/* ============================================================
   Personal Dashboard — Mobile-first styles
   Accent: #c2603c (terracotta / warm)
   ============================================================ */

@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url('/fonts/fraunces.woff2') format('woff2');
}

:root {
  --accent: #c2603c;
  --accent-light: #d6805f;
  --accent-dim: rgba(194, 96, 60, 0.13);
  --bg: #f6f1e9;
  --surface: #fffdf9;
  --surface-2: #f0e9dd;
  --border: #e6dccb;
  --text: #2c2722;
  --text-muted: #8a8073;
  --danger: #c0492f;
  --warning: #c98a2b;
  --success: #5e9469;
  --tab-height: 60px;
  --quick-add-height: 56px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(60,40,20,.05), 0 6px 20px rgba(60,40,20,.06);
  --shadow-sm: 0 1px 2px rgba(60,40,20,.06);
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  /* domain hues */
  --c-todo: #c2603c;
  --c-habit: #5e9469;
  --c-mindset: #97597e;
  --c-calendar: #cf9442;
}

html.dark {
  --bg: #1a1511;
  --surface: #241e18;
  --surface-2: #2e2720;
  --border: #3a3128;
  --text: #ece2d4;
  --text-muted: #a89c8a;
  --accent: #db8161;
  --accent-light: #e89a7d;
  --accent-dim: rgba(219, 129, 97, 0.16);
  --danger: #e0715a;
  --warning: #d9a44e;
  --success: #79b083;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 6px 20px rgba(0,0,0,.28);
  --shadow-sm: 0 1px 2px rgba(0,0,0,.3);
  --c-todo: #db8161;
  --c-habit: #79b083;
  --c-mindset: #c184aa;
  --c-calendar: #e0b35e;
}

@media (prefers-color-scheme: dark) {
  html:not(.light) {
    --bg: #1a1511;
    --surface: #241e18;
    --surface-2: #2e2720;
    --border: #3a3128;
    --text: #ece2d4;
    --text-muted: #a89c8a;
    --accent: #db8161;
    --accent-light: #e89a7d;
    --accent-dim: rgba(219, 129, 97, 0.16);
    --danger: #e0715a;
    --warning: #d9a44e;
    --success: #79b083;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 6px 20px rgba(0,0,0,.28);
    --shadow-sm: 0 1px 2px rgba(0,0,0,.3);
    --c-todo: #db8161;
    --c-habit: #79b083;
    --c-mindset: #c184aa;
    --c-calendar: #e0b35e;
  }
}

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

html, body {
  height: 100%;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

/* ============================================================
   Auth / Login
   ============================================================ */
.auth-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.auth-card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 40px 32px;
  width: 100%;
  max-width: 360px;
}

.auth-card h1 {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--accent);
}

.auth-card p {
  color: var(--text-muted);
  margin-bottom: 24px;
  font-size: 0.9rem;
}

/* ============================================================
   App shell
   ============================================================ */
#app {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  overflow: hidden;
}

.content-area {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  padding-bottom: calc(var(--quick-add-height) + var(--tab-height) + var(--safe-bottom) + 16px);
}

/* ============================================================
   Tab bar
   ============================================================ */
.tab-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: calc(var(--tab-height) + var(--safe-bottom));
  padding-bottom: var(--safe-bottom);
  background: var(--surface);
  border-top: 1px solid var(--border);
  display: flex;
  z-index: 100;
}

.tab-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-size: 0.66rem;
  font-weight: 500;
  white-space: nowrap;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  min-height: 44px;
  padding: 6px 2px;
  transition: color .15s;
  -webkit-tap-highlight-color: transparent;
  position: relative;
}

.tab-btn.active {
  color: var(--accent);
}

/* Accent pill at top of active tab */
.tab-btn.active::before {
  content: '';
  position: absolute;
  top: 0;
  width: 22px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: var(--accent);
}

.tab-btn svg {
  width: 22px;
  height: 22px;
}

/* ============================================================
   Quick-add bar + category selector
   ============================================================ */
.quick-add-wrap {
  position: fixed;
  bottom: calc(var(--tab-height) + var(--safe-bottom));
  left: 0;
  right: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  z-index: 99;
}

