/* ==========================================================================
   AuraHabit - Design System & Stylesheet
   Dark Obsidian | Neon Cyan & Warm Yellow Accents | Mobile-First UI
   ========================================================================== */

:root {
  /* Obsidian Base Colors */
  --bg-app: #0B0F19;
  --bg-surface: #111827;
  --bg-surface-elevated: #1F293D;
  --bg-glass: rgba(17, 24, 39, 0.72);
  --bg-glass-card: rgba(255, 255, 255, 0.035);
  --bg-glass-card-hover: rgba(255, 255, 255, 0.065);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-glow: rgba(0, 242, 254, 0.35);

  /* Primary Neon Cyan Accent */
  --neon-cyan: #00F2FE;
  --neon-cyan-glow: rgba(0, 242, 254, 0.35);
  --neon-cyan-subtle: rgba(0, 242, 254, 0.12);

  /* Secondary Warm Amber / Yellow Accent */
  --warm-yellow: #FCD34D;
  --warm-amber: #F59E0B;
  --warm-amber-glow: rgba(245, 158, 11, 0.35);
  --warm-amber-subtle: rgba(245, 158, 11, 0.14);

  /* Functional Palette */
  --color-emerald: #10B981;
  --color-violet: #A855F7;
  --color-rose: #F43F5E;
  --color-sky: #38BDF8;

  /* Text Colors */
  --text-primary: #F9FAFB;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --text-inverse: #0B0F19;

  /* Typography & Sizing */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Transitions & Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-glow-cyan: 0 0 24px rgba(0, 242, 254, 0.22);
  --shadow-glow-amber: 0 0 24px rgba(245, 158, 11, 0.25);
  --shadow-card: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.32s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

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

html, body {
  width: 100%;
  height: 100%;
  background-color: #030712;
  color: var(--text-primary);
  font-family: var(--font-sans);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Ambient Radial Glow Background Effect */
body::before {
  content: '';
  position: fixed;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 242, 254, 0.09) 0%, rgba(245, 158, 11, 0.05) 50%, transparent 75%);
  pointer-events: none;
  z-index: 0;
}

/* Responsive Mobile Container: Center on desktop, full-bleed on mobile */
.app-container {
  position: relative;
  width: 100%;
  max-width: 480px;
  min-height: 100vh;
  margin: 0 auto;
  background-color: var(--bg-app);
  display: flex;
  flex-direction: column;
  box-shadow: 0 0 60px rgba(0, 0, 0, 0.8);
  border-left: 1px solid rgba(255, 255, 255, 0.03);
  border-right: 1px solid rgba(255, 255, 255, 0.03);
  padding-bottom: calc(90px + env(safe-area-inset-bottom));
  z-index: 1;
}

/* Safe area padding for notch and home indicator */
.safe-top {
  padding-top: max(16px, env(safe-area-inset-top));
}

/* ==========================================================================
   Top Header Bar
   ========================================================================== */
.app-header {
  padding: 16px 20px 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-left {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.header-date-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-date {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--neon-cyan);
}

.header-greeting {
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-btn {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  backdrop-filter: blur(12px);
  transition: all var(--transition-fast);
}

.icon-btn:hover, .icon-btn:focus-visible {
  background: var(--bg-glass-card-hover);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.icon-btn:active {
  transform: scale(0.92);
}

.icon-btn.active-glow {
  color: var(--warm-yellow);
  border-color: var(--warm-amber-glow);
  box-shadow: var(--shadow-glow-amber);
}

/* ==========================================================================
   Hero Daily Progress Card with SVG Ring
   ========================================================================== */
.hero-progress-section {
  padding: 8px 20px 16px 20px;
}

.hero-card {
  position: relative;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.015) 100%);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 20px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.hero-card::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -20%;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, var(--neon-cyan-glow) 0%, transparent 70%);
  pointer-events: none;
  filter: blur(20px);
}

/* SVG Circular Ring */
.ring-wrapper {
  position: relative;
  width: 104px;
  height: 104px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ring-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.ring-bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.08);
  stroke-width: 9;
}

