/* ============================================
   GrowSmart Planner - Mobile App Design System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/icon?family=Material+Icons+Round');

/* ---- CSS Variables / Design Tokens ---- */
:root {
  --primary: #4CAF50;
  --primary-dark: #388E3C;
  --primary-light: #C8E6C9;
  --secondary: #8BC34A;
  --accent: #CDDC39;
  --surface: #FFFFFF;
  --surface-variant: #F1F8E9;
  --background: #F5F5F5;
  --on-primary: #FFFFFF;
  --on-surface: #1B1B1B;
  --on-surface-variant: #49454F;
  --outline: #CAC4D0;
  --outline-variant: #E8F5E9;
  --error: #B00020;
  --error-container: #FFEDEA;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.10), 0 2px 4px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 20px rgba(0,0,0,0.12), 0 4px 8px rgba(0,0,0,0.08);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --nav-height: 64px;
  --appbar-height: 60px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --transition-fast: 150ms cubic-bezier(0.4,0,0.2,1);
  --transition-std: 250ms cubic-bezier(0.4,0,0.2,1);
  --transition-slow: 400ms cubic-bezier(0.4,0,0.2,1);
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  height: 100%;
}

body {
  font-family: var(--font);
  background: var(--background);
  color: var(--on-surface);
  height: 100%;
  min-height: 100vh;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  user-select: none;
  -webkit-user-select: none;
}

#app {
  width: 100%;
  max-width: 430px;
  height: 100vh;
  margin: 0 auto;
  position: relative;
  background: var(--background);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ---- Top App Bar ---- */
.app-bar {
  position: relative;
  z-index: 100;
  height: var(--appbar-height);
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8px;
  box-shadow: var(--shadow-md);
  flex-shrink: 0;
}

.app-bar-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--on-primary);
  letter-spacing: 0.15px;
  flex: 1;
  text-align: center;
}

.app-bar-action {
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  color: var(--on-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition-fast);
  flex-shrink: 0;
}

.app-bar-action:active { background: rgba(255,255,255,0.2); }
.app-bar-action .material-icons-round { font-size: 24px; }

/* ---- Screen Container ---- */
.screens-wrapper {
  flex: 1;
  position: relative;
  overflow: hidden;
}

.screen {
  position: absolute;
  inset: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding-bottom: 16px;
  opacity: 0;
  transform: translateX(30px);
  transition: opacity var(--transition-std), transform var(--transition-std);
  pointer-events: none;
  -webkit-overflow-scrolling: touch;
}

.screen.active {
  opacity: 1;
  transform: translateX(0);
  pointer-events: all;
}

.screen.exit-left {
  opacity: 0;
  transform: translateX(-30px);
}

/* ---- Bottom Navigation ---- */
.bottom-nav {
  height: var(--nav-height);
  background: var(--surface);
  display: flex;
  align-items: stretch;
  border-top: 1px solid var(--outline-variant);
  box-shadow: 0 -2px 8px rgba(0,0,0,0.08);
  flex-shrink: 0;
  z-index: 100;
}

.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  cursor: pointer;
  border: none;
  background: transparent;
  color: var(--on-surface-variant);
  transition: color var(--transition-fast);
  position: relative;
  padding: 8px 4px;
  -webkit-tap-highlight-color: transparent;
}

.nav-item::before {
  content: '';
  position: absolute;
  top: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 64px;
  height: 32px;
  border-radius: var(--radius-full);
  background: transparent;
  transition: background var(--transition-fast);
}

.nav-item.active::before { background: var(--primary-light); }
.nav-item.active { color: var(--primary-dark); }

.nav-item .material-icons-round {
  font-size: 24px;
  position: relative;
  z-index: 1;
  transition: transform var(--transition-fast);
}

.nav-item.active .material-icons-round { transform: scale(1.1); }

.nav-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.3px;
  position: relative;
  z-index: 1;
}

/* ---- FAB ---- */
.fab {
  position: fixed;
  bottom: calc(var(--nav-height) + 16px);
  right: calc(50% - 215px + 16px);
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--primary);
  color: var(--on-primary);
  border: none;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 200;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.fab:active {
  transform: scale(0.93);
  box-shadow: var(--shadow-sm);
}

.fab .material-icons-round { font-size: 24px; }
.fab.hidden { transform: scale(0); opacity: 0; pointer-events: none; }