/* Collapsed by default; expanded when .quick-add-wrap.expanded */
.cat-selector {
  display: flex;
  gap: 6px;
  padding: 0 12px;
  max-height: 0;
  opacity: 0;
  padding-top: 0;
  overflow: hidden;
  transition: max-height .25s ease, opacity .2s, padding .25s;
}

.quick-add-wrap.expanded .cat-selector {
  max-height: 48px;
  opacity: 1;
  padding-top: 8px;
}

.cat-chip {
  flex: 1;
  height: 32px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: all .15s;
}

.cat-chip.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.quick-add-bar {
  height: var(--quick-add-height);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
}

/* Editable rows (tap to open the edit sheet) */
.row-edit {
  cursor: pointer;
}

/* Drag-to-reorder */
.drag-handle {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  color: var(--text-muted);
  cursor: grab;
  touch-action: none; /* let SortableJS own the gesture on touch */
}
.drag-handle:active {
  cursor: grabbing;
}
.sortable-ghost {
  opacity: 0.4;
}

.quick-add-bar input {
  flex: 1;
  height: 40px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 0 16px;
  font-size: 0.95rem;
  color: var(--text);
  outline: none;
  transition: border-color .2s;
}

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

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

.quick-add-bar button {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
  transition: background .15s;
}

.quick-add-bar button:active {
  background: var(--accent-light);
}

/* ============================================================
   Page header
   ============================================================ */
.page-header {
  padding: 20px 16px 8px;
}

.page-header h2 {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-size: 1.3rem;
  font-weight: 600;
}

/* ============================================================
   Cards
   ============================================================ */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  margin: 8px 12px;
  padding: 14px 16px;
}

.card-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}

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

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 4px;
}

input[type="text"],
input[type="password"],
input[type="date"],
input[type="time"],
input[type="email"],
select,
textarea {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.95rem;
  color: var(--text);
  outline: none;
  transition: border-color .2s;
  font-family: inherit;
}

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

textarea {
  resize: vertical;
  min-height: 80px;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 18px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: opacity .15s;
  -webkit-tap-highlight-color: transparent;
}

.btn:active { opacity: 0.8; }

.btn-primary { background: var(--accent); color: #fff; }
.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
}
.btn-danger { background: var(--danger); color: #fff; }
.btn-ghost {
  background: transparent;
  color: var(--text-muted);
}

.btn-sm { min-height: 36px; padding: 0 12px; font-size: 0.85rem; }
.btn-full { width: 100%; }

/* ============================================================
   Todo items
   ============================================================ */
.todo-list {
  list-style: none;
}

.todo-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  margin: 6px 12px;
  padding: 12px 14px;
  transition: opacity .2s, transform .1s;
}

.todo-item.done {
  opacity: 0.55;
}

.todo-item.slipping {
  border-left: 3px solid var(--danger);
}

.todo-check {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: none;
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 1px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .15s, border-color .15s;
  -webkit-tap-highlight-color: transparent;
  position: relative;
}

.todo-check.checked {
  background: var(--success);
  border-color: var(--success);
}

.todo-check.checked::after {
  content: '';
  display: block;
  width: 6px;
  height: 10px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg) translate(-1px,-1px);
}

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

.todo-title {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  word-break: break-word;
}

.todo-item.done .todo-title {
  text-decoration: line-through;
}

.todo-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.tag {
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 20px;
  background: var(--accent-dim);
  color: var(--accent);
  font-weight: 500;
}

.tag.deadline {
  background: var(--surface-2);
  color: var(--text-muted);
}

.tag.overdue {
  background: rgba(192,73,47,.15);
  color: var(--danger);
}

.tag.warn {
  background: rgba(201,138,43,.18);
  color: var(--warning);
  font-weight: 600;
}

.tag.priority-high { background: rgba(192,73,47,.12); color: var(--danger); }
.tag.priority-normal { background: rgba(201,138,43,.12); color: var(--warning); }
.tag.priority-low { background: var(--surface-2); color: var(--text-muted); }

.todo-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  -webkit-tap-highlight-color: transparent;
  transition: background .15s, color .15s;
}