.ring-progress {
  fill: none;
  stroke: url(#cyanGoldGrad);
  stroke-width: 9;
  stroke-linecap: round;
  stroke-dasharray: 276.46;
  stroke-dashoffset: 276.46;
  transition: stroke-dashoffset 0.85s cubic-bezier(0.34, 1.2, 0.64, 1);
  filter: drop-shadow(0 0 8px rgba(0, 242, 254, 0.5));
}

.ring-inner-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.ring-percent {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #FFFFFF;
}

.ring-fraction {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.hero-details {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.hero-status-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: flex-start;
  padding: 4px 10px;
  background: var(--neon-cyan-subtle);
  border: 1px solid rgba(0, 242, 254, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--neon-cyan);
}

.hero-status-tag.all-done {
  background: var(--warm-amber-subtle);
  border-color: rgba(245, 158, 11, 0.35);
  color: var(--warm-yellow);
  box-shadow: var(--shadow-glow-amber);
}

.hero-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.3;
}

.hero-subtitle {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.hero-stats-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 4px;
}

.stat-pill {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.stat-pill .fire-icon {
  color: var(--warm-amber);
  filter: drop-shadow(0 0 6px rgba(245, 158, 11, 0.6));
}

/* ==========================================================================
   7-Day Mini Calendar Strip
   ========================================================================== */
.week-strip-container {
  padding: 4px 20px 16px 20px;
}

.week-strip-scroll {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 8px 10px;
  gap: 6px;
}

.day-pill {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 8px 4px;
  border-radius: var(--radius-md);
  cursor: pointer;
  background: transparent;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  gap: 4px;
}

.day-pill:hover {
  background: var(--bg-glass-card-hover);
}

.day-pill:active {
  transform: scale(0.92);
}

.day-pill.selected {
  background: var(--bg-surface-elevated);
  border-color: var(--neon-cyan);
  box-shadow: 0 0 16px rgba(0, 242, 254, 0.25);
}

.day-pill.is-today .day-name {
  color: var(--neon-cyan);
  font-weight: 800;
}

.day-name {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
}

.day-number {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.day-indicator-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.12);
  transition: all var(--transition-fast);
}

.day-pill.completed-full .day-indicator-dot {
  background: var(--warm-yellow);
  box-shadow: 0 0 6px var(--warm-yellow);
}

.day-pill.completed-partial .day-indicator-dot {
  background: var(--neon-cyan);
  box-shadow: 0 0 6px var(--neon-cyan);
}

/* ==========================================================================
   Filter Chips & Section Header
   ========================================================================== */
.section-header {
  padding: 4px 20px 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-chips {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.03);
  padding: 3px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-glass);
}

.chip-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.chip-btn.active {
  background: var(--neon-cyan);
  color: var(--text-inverse);
  font-weight: 700;
  box-shadow: 0 0 12px rgba(0, 242, 254, 0.4);
}

/* ==========================================================================
   Habits List & Interactive Cards
   ========================================================================== */
.habits-list {
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.habit-card {
  position: relative;
  background: var(--bg-glass-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: all 0.25s cubic-bezier(0.34, 1.3, 0.64, 1);
  cursor: pointer;
}

.habit-card:hover {
  background: var(--bg-glass-card-hover);
  border-color: rgba(255, 255, 255, 0.14);
}

.habit-card:active {
  transform: scale(0.985);
}

/* Completed Card State */
.habit-card.is-completed {
  background: rgba(0, 242, 254, 0.04);
  border-color: rgba(0, 242, 254, 0.2);
}

.habit-card.is-completed::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  pointer-events: none;
  box-shadow: inset 0 0 16px rgba(0, 242, 254, 0.06);
}

/* Emoji Avatar Container */
.habit-avatar-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  transition: all var(--transition-fast);
}

.habit-card.is-completed .habit-avatar-box {
  transform: scale(1.05);
  border-color: var(--border-glass-glow);
}