/* ---- Cards ---- */
.card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.card:active { box-shadow: var(--shadow-md); transform: scale(0.99); }

/* ---- Section Headers ---- */
.section-header {
  padding: 16px 16px 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.section-action {
  font-size: 13px;
  font-weight: 500;
  color: var(--primary);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}
.section-action:active { background: var(--outline-variant); }

/* ============================================
   DASHBOARD SCREEN
   ============================================ */
#screen-dashboard {
  background: var(--background);
}

.dashboard-hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  padding: 20px 16px 28px;
  position: relative;
  overflow: hidden;
}

.dashboard-hero::before {
  content: '';
  position: absolute;
  top: -30px;
  right: -30px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
}

.dashboard-hero::after {
  content: '';
  position: absolute;
  bottom: -20px;
  right: 60px;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(255,255,255,0.07);
}

.hero-greeting {
  font-size: 13px;
  color: rgba(255,255,255,0.85);
  font-weight: 400;
  margin-bottom: 4px;
}

.hero-title {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.hero-stat {
  background: rgba(255,255,255,0.18);
  border-radius: var(--radius-md);
  padding: 10px 8px;
  text-align: center;
  backdrop-filter: blur(4px);
}

.hero-stat-num {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  line-height: 1;
}

.hero-stat-label {
  font-size: 10px;
  color: rgba(255,255,255,0.85);
  margin-top: 3px;
  font-weight: 500;
  letter-spacing: 0.3px;
}

/* Quick Actions */
.quick-actions {
  padding: 0 16px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.quick-action {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  padding: 12px 4px;
  background: var(--surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.quick-action:active { transform: scale(0.95); box-shadow: none; }

.quick-action-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.quick-action-icon .material-icons-round { font-size: 20px; }

.quick-action-label {
  font-size: 10px;
  font-weight: 500;
  color: var(--on-surface-variant);
  text-align: center;
  line-height: 1.2;
}

/* Watering Progress */
.watering-card {
  margin: 0 16px;
}

.watering-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--outline-variant);
  transition: background var(--transition-fast);
  cursor: pointer;
}

.watering-item:last-child { border-bottom: none; }
.watering-item:active { background: var(--surface-variant); }

.plant-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
  overflow: hidden;
}

.plant-avatar img { width: 100%; height: 100%; object-fit: cover; }

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

.watering-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--on-surface);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.watering-meta {
  font-size: 12px;
  color: var(--on-surface-variant);
  margin-top: 2px;
}

.watering-progress {
  flex: 1;
  max-width: 80px;
}

.progress-bar {
  height: 6px;
  background: var(--outline-variant);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: width 0.6s cubic-bezier(0.4,0,0.2,1);
}

.progress-fill.urgent { background: linear-gradient(90deg, #F44336, #FF5722); }
.progress-fill.warning { background: linear-gradient(90deg, #FF9800, #FFC107); }

.progress-label {
  font-size: 10px;
  color: var(--on-surface-variant);
  margin-top: 3px;
  text-align: right;
}

/* Recent Activity */
.activity-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--outline-variant);
}

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

.activity-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  margin-top: 5px;
  flex-shrink: 0;
}

.activity-text {
  font-size: 13px;
  color: var(--on-surface);
  line-height: 1.4;
}

.activity-time {
  font-size: 11px;
  color: var(--on-surface-variant);
  margin-top: 2px;
}

/* ============================================
   MY GARDEN SCREEN
   ============================================ */
.search-bar-wrapper {
  padding: 12px 16px 8px;
  position: sticky;
  top: 0;
  background: var(--background);
  z-index: 10;
}

.search-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  border-radius: var(--radius-full);
  padding: 10px 16px;
  box-shadow: var(--shadow-sm);
}

.search-bar .material-icons-round {
  font-size: 20px;
  color: var(--on-surface-variant);
  flex-shrink: 0;
}

.search-bar input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 14px;
  font-family: var(--font);
  color: var(--on-surface);
  background: transparent;
}

.search-bar input::placeholder { color: var(--on-surface-variant); }

.filter-chips {
  display: flex;
  gap: 8px;
  padding: 4px 16px 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.filter-chips::-webkit-scrollbar { display: none; }

.chip {
  flex-shrink: 0;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
  border: 1.5px solid var(--outline);
  color: var(--on-surface-variant);
  background: var(--surface);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.chip.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--on-primary);
}