.icon-btn:hover, .icon-btn:active { background: var(--surface-2); color: var(--text); }
.icon-btn.star { color: var(--warning); }
.icon-btn.starred svg { fill: var(--warning); }

/* ============================================================
   Habit items
   ============================================================ */
.habit-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  margin: 6px 12px;
  padding: 12px 14px;
  transition: transform .1s;
}

.habit-check {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  border: 2px solid var(--border);
  background: none;
  cursor: pointer;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .15s, border-color .15s;
  -webkit-tap-highlight-color: transparent;
  position: relative;
}

.habit-check.checked {
  background: var(--accent);
  border-color: var(--accent);
}

.habit-check.checked::after {
  content: '';
  display: block;
  width: 6px;
  height: 10px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg) translate(-1px,-1px);
}

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

.habit-name {
  font-size: 0.95rem;
  font-weight: 500;
}

.habit-streak {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-size: 0.8rem;
  color: var(--accent);
  margin-top: 2px;
}

.habit-actions {
  display: flex;
  gap: 4px;
}

/* ============================================================
   Remember card
   ============================================================ */
.remember-card {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  border-radius: var(--radius);
  margin: 8px 12px;
  padding: 20px 18px;
  color: #fff;
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 1.4;
  box-shadow: var(--shadow);
}

.remember-card .card-label {
  color: rgba(255,255,255,.75);
  margin-bottom: 8px;
}

/* ============================================================
   Calendar timeline
   ============================================================ */
.cal-event {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

.cal-event:last-child { border-bottom: none; }

.cal-event-time {
  font-size: 0.8rem;
  color: var(--text-muted);
  min-width: 48px;
  flex-shrink: 0;
  padding-top: 2px;
}

.cal-event-title {
  font-size: 0.9rem;
  font-weight: 500;
}

/* ============================================================
   Section headers
   ============================================================ */
.section-title {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 12px 16px 4px;
  display: flex;
  align-items: center;
  gap: 7px;
}

/* SVG section icons */
.section-icon {
  display: inline-flex;
}

.section-icon svg {
  width: 15px;
  height: 15px;
}

.c-todo    { color: var(--c-todo); }
.c-habit   { color: var(--c-habit); }
.c-mindset { color: var(--c-mindset); }
.c-calendar { color: var(--c-calendar); }

/* ============================================================
   Greeting / date header (Today view)
   ============================================================ */
.day-header {
  padding: 22px 16px 6px;
}

.day-greeting {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.1;
}

.day-date {
  font-size: .85rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ============================================================
   Filters bar
   ============================================================ */
.filter-bar {
  display: flex;
  gap: 8px;
  padding: 8px 12px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.filter-chip {
  flex-shrink: 0;
  padding: 6px 14px;
  border-radius: 20px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
  transition: all .15s;
}

.filter-chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ============================================================
   Tag filter bar (per-page tag chips)
   ============================================================ */
.tag-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 4px 12px 8px;
}

.tag-filter-bar:empty {
  display: none;
}

.tag-chip {
  flex-shrink: 0;
  height: 30px;
  padding: 0 12px;
  border-radius: 15px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
  transition: all .15s;
  line-height: 28px;
}

.tag-chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ============================================================
   Done count banner
   ============================================================ */
.done-banner {
  text-align: center;
  padding: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.done-banner span {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-weight: 600;
  color: var(--success);
}

/* ============================================================
   Modal / Sheet
   ============================================================ */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 200;
  display: flex;
  align-items: flex-end;
}

.modal-sheet {
  width: 100%;
  background: var(--surface);
  border-radius: var(--radius) var(--radius) 0 0;
  padding: 20px 16px calc(20px + var(--safe-bottom));
  max-height: 90dvh;
  overflow-y: auto;
  box-shadow: var(--shadow);
}

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

.modal-title {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-size: 1.1rem;
  font-weight: 600;
}

.modal-close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: var(--surface-2);
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============================================================
   Settings
   ============================================================ */
.settings-section {
  margin: 12px;
}

.settings-section h3 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
  padding-left: 4px;
}

.settings-card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  gap: 12px;
}