/* Habit Text Information */
.habit-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.habit-name {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color var(--transition-fast);
}

.habit-card.is-completed .habit-name {
  color: var(--text-secondary);
  text-decoration: line-through;
  text-decoration-color: rgba(255, 255, 255, 0.3);
}

.habit-meta-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.streak-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--warm-yellow);
  background: var(--warm-amber-subtle);
  border: 1px solid rgba(245, 158, 11, 0.25);
  padding: 2px 7px;
  border-radius: var(--radius-full);
}

.category-tag {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* Satisfying Check-Off Button */
.check-btn {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.04);
  border: 2px solid rgba(255, 255, 255, 0.15);
  color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  position: relative;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.check-btn:hover {
  border-color: var(--neon-cyan);
  background: var(--neon-cyan-subtle);
}

.check-btn:active {
  transform: scale(0.85);
}

.check-svg {
  width: 22px;
  height: 22px;
  stroke: var(--text-inverse);
  stroke-width: 3.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  stroke-dasharray: 24;
  stroke-dashoffset: 24;
  transition: stroke-dashoffset 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Checked State */
.check-btn.checked {
  background: linear-gradient(135deg, var(--neon-cyan) 0%, #38BDF8 100%);
  border-color: var(--neon-cyan);
  box-shadow: 0 0 16px rgba(0, 242, 254, 0.5);
  transform: scale(1.05);
}

.check-btn.checked .check-svg {
  stroke-dashoffset: 0;
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 48px 24px;
  gap: 12px;
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 4px;
  filter: drop-shadow(0 0 16px rgba(0, 242, 254, 0.25));
}

.empty-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #FFFFFF;
}

.empty-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  max-width: 260px;
  line-height: 1.4;
}

/* ==========================================================================
   Bottom Navigation / Floating Action Bar
   ========================================================================== */
.floating-bar {
  position: fixed;
  bottom: max(16px, env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: 440px;
  height: 64px;
  background: rgba(17, 24, 39, 0.85);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0 12px;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6);
  z-index: 100;
}

.nav-item {
  background: transparent;
  border: none;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  cursor: pointer;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.nav-item.active, .nav-item:hover {
  color: var(--neon-cyan);
}

.nav-item:active {
  transform: scale(0.92);
}

.nav-item svg {
  width: 22px;
  height: 22px;
}

.nav-item span {
  font-size: 0.65rem;
  font-weight: 700;
}

/* Central Floating Add Button */
.fab-add-btn {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--neon-cyan) 0%, #38BDF8 60%, var(--warm-amber) 100%);
  border: none;
  color: var(--text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.45);
  transform: translateY(-8px);
  transition: all var(--transition-bounce);
}

.fab-add-btn:hover {
  transform: translateY(-10px) scale(1.05);
  box-shadow: 0 0 28px rgba(0, 242, 254, 0.65);
}

.fab-add-btn:active {
  transform: translateY(-6px) scale(0.92);
}

.fab-add-btn svg {
  width: 26px;
  height: 26px;
  stroke: var(--text-inverse);
  stroke-width: 2.8;
}

/* ==========================================================================
   Modals & Bottom Sheet Drawers
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(3, 7, 18, 0.75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.bottom-sheet {
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-glass);
  border-left: 1px solid var(--border-glass);
  border-right: 1px solid var(--border-glass);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  padding: 16px 20px calc(24px + env(safe-area-inset-bottom)) 20px;
  box-shadow: 0 -16px 48px rgba(0, 0, 0, 0.7);
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
  transform: translateY(100%);
  transition: transform 0.32s cubic-bezier(0.32, 1.2, 0.64, 1);
}

.modal-overlay.open .bottom-sheet {
  transform: translateY(0);
}

.drag-handle {
  width: 40px;
  height: 4px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.2);
  align-self: center;
  margin-bottom: 4px;
}

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

.modal-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: #FFFFFF;
}

.close-modal-btn {
  background: rgba(255, 255, 255, 0.05);
  border: none;
  color: var(--text-secondary);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

