/* ============================================
   100 Habits Explorer — Styles
   Calm, contemplative, minimal design
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --bg: #FAF9F6;
  --card-bg: #FFFFFF;
  --card-border: #E8E4DF;
  --primary: #5B7553;
  --primary-hover: #4A6344;
  --secondary: #C4956A;
  --text-primary: #2C2C2C;
  --text-secondary: #6B6B6B;
  --text-muted: #A3A3A3;
  --selected-bg: rgba(91, 117, 83, 0.1);
  --hover-bg: #F5F3EF;
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-elevated: 0 8px 24px rgba(0, 0, 0, 0.12);
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-input: 8px;
  --transition: 200ms ease;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --sidebar-width: 280px;
  --drawer-width: 420px;
  --max-content: 1120px;
}

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

html {
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ---------- Typography ---------- */
h1 { font-size: 28px; font-weight: 600; line-height: 1.3; color: var(--text-primary); }
h2 { font-size: 22px; font-weight: 600; line-height: 1.3; color: var(--text-primary); }
h3 { font-size: 16px; font-weight: 600; line-height: 1.4; color: var(--text-primary); }

.text-body { font-size: 15px; font-weight: 400; line-height: 1.6; color: var(--text-primary); }
.text-small { font-size: 14px; font-weight: 400; line-height: 1.5; color: var(--text-secondary); }
.text-caption {
  font-size: 12px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.text-muted { color: var(--text-muted); }

/* ---------- Layout ---------- */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: var(--card-bg);
  border-right: 1px solid var(--card-border);
  padding: 24px 20px;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  overflow-y: auto;
  z-index: 20;
  transition: transform 0.3s ease;
}

.sidebar-header {
  margin-bottom: 24px;
}

.sidebar-header h2 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

/* Main content */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 40px;
  max-width: calc(var(--max-content) + 80px);
}

.main-header {
  margin-bottom: 32px;
}

.main-header h1 {
  margin-bottom: 8px;
}

.main-header .subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  font-weight: 400;
}

/* ---------- Search Input ---------- */
.search-wrapper {
  position: relative;
  margin-bottom: 20px;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 18px;
  height: 18px;
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 12px 16px 12px 38px;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-input);
  font-family: var(--font);
  font-size: 14px;
  color: var(--text-primary);
  background: var(--card-bg);
  transition: border-color var(--transition);
  outline: none;
}

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

.search-input:focus {
  border: 2px solid var(--primary);
  padding: 11px 15px 11px 37px;
}

/* ---------- Filter Sections ---------- */
.filter-section {
  margin-bottom: 20px;
}

.filter-section-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  border-radius: 20px;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  font-family: var(--font);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 150ms ease;
  white-space: nowrap;
  user-select: none;
}

.filter-pill:hover {
  background: var(--hover-bg);
  border-color: #ccc;
}

.filter-pill.active {
  border-color: transparent;
  color: #fff;
  background: var(--primary);
}

.filter-pill .pill-count {
  font-size: 11px;
  opacity: 0.7;
}

/* Category pills get their own colors when active */
.filter-pill.category-pill.active {
  background: var(--pill-bg);
  color: var(--pill-text);
  border-color: var(--pill-text);
  font-weight: 600;
}

.clear-filters-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 12px;
  padding: 6px 12px;
  border: none;
  background: none;
  font-family: var(--font);
  font-size: 13px;
  color: var(--primary);
  cursor: pointer;
  border-radius: var(--radius-btn);
  transition: background var(--transition);
}

.clear-filters-btn:hover {
  background: var(--selected-bg);
}

.filter-summary {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--card-border);
}

/* ---------- Habit Cards Grid ---------- */
.habits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.habit-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-card);
  padding: 24px;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  position: relative;
}

.habit-card:hover {
  transform: scale(1.01);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.habit-card.selected {
  border-color: var(--primary);
  background: var(--selected-bg);
}

.habit-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
  gap: 8px;
}

.category-tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
}

.bonus-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  background: #C4956A;
  color: #fff;
  white-space: nowrap;
}