.plants-grid {
  padding: 4px 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.plant-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
  -webkit-tap-highlight-color: transparent;
}

.plant-card:active { transform: scale(0.97); box-shadow: none; }

.plant-card-img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  position: relative;
}

.plant-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(0,0,0,0.3));
}

.plant-card-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(255,255,255,0.92);
  border-radius: var(--radius-full);
  padding: 3px 8px;
  font-size: 10px;
  font-weight: 600;
  z-index: 1;
  backdrop-filter: blur(4px);
}

.plant-card-badge.urgent { color: #F44336; }
.plant-card-badge.warning { color: #FF9800; }
.plant-card-badge.ok { color: var(--primary); }

.plant-card-body { padding: 10px 12px 12px; }

.plant-card-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--on-surface);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.plant-card-species {
  font-size: 11px;
  color: var(--on-surface-variant);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.plant-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
}

.water-badge {
  display: flex;
  align-items: center;
  gap: 3px;
  font-size: 11px;
  color: var(--primary-dark);
  font-weight: 500;
}

.water-badge .material-icons-round { font-size: 14px; }

.plants-list { padding: 0 16px; display: flex; flex-direction: column; gap: 10px; }

.plant-list-item {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  cursor: pointer;
  transition: transform var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.plant-list-item:active { transform: scale(0.99); }

.plant-list-avatar {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  flex-shrink: 0;
  overflow: hidden;
}

.plant-list-info { flex: 1; min-width: 0; }

.plant-list-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--on-surface);
}

.plant-list-species {
  font-size: 12px;
  color: var(--on-surface-variant);
  margin-top: 1px;
}

.plant-list-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 5px;
}

.meta-chip {
  font-size: 10px;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  background: var(--outline-variant);
  color: var(--on-surface-variant);
  font-weight: 500;
}

.meta-chip.urgent { background: #FFEBEE; color: #C62828; }
.meta-chip.warning { background: #FFF3E0; color: #E65100; }
.meta-chip.ok { background: var(--primary-light); color: var(--primary-dark); }

.plant-list-chevron {
  color: var(--outline);
  font-size: 20px;
  flex-shrink: 0;
}

/* ============================================
   CALENDAR SCREEN
   ============================================ */
.calendar-wrapper { padding: 0 16px; }

.mini-calendar {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 16px;
  margin: 12px 0 0;
}

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

.cal-month {
  font-size: 16px;
  font-weight: 600;
  color: var(--on-surface);
}

.cal-nav {
  width: 36px;
  height: 36px;
  border: none;
  background: var(--surface-variant);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition-fast);
}
.cal-nav:active { background: var(--primary-light); }
.cal-nav .material-icons-round { font-size: 18px; color: var(--on-surface-variant); }

.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
}

.cal-day-name {
  text-align: center;
  font-size: 10px;
  font-weight: 600;
  color: var(--on-surface-variant);
  padding: 4px 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.cal-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  color: var(--on-surface);
  font-weight: 400;
}

.cal-day:active { background: var(--primary-light); }
.cal-day.other-month { color: var(--outline); }
.cal-day.today { font-weight: 700; background: var(--primary); color: white; }
.cal-day.selected { background: var(--primary-light); color: var(--primary-dark); font-weight: 600; }
.cal-day.has-event::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--secondary);
}
.cal-day.today.has-event::after { background: white; }

.tasks-list { margin-top: 12px; display: flex; flex-direction: column; gap: 8px; }

.task-item {
  background: var(--surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  cursor: pointer;
  transition: transform var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.task-item:active { transform: scale(0.99); }

.task-color-bar {
  width: 4px;
  height: 40px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.task-info { flex: 1; }

.task-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--on-surface);
}

.task-subtitle {
  font-size: 12px;
  color: var(--on-surface-variant);
  margin-top: 2px;
}

.task-time {
  font-size: 12px;
  font-weight: 500;
  color: var(--on-surface-variant);
  flex-shrink: 0;
}

.task-check {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--outline);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.task-check.done {
  background: var(--primary);
  border-color: var(--primary);
}

.task-check .material-icons-round { font-size: 14px; color: white; }

/* ============================================
   TIPS & GUIDES SCREEN
   ============================================ */
.tips-hero {
  margin: 12px 16px 0;
  background: linear-gradient(135deg, var(--secondary) 0%, var(--accent) 100%);
  border-radius: var(--radius-xl);
  padding: 20px;
  position: relative;
  overflow: hidden;
}