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

.settings-row-label {
  font-size: 0.95rem;
  font-weight: 500;
}

.settings-row-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Toggle switch */
.toggle {
  position: relative;
  width: 44px;
  height: 26px;
  flex-shrink: 0;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 13px;
  transition: background .2s;
  cursor: pointer;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  left: 3px;
  top: 3px;
  transition: transform .2s;
  box-shadow: 0 1px 3px rgba(0,0,0,.2);
}

.toggle input:checked + .toggle-slider {
  background: var(--accent);
}

.toggle input:checked + .toggle-slider::before {
  transform: translateX(18px);
}

/* ============================================================
   Weekday checkboxes
   ============================================================ */
.weekday-picker {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.weekday-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  background: var(--surface-2);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-muted);
  transition: all .15s;
  -webkit-tap-highlight-color: transparent;
}

.weekday-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ============================================================
   Chart container
   ============================================================ */
.chart-container {
  padding: 12px 0;
  height: 80px;
  position: relative;
}

/* ============================================================
   Empty state
   ============================================================ */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
}

.empty-state .emoji {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.empty-state p {
  font-size: 0.95rem;
}

/* ============================================================
   Loading spinner
   ============================================================ */
.spinner {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 32px;
}

.spinner::after {
  content: '';
  width: 28px;
  height: 28px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

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

/* ============================================================
   Toast notifications
   ============================================================ */
.toast-container {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: var(--text);
  color: var(--bg);
  padding: 10px 18px;
  border-radius: 24px;
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: var(--shadow);
  animation: toastIn .2s ease;
  pointer-events: auto;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   Micro-motion (GPU transforms, reduced-motion safe)
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {
  @keyframes rise {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: none; }
  }

  .todo-item,
  .habit-item,
  .card,
  .section-title,
  .remember-card,
  .day-header {
    animation: rise .4s ease both;
  }

  /* Staggered delays */
  .todo-item:nth-child(1),  .habit-item:nth-child(1),  .card:nth-child(1)  { animation-delay: .00s; }
  .todo-item:nth-child(2),  .habit-item:nth-child(2),  .card:nth-child(2)  { animation-delay: .03s; }
  .todo-item:nth-child(3),  .habit-item:nth-child(3),  .card:nth-child(3)  { animation-delay: .06s; }
  .todo-item:nth-child(4),  .habit-item:nth-child(4),  .card:nth-child(4)  { animation-delay: .09s; }
  .todo-item:nth-child(5),  .habit-item:nth-child(5),  .card:nth-child(5)  { animation-delay: .12s; }
  .todo-item:nth-child(6),  .habit-item:nth-child(6),  .card:nth-child(6)  { animation-delay: .15s; }
  .todo-item:nth-child(7),  .habit-item:nth-child(7),  .card:nth-child(7)  { animation-delay: .18s; }
  .todo-item:nth-child(8),  .habit-item:nth-child(8),  .card:nth-child(8)  { animation-delay: .21s; }
  .todo-item:nth-child(9),  .habit-item:nth-child(9),  .card:nth-child(9)  { animation-delay: .24s; }
  .todo-item:nth-child(10), .habit-item:nth-child(10), .card:nth-child(10) { animation-delay: .27s; }

  /* Checkmark pop animation */
  @keyframes pop {
    0%   { transform: rotate(45deg) translate(-1px,-1px) scale(0); }
    60%  { transform: rotate(45deg) translate(-1px,-1px) scale(1.15); }
    100% { transform: rotate(45deg) translate(-1px,-1px) scale(1); }
  }

  .todo-check.checked::after,
  .habit-check.checked::after {
    animation: pop .25s ease both;
  }

  /* Press feedback */
  .todo-item:active,
  .habit-item:active,
  .card:active {
    transform: scale(.995);
  }

  .tab-btn:active svg,
  .cat-chip:active {
    transform: scale(.94);
  }
}

/* ============================================================
   Responsive (tablet+)
   ============================================================ */
@media (min-width: 600px) {
  .content-area {
    max-width: 680px;
    margin: 0 auto;
  }

  .tab-bar {
    max-width: 680px;
    left: 50%;
    transform: translateX(-50%);
  }

  .quick-add-bar {
    max-width: 680px;
    left: 50%;
    transform: translateX(-50%);
  }
}