}

/* Extra small screens */
@media (max-width: 400px) {
  .card-metrics {
    display: none;
  }
  
  .card-header-left {
    gap: 8px;
  }
  
  .search-input {
    width: 80px;
  }
}