.tips-hero::before {
  content: '🌿';
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 60px;
  opacity: 0.3;
}

.tips-hero-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: rgba(0,0,0,0.6);
  margin-bottom: 6px;
}

.tips-hero-title {
  font-size: 18px;
  font-weight: 700;
  color: rgba(0,0,0,0.85);
  line-height: 1.3;
  max-width: 180px;
}

.tips-hero-btn {
  margin-top: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0,0,0,0.15);
  color: rgba(0,0,0,0.75);
  border: none;
  border-radius: var(--radius-full);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
  transition: background var(--transition-fast);
}

.tips-hero-btn:active { background: rgba(0,0,0,0.25); }

.tips-categories {
  padding: 0 16px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.category-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 16px 14px;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.category-card:active { transform: scale(0.97); box-shadow: none; }

.category-icon {
  font-size: 28px;
  margin-bottom: 8px;
}

.category-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--on-surface);
}

.category-count {
  font-size: 11px;
  color: var(--on-surface-variant);
  margin-top: 2px;
}

.tips-cards { padding: 0 16px; display: flex; flex-direction: column; gap: 10px; }

.tip-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  cursor: pointer;
  display: flex;
  transition: transform var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.tip-card:active { transform: scale(0.99); }

.tip-card-color {
  width: 5px;
  flex-shrink: 0;
}

.tip-card-body { padding: 14px; flex: 1; }

.tip-card-category {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--primary);
  margin-bottom: 4px;
}

.tip-card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--on-surface);
  line-height: 1.3;
}

.tip-card-desc {
  font-size: 12px;
  color: var(--on-surface-variant);
  margin-top: 4px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tip-card-icon {
  font-size: 32px;
  padding: 14px 14px 14px 0;
  display: flex;
  align-items: center;
}

/* ============================================
   PLANT DETAIL SHEET
   ============================================ */
.detail-sheet {
  position: fixed;
  inset: 0;
  z-index: 500;
  pointer-events: none;
}

.detail-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  opacity: 0;
  transition: opacity var(--transition-std);
}

.detail-content {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) translateY(100%);
  width: 100%;
  max-width: 430px;
  background: var(--surface);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  max-height: 90vh;
  overflow-y: auto;
  transition: transform var(--transition-slow);
}

.detail-sheet.open {
  pointer-events: all;
}

.detail-sheet.open .detail-backdrop { opacity: 1; }
.detail-sheet.open .detail-content { transform: translateX(-50%) translateY(0); }

.detail-handle {
  width: 36px;
  height: 4px;
  border-radius: var(--radius-full);
  background: var(--outline);
  margin: 12px auto 0;
}

.detail-hero {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 80px;
  position: relative;
  overflow: hidden;
}

.detail-hero-actions {
  position: absolute;
  top: 12px;
  right: 12px;
  display: flex;
  gap: 8px;
}

.detail-action-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.85);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  backdrop-filter: blur(4px);
  transition: background var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.detail-action-btn:active { background: rgba(255,255,255,1); }
.detail-action-btn .material-icons-round { font-size: 20px; color: var(--on-surface); }
.detail-action-btn.delete .material-icons-round { color: var(--error); }

.detail-body { padding: 16px 20px 32px; }

.detail-name {
  font-size: 22px;
  font-weight: 700;
  color: var(--on-surface);
}

.detail-species {
  font-size: 14px;
  color: var(--on-surface-variant);
  margin-top: 2px;
}

.detail-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin: 16px 0;
}

.detail-info-tile {
  background: var(--surface-variant);
  border-radius: var(--radius-md);
  padding: 12px;
}

.detail-info-icon { font-size: 20px; margin-bottom: 6px; }

.detail-info-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--on-surface-variant);
  margin-bottom: 2px;
}

.detail-info-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--on-surface);
}

.detail-notes-section { margin-top: 4px; }

.detail-notes-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.detail-notes-text {
  font-size: 14px;
  color: var(--on-surface);
  line-height: 1.6;
  background: var(--surface-variant);
  border-radius: var(--radius-md);
  padding: 12px;
}

.water-btn {
  width: 100%;
  padding: 14px;
  background: var(--primary);
  color: var(--on-primary);
  border: none;
  border-radius: var(--radius-lg);
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  margin-top: 20px;
  transition: background var(--transition-fast), transform var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.water-btn:active { background: var(--primary-dark); transform: scale(0.99); }
.water-btn .material-icons-round { font-size: 20px; }