.habit-card h3 {
  margin-bottom: 8px;
}

.habit-card-description {
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
  flex: 1;
}

.habit-card-description.expanded {
  -webkit-line-clamp: unset;
  overflow: visible;
}

.read-more-toggle {
  background: none;
  border: none;
  color: var(--primary);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  padding: 0;
  margin-bottom: 12px;
}

.read-more-toggle:hover {
  text-decoration: underline;
}

.habit-card-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
  font-size: 12px;
  color: var(--text-muted);
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.meta-item svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.habit-card-actions {
  margin-top: auto;
}

.select-btn {
  width: 100%;
  padding: 10px 20px;
  border-radius: var(--radius-btn);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.select-btn.unselected {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}

.select-btn.unselected:hover {
  background: var(--selected-bg);
}

.select-btn.is-selected {
  background: var(--primary);
  color: #fff;
  border: 1px solid var(--primary);
}

.select-btn.is-selected:hover {
  background: var(--primary-hover);
}

/* ---------- Empty State ---------- */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  animation: fadeIn 0.3s ease;
}

.empty-state p {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.empty-state .clear-link {
  color: var(--primary);
  cursor: pointer;
  font-weight: 500;
  text-decoration: underline;
  background: none;
  border: none;
  font-family: var(--font);
  font-size: 15px;
}

/* ---------- Floating Pill ---------- */
.floating-pill {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--primary);
  color: #fff;
  padding: 12px 24px;
  border-radius: 50px;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(91, 117, 83, 0.35);
  z-index: 30;
  border: none;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: transform var(--transition), box-shadow var(--transition);
  animation: slideUp 0.3s ease;
}

.floating-pill:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(91, 117, 83, 0.45);
}

.floating-pill .pill-dot {
  width: 8px;
  height: 8px;
  background: #fff;
  border-radius: 50%;
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}

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

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ---------- Backdrop ---------- */
.backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  z-index: 40;
  animation: fadeIn 0.2s ease;
}

/* ---------- Drawer (My Habits) ---------- */
.drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: var(--drawer-width);
  background: var(--card-bg);
  z-index: 50;
  box-shadow: var(--shadow-elevated);
  display: flex;
  flex-direction: column;
  animation: slideInRight 0.3s ease;
  overflow: hidden;
}

@keyframes slideInRight {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px;
  border-bottom: 1px solid var(--card-border);
  flex-shrink: 0;
}

.drawer-header h2 {
  display: flex;
  align-items: center;
  gap: 8px;
}

.drawer-header .habit-count-badge {
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 12px;
}

.close-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: var(--hover-bg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: background var(--transition);
}

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

.drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
}

.drawer-section {
  margin-bottom: 32px;
}

.drawer-section-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.drawer-section-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

/* Selected habit mini cards in drawer */
.selected-habit-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-btn);
  margin-bottom: 8px;
  transition: all var(--transition);
}

.selected-habit-item.is-focus {
  border-color: var(--primary);
  border-width: 2px;
  background: var(--selected-bg);
}

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

.selected-habit-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.selected-habit-category {
  font-size: 11px;
  margin-top: 2px;
}

.focus-btn {
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  font-family: var(--font);
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition);
}

.focus-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.focus-btn.is-focus {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.remove-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition);
  flex-shrink: 0;
}

.remove-btn:hover {
  background: #fee;
  color: #c00;
}

/* Stacking section */
.routine-checklist {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.routine-check-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius-btn);
  cursor: pointer;
  transition: background var(--transition);
  font-size: 13px;
  color: var(--text-primary);
}

.routine-check-item:hover {
  background: var(--hover-bg);
}

.routine-check-item input[type="checkbox"] {
  accent-color: var(--primary);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.stacking-match {
  padding: 12px;
  background: var(--selected-bg);
  border-radius: var(--radius-btn);
  margin-bottom: 8px;
  border-left: 3px solid var(--primary);
}

.stacking-match-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.stacking-match-tip {
  font-size: 12px;
  color: var(--text-secondary);
  font-style: italic;
}