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

.form-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.form-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  font-size: 0.95rem;
  color: #FFFFFF;
  outline: none;
  transition: all var(--transition-fast);
}

.form-input:focus {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 12px rgba(0, 242, 254, 0.25);
  background: rgba(255, 255, 255, 0.07);
}

/* Emoji Picker Grid */
.emoji-picker-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 10px;
}

.emoji-option-btn {
  font-size: 1.35rem;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 6px 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.emoji-option-btn:hover {
  background: var(--bg-glass-card-hover);
}

.emoji-option-btn.selected {
  background: var(--neon-cyan-subtle);
  border-color: var(--neon-cyan);
  transform: scale(1.15);
}

/* Color Picker Chips */
.color-picker-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.color-option-btn {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.color-option-btn.selected {
  border-color: #FFFFFF;
  transform: scale(1.2);
  box-shadow: 0 0 14px currentColor;
}

/* Primary Action Buttons */
.btn-primary {
  width: 100%;
  background: linear-gradient(135deg, var(--neon-cyan) 0%, #0284C7 100%);
  border: none;
  color: var(--text-inverse);
  font-size: 1rem;
  font-weight: 700;
  padding: 14px;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.35);
  transition: all var(--transition-fast);
}

.btn-primary:hover {
  box-shadow: 0 0 28px rgba(0, 242, 254, 0.55);
}

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

.btn-danger {
  width: 100%;
  background: rgba(244, 63, 94, 0.12);
  border: 1px solid rgba(244, 63, 94, 0.3);
  color: var(--color-rose);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 12px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-danger:hover {
  background: rgba(244, 63, 94, 0.2);
}

/* ==========================================================================
   Analytics & Monthly Heatmap Modal
   ========================================================================== */
.stats-summary-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.stat-metric-card {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-metric-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: #FFFFFF;
}

.stat-metric-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* Heatmap Grid */
.heatmap-container {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.heatmap-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.88rem;
  font-weight: 700;
  color: #FFFFFF;
}

.heatmap-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-muted);
}

.heatmap-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 5px;
}

.heatmap-cell {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.heatmap-cell.empty {
  visibility: hidden;
}

.heatmap-cell.level-1 { background: rgba(0, 242, 254, 0.25); color: #FFF; }
.heatmap-cell.level-2 { background: rgba(0, 242, 254, 0.55); color: #FFF; }
.heatmap-cell.level-3 { background: rgba(0, 242, 254, 0.85); color: #000; font-weight: 800; }
.heatmap-cell.level-4 { 
  background: linear-gradient(135deg, var(--neon-cyan) 0%, var(--warm-yellow) 100%); 
  color: #000; 
  font-weight: 800; 
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.4);
}

.heatmap-cell.is-today {
  border: 1.5px solid #FFFFFF;
}

/* Milestone Badges */
.milestones-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.milestone-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-glass-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 10px 14px;
}

.milestone-item.unlocked {
  border-color: rgba(245, 158, 11, 0.35);
  background: rgba(245, 158, 11, 0.04);
}

.milestone-icon {
  font-size: 1.6rem;
  filter: grayscale(1);
  opacity: 0.4;
}

.milestone-item.unlocked .milestone-icon {
  filter: grayscale(0);
  opacity: 1;
  filter: drop-shadow(0 0 8px rgba(245, 158, 11, 0.6));
}

.milestone-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.milestone-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: #FFFFFF;
}

.milestone-desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.milestone-status {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
}

.milestone-item.unlocked .milestone-status {
  color: var(--warm-yellow);
}

/* ==========================================================================
   Settings Modal & Toggles
   ========================================================================== */
.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-glass);
}

.settings-label-group {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.settings-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #FFFFFF;
}

.settings-desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Switch Toggle */
.toggle-switch {
  position: relative;
  width: 48px;
  height: 28px;
  display: inline-block;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-full);
  transition: 0.3s;
}