/* ============================================
   BOTTOM SHEET FORM (Add/Edit)
   ============================================ */
.form-sheet {
  position: fixed;
  inset: 0;
  z-index: 600;
  pointer-events: none;
}

.form-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.6);
  opacity: 0;
  transition: opacity var(--transition-std);
}

.form-content {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) translateY(100%);
  width: 100%;
  max-width: 430px;
  background: var(--surface);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  max-height: 95vh;
  overflow-y: auto;
  transition: transform var(--transition-slow);
  -webkit-overflow-scrolling: touch;
}

.form-sheet.open {
  pointer-events: all;
}

.form-sheet.open .form-backdrop { opacity: 1; }
.form-sheet.open .form-content { transform: translateX(-50%) translateY(0); }

.form-handle {
  width: 36px;
  height: 4px;
  border-radius: var(--radius-full);
  background: var(--outline);
  margin: 12px auto 0;
}

.form-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px 0;
}

.form-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--on-surface);
}

.form-close {
  width: 36px;
  height: 36px;
  border: none;
  background: var(--surface-variant);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--on-surface-variant);
  transition: background var(--transition-fast);
}

.form-close:active { background: var(--outline-variant); }
.form-close .material-icons-round { font-size: 20px; }

.form-body { padding: 20px; }

/* Material Floating Label Input */
.field-group {
  position: relative;
  margin-bottom: 20px;
}

.field-group label {
  position: absolute;
  top: 14px;
  left: 14px;
  font-size: 14px;
  color: var(--on-surface-variant);
  transition: all var(--transition-fast);
  pointer-events: none;
  background: transparent;
  padding: 0 2px;
}

.field-group input,
.field-group textarea,
.field-group select {
  width: 100%;
  padding: 14px 14px 14px 14px;
  border: 1.5px solid var(--outline);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-family: var(--font);
  color: var(--on-surface);
  background: var(--surface);
  outline: none;
  transition: border-color var(--transition-fast);
  -webkit-appearance: none;
}

.field-group textarea {
  resize: none;
  min-height: 80px;
  line-height: 1.5;
}

.field-group select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath fill='%2349454F' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

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

.field-group input:focus + label,
.field-group input:not(:placeholder-shown) + label,
.field-group textarea:focus + label,
.field-group textarea:not(:placeholder-shown) + label,
.field-group select:focus + label,
.field-group.has-value label {
  top: -8px;
  font-size: 11px;
  color: var(--primary);
  background: var(--surface);
  padding: 0 4px;
  font-weight: 600;
}

.field-group input::placeholder,
.field-group textarea::placeholder { color: transparent; }

.field-group .error-msg {
  font-size: 11px;
  color: var(--error);
  margin-top: 4px;
  display: none;
}

.field-group.error input,
.field-group.error textarea { border-color: var(--error); }

.field-group.error .error-msg { display: block; }

.form-submit {
  width: 100%;
  padding: 15px;
  background: var(--primary);
  color: var(--on-primary);
  border: none;
  border-radius: var(--radius-lg);
  font-size: 16px;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
  margin-top: 4px;
  margin-bottom: 16px;
  -webkit-tap-highlight-color: transparent;
}

.form-submit:active { background: var(--primary-dark); transform: scale(0.99); }

/* ============================================
   DIALOG (Confirm Delete)
   ============================================ */
.dialog-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-std);
  padding: 24px;
}

.dialog-overlay.open { opacity: 1; pointer-events: all; }

.dialog {
  background: var(--surface);
  border-radius: var(--radius-xl);
  padding: 24px;
  width: 100%;
  max-width: 320px;
  box-shadow: var(--shadow-xl);
  transform: scale(0.9);
  transition: transform var(--transition-std);
}

.dialog-overlay.open .dialog { transform: scale(1); }

.dialog-icon { font-size: 40px; text-align: center; margin-bottom: 12px; }

.dialog-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--on-surface);
  text-align: center;
  margin-bottom: 8px;
}

.dialog-text {
  font-size: 14px;
  color: var(--on-surface-variant);
  text-align: center;
  line-height: 1.5;
  margin-bottom: 20px;
}

.dialog-actions {
  display: flex;
  gap: 10px;
}

.dialog-btn {
  flex: 1;
  padding: 12px;
  border-radius: var(--radius-md);
  border: none;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: all var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.dialog-btn.cancel {
  background: var(--surface-variant);
  color: var(--on-surface);
}

.dialog-btn.cancel:active { background: var(--outline-variant); }

.dialog-btn.danger {
  background: var(--error);
  color: white;
}

.dialog-btn.danger:active { background: #8B0000; }

/* ============================================
   SNACKBAR / TOAST
   ============================================ */
.snackbar {
  position: fixed;
  bottom: calc(var(--nav-height) + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: #323232;
  color: white;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  z-index: 800;
  transition: transform var(--transition-std);
  white-space: nowrap;
  max-width: calc(430px - 32px);
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-lg);
}

.snackbar.show { transform: translateX(-50%) translateY(0); }
.snackbar .material-icons-round { font-size: 18px; color: var(--secondary); }

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 32px;
  text-align: center;
}

.empty-icon { font-size: 72px; margin-bottom: 16px; opacity: 0.6; }

.empty-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--on-surface);
  margin-bottom: 8px;
}

.empty-text {
  font-size: 14px;
  color: var(--on-surface-variant);
  line-height: 1.5;
  margin-bottom: 24px;
}

.empty-btn {
  background: var(--primary);
  color: var(--on-primary);
  border: none;
  border-radius: var(--radius-full);
  padding: 12px 28px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.empty-btn:active { background: var(--primary-dark); transform: scale(0.97); }
.empty-btn .material-icons-round { font-size: 18px; }

/* ============================================
   SKELETON LOADING
   ============================================ */
@keyframes shimmer {
  0% { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}

.skeleton {
  background: linear-gradient(90deg, #E0E0E0 25%, #F5F5F5 50%, #E0E0E0 75%);
  background-size: 800px 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--radius-sm);
}

/* ============================================
   RIPPLE
   ============================================ */
.ripple-container {
  position: relative;
  overflow: hidden;
}

@keyframes ripple-anim {
  to { transform: scale(4); opacity: 0; }
}

.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  animation: ripple-anim 0.5s linear;
  pointer-events: none;
  transform: scale(0);
}

/* ============================================
   MISC UTILITIES
   ============================================ */
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.px-16 { padding-left: 16px; padding-right: 16px; }

/* Scrollbar hiding */
.screen::-webkit-scrollbar { display: none; }
.screen { scrollbar-width: none; }

/* Tips detail modal */
.tip-detail-overlay {
  position: fixed;
  inset: 0;
  z-index: 700;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: flex-end;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-std);
}

.tip-detail-overlay.open { opacity: 1; pointer-events: all; }

.tip-detail-content {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  background: var(--surface);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  max-height: 80vh;
  overflow-y: auto;
  transform: translateY(100%);
  transition: transform var(--transition-slow);
}

.tip-detail-overlay.open .tip-detail-content { transform: translateY(0); }

.tip-detail-header {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--outline-variant);
}

.tip-detail-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--on-surface);
  margin-top: 8px;
}

.tip-detail-body { padding: 20px; }

.tip-detail-body p {
  font-size: 14px;
  color: var(--on-surface);
  line-height: 1.7;
  margin-bottom: 14px;
}

.tip-detail-body ul {
  padding-left: 0;
  list-style: none;
}

.tip-detail-body ul li {
  font-size: 14px;
  color: var(--on-surface);
  line-height: 1.6;
  padding: 6px 0 6px 24px;
  position: relative;
  border-bottom: 1px solid var(--outline-variant);
}

.tip-detail-body ul li:last-child { border-bottom: none; }

.tip-detail-body ul li::before {
  content: '🌱';
  position: absolute;
  left: 0;
  font-size: 14px;
}

/* View toggle */
.view-toggle {
  display: flex;
  gap: 2px;
  background: var(--surface-variant);
  border-radius: var(--radius-md);
  padding: 3px;
}

.view-btn {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  border-radius: calc(var(--radius-md) - 2px);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--on-surface-variant);
}

.view-btn.active { background: var(--surface); color: var(--primary); box-shadow: var(--shadow-sm); }
.view-btn .material-icons-round { font-size: 18px; }

/* Urgency indicators */
.urgency-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 4px;
}
.urgency-dot.urgent { background: #F44336; }
.urgency-dot.warning { background: #FF9800; }
.urgency-dot.ok { background: var(--primary); }