.no-stacking-msg {
  font-size: 13px;
  color: var(--text-muted);
  font-style: italic;
  padding: 12px;
  text-align: center;
}

/* Reflection textarea */
.reflection-textarea {
  width: 100%;
  min-height: 120px;
  padding: 12px 16px;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-input);
  font-family: var(--font);
  font-size: 14px;
  color: var(--text-primary);
  resize: vertical;
  outline: none;
  transition: border-color var(--transition);
  line-height: 1.6;
}

.reflection-textarea::placeholder {
  color: var(--text-muted);
}

.reflection-textarea:focus {
  border-color: var(--primary);
}

/* Export / Copy button */
.copy-plan-btn {
  width: 100%;
  padding: 12px 20px;
  border-radius: var(--radius-btn);
  background: var(--primary);
  color: #fff;
  border: none;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

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

/* Drawer footer */
.drawer-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--card-border);
  flex-shrink: 0;
}

.reset-btn {
  background: none;
  border: none;
  font-family: var(--font);
  font-size: 13px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px 0;
  transition: color var(--transition);
}

.reset-btn:hover {
  color: #c00;
}

/* Drawer empty state */
.drawer-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
}

/* ---------- Modal (Habit Detail) ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.2s ease;
}

.modal {
  background: var(--card-bg);
  border-radius: var(--radius-card);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-elevated);
  animation: modalIn 0.25s ease;
  position: relative;
}

@keyframes modalIn {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: var(--hover-bg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: background var(--transition);
  z-index: 2;
}

.modal-close:hover {
  background: var(--card-border);
}

.modal-content {
  padding: 32px;
}

.modal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.type-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.type-badge.addition {
  background: #E8F5E9;
  color: #2E7D32;
}

.type-badge.removal {
  background: #FFEBEE;
  color: #C62828;
}

.modal-content h2 {
  margin-bottom: 16px;
  padding-right: 40px;
}

.modal-description {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.tip-callout {
  display: flex;
  gap: 10px;
  padding: 14px 16px;
  background: #FFF8E1;
  border-radius: var(--radius-btn);
  margin-bottom: 20px;
  border-left: 3px solid #F9A825;
}

.tip-callout-icon {
  flex-shrink: 0;
  font-size: 18px;
  line-height: 1.4;
}

.tip-callout-text {
  font-size: 14px;
  color: var(--text-primary);
  line-height: 1.5;
}

.modal-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 20px;
  padding: 16px;
  background: var(--bg);
  border-radius: var(--radius-btn);
}

.modal-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-secondary);
}

.modal-meta-item svg {
  width: 16px;
  height: 16px;
  color: var(--text-muted);
}

.modal-meta-item strong {
  font-weight: 500;
  color: var(--text-primary);
}

.modal-stacking {
  padding: 14px 16px;
  background: var(--selected-bg);
  border-radius: var(--radius-btn);
  margin-bottom: 20px;
  border-left: 3px solid var(--primary);
}

.modal-stacking-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 4px;
}

.modal-stacking-text {
  font-size: 13px;
  color: var(--text-secondary);
}

.why-matters {
  padding: 16px;
  background: #F3F0EB;
  border-radius: var(--radius-btn);
  margin-bottom: 24px;
}

.why-matters-title {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.why-matters-text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-primary);
  font-style: italic;
}

.removal-tip-callout {
  display: flex;
  gap: 10px;
  padding: 14px 16px;
  background: #FFF3E0;
  border-radius: var(--radius-btn);
  margin-bottom: 20px;
  border-left: 3px solid var(--secondary);
}

.removal-tip-callout-text {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.modal-select-btn {
  width: 100%;
  padding: 14px 20px;
  border-radius: var(--radius-btn);
  font-family: var(--font);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.modal-select-btn.unselected {
  background: var(--primary);
  color: #fff;
  border: 2px solid var(--primary);
}

.modal-select-btn.unselected:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
}

.modal-select-btn.is-selected {
  background: var(--card-bg);
  color: var(--primary);
  border: 2px solid var(--primary);
}