.slider::before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  border-radius: var(--radius-full);
  transition: 0.3s;
}

input:checked + .slider {
  background-color: var(--neon-cyan);
  box-shadow: 0 0 12px rgba(0, 242, 254, 0.4);
}

input:checked + .slider::before {
  transform: translateX(20px);
}

/* ==========================================================================
   Toast Notification Banner
   ========================================================================== */
.toast-banner {
  position: fixed;
  top: max(20px, env(safe-area-inset-top));
  left: 50%;
  transform: translateX(-50%) translateY(-100px);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-glass);
  color: #FFFFFF;
  padding: 10px 18px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
  z-index: 2000;
  transition: transform 0.35s cubic-bezier(0.34, 1.4, 0.64, 1);
  pointer-events: none;
}

.toast-banner.show {
  transform: translateX(-50%) translateY(0);
}

/* ==========================================================================
   AuraHabit Pro - Redesigned Paywall, Comparison Matrix, & Glowing Accents
   ========================================================================== */

/* Pro Status Badge */
.pro-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: linear-gradient(135deg, var(--warm-yellow) 0%, var(--warm-amber) 100%);
  color: #000000;
  font-size: 0.68rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.4);
}

.pro-pill-mini {
  background: linear-gradient(135deg, var(--warm-yellow) 0%, var(--warm-amber) 100%);
  color: #000;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: var(--radius-full);
}

/* Pro Promo Card in Settings */
.pro-promo-card {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.12) 0%, rgba(0, 242, 254, 0.08) 100%);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.12);
}

.pro-promo-card::before {
  content: '';
  position: absolute;
  top: -20px;
  right: -20px;
  width: 90px;
  height: 90px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.25) 0%, transparent 70%);
  pointer-events: none;
}

.pro-promo-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.pro-promo-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  gap: 6px;
}

.pro-promo-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.btn-pro-upgrade {
  background: linear-gradient(135deg, var(--warm-yellow) 0%, var(--warm-amber) 100%);
  color: #0B0F19;
  border: none;
  font-size: 0.9rem;
  font-weight: 800;
  padding: 12px;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  box-shadow: 0 0 16px rgba(245, 158, 11, 0.4);
  transition: all var(--transition-fast);
}

.btn-pro-upgrade:hover {
  transform: scale(1.02);
  box-shadow: 0 0 24px rgba(245, 158, 11, 0.6);
}

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

/* Sound Pack Selector */
.sound-pack-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-top: 6px;
}

.sound-pack-pill {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--text-secondary);
}

.sound-pack-pill:hover {
  background: var(--bg-glass-card-hover);
  color: #FFFFFF;
}

.sound-pack-pill.active {
  background: rgba(0, 242, 254, 0.1);
  border-color: var(--neon-cyan);
  color: #FFFFFF;
  box-shadow: 0 0 12px rgba(0, 242, 254, 0.25);
}

.sound-pack-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sound-pack-name {
  font-size: 0.85rem;
  font-weight: 700;
}

.sound-pack-desc {
  font-size: 0.68rem;
  color: var(--text-muted);
}

.sound-play-btn {
  background: rgba(255, 255, 255, 0.08);
  border: none;
  width: 26px;
  height: 26px;
  border-radius: var(--radius-full);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sound-play-btn:hover {
  background: var(--neon-cyan);
  color: var(--text-inverse);
}

/* ==========================================================================
   Heatmap Locked Preview Overlay
   ========================================================================== */
.heatmap-locked-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.heatmap-locked-wrapper.is-locked #month-heatmap-grid {
  filter: blur(3px) opacity(0.5);
  pointer-events: none;
  user-select: none;
}

.heatmap-lock-overlay {
  position: absolute;
  inset: 0;
  background: rgba(11, 15, 25, 0.78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 16px;
  gap: 8px;
  z-index: 10;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.heatmap-lock-overlay:hover {
  background: rgba(11, 15, 25, 0.72);
}

.heatmap-lock-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: 0 0 16px rgba(245, 158, 11, 0.4);
  animation: subtleBounce 2.5s ease-in-out infinite;
}

@keyframes subtleBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

.heatmap-lock-title {
  font-size: 1rem;
  font-weight: 800;
  color: #FFFFFF;
}

.heatmap-lock-desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
  max-width: 250px;
  line-height: 1.35;
}

.btn-unlock-heatmap {
  background: linear-gradient(135deg, var(--warm-yellow) 0%, var(--warm-amber) 100%);
  color: #070B14;
  border: none;
  font-size: 0.82rem;
  font-weight: 800;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 0 18px rgba(245, 158, 11, 0.45);
  transition: all var(--transition-fast);
}

.btn-unlock-heatmap:hover {
  transform: scale(1.05);
  box-shadow: 0 0 24px rgba(245, 158, 11, 0.65);
}

/* ==========================================================================
   Redesigned AuraHabit Pro Paywall Modal
   ========================================================================== */
.pro-modal-sheet {
  position: relative;
  background: #0B0F19;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  border: none;
  padding: 0;
  overflow: hidden;
  box-shadow: 0 -16px 48px rgba(0, 0, 0, 0.9);
}

/* Glowing Multi-Stop Cyan / Gold Gradient Border */
.pro-sheet-glow-border {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  padding: 2.5px 2.5px 0 2.5px;
  background: linear-gradient(135deg, #00F2FE 0%, #38BDF8 30%, #F59E0B 70%, #FCD34D 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  box-shadow: 0 -6px 36px rgba(0, 242, 254, 0.3), 0 -12px 48px rgba(245, 158, 11, 0.25);
  z-index: 5;
}

.pro-sheet-inner {
  padding: 16px 20px calc(24px + env(safe-area-inset-bottom)) 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-height: 88vh;
  overflow-y: auto;
  background: linear-gradient(180deg, #131B2E 0%, #0B0F19 100%);
  position: relative;
}

/* Ambient Radial Glow Lighting */
.pro-ambient-cyan {
  position: absolute;
  top: -40px;
  left: -40px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(0, 242, 254, 0.22) 0%, transparent 70%);
  pointer-events: none;
  filter: blur(25px);
}

.pro-ambient-gold {
  position: absolute;
  top: -30px;
  right: -40px;
  width: 190px;
  height: 190px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.22) 0%, transparent 70%);
  pointer-events: none;
  filter: blur(25px);
}

.pro-modal-header {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  position: relative;
  z-index: 2;
}

.pro-crown-badge-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.2) 0%, rgba(0, 242, 254, 0.15) 100%);
  border: 1px solid rgba(245, 158, 11, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 0 24px rgba(245, 158, 11, 0.5);
  margin-bottom: 2px;
}

.pro-headline {
  font-size: 1.45rem;
  font-weight: 800;
  background: linear-gradient(135deg, #FFFFFF 0%, var(--warm-yellow) 60%, var(--neon-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
}

.pro-subheadline {
  font-size: 0.82rem;
  color: var(--text-secondary);
  max-width: 310px;
  line-height: 1.35;
}

/* Feature Comparison Table (Free vs Pro) */
.pro-comparison-matrix {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  z-index: 2;
}

.matrix-header-row {
  display: grid;
  grid-template-columns: 1fr 70px 80px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid var(--border-glass);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.matrix-header-row .col-feat { color: var(--text-secondary); }
.matrix-header-row .col-free { text-align: center; color: var(--text-muted); }
.matrix-header-row .col-pro { text-align: center; }

.matrix-row {
  display: grid;
  grid-template-columns: 1fr 70px 80px;
  align-items: center;
  padding: 8px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  transition: background var(--transition-fast);
}

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

.matrix-row:hover {
  background: rgba(255, 255, 255, 0.02);
}

.matrix-feat {
  display: flex;
  align-items: center;
  gap: 8px;
}

.matrix-feat-icon {
  font-size: 1.05rem;
  flex-shrink: 0;
}

.matrix-feat-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.matrix-feat-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