.modal-select-btn.is-selected:hover {
  background: var(--selected-bg);
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text-primary);
  color: #fff;
  padding: 12px 24px;
  border-radius: 50px;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  z-index: 100;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  animation: toastIn 0.3s ease;
  white-space: nowrap;
}

@keyframes toastIn {
  from { transform: translateX(-50%) translateY(10px); opacity: 0; }
  to { transform: translateX(-50%) translateY(0); opacity: 1; }
}

/* ---------- Mobile Filter Toggle ---------- */
.mobile-filter-toggle {
  display: none;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-btn);
  background: var(--card-bg);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  margin-bottom: 16px;
}

.mobile-filter-toggle svg {
  width: 18px;
  height: 18px;
}

/* Mobile sidebar overlay close */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  z-index: 19;
}

/* Header bar for mobile */
.app-header {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--card-bg);
  border-bottom: 1px solid var(--card-border);
  position: sticky;
  top: 0;
  z-index: 15;
}

.app-header h1 {
  font-size: 18px;
}

.my-habits-header-btn {
  padding: 8px 16px;
  border-radius: var(--radius-btn);
  border: 1px solid var(--primary);
  background: transparent;
  color: var(--primary);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}

.my-habits-header-btn:hover {
  background: var(--selected-bg);
}

/* localStorage warning banner */
.storage-banner {
  background: #FFF3E0;
  color: #E65100;
  padding: 10px 20px;
  font-size: 13px;
  text-align: center;
  border-bottom: 1px solid #FFE0B2;
}

/* Confirm dialog */
.confirm-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 70;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.15s ease;
}

.confirm-dialog {
  background: var(--card-bg);
  border-radius: var(--radius-card);
  padding: 28px;
  max-width: 380px;
  width: 100%;
  box-shadow: var(--shadow-elevated);
  text-align: center;
}

.confirm-dialog p {
  font-size: 15px;
  color: var(--text-primary);
  margin-bottom: 20px;
  line-height: 1.5;
}

.confirm-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.confirm-actions button {
  padding: 10px 24px;
  border-radius: var(--radius-btn);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.confirm-cancel {
  background: var(--hover-bg);
  border: 1px solid var(--card-border);
  color: var(--text-secondary);
}

.confirm-cancel:hover {
  background: var(--card-border);
}

.confirm-ok {
  background: #C62828;
  border: none;
  color: #fff;
}

.confirm-ok:hover {
  background: #B71C1C;
}

/* ---------- Responsive: Tablet ---------- */
@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
    z-index: 25;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay.visible {
    display: block;
  }

  .main-content {
    margin-left: 0;
    padding: 24px;
  }

  .habits-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .mobile-filter-toggle {
    display: inline-flex;
  }

  .app-header {
    display: flex;
  }

  .main-header {
    display: none;
  }
}

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

  .main-content {
    padding: 16px;
  }

  .drawer {
    width: 100%;
  }

  .floating-pill {
    bottom: 16px;
    right: 16px;
    font-size: 13px;
    padding: 10px 20px;
  }

  .modal {
    max-width: 100%;
    max-height: 95vh;
    margin: 10px;
  }

  .modal-content {
    padding: 24px;
  }

  .modal-meta {
    flex-direction: column;
    gap: 10px;
  }
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .habit-card:hover {
    transform: none;
  }

  .floating-pill .pill-dot {
    animation: none;
  }
}

/* ---------- Focus Styles (Accessibility) ---------- */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ---------- Scrollbar ---------- */
.sidebar::-webkit-scrollbar,
.drawer-body::-webkit-scrollbar,
.modal::-webkit-scrollbar {
  width: 6px;
}

.sidebar::-webkit-scrollbar-track,
.drawer-body::-webkit-scrollbar-track,
.modal::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar::-webkit-scrollbar-thumb,
.drawer-body::-webkit-scrollbar-thumb,
.modal::-webkit-scrollbar-thumb {
  background: var(--card-border);
  border-radius: 3px;
}

/* ---------- Utility ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.hidden {
  display: none !important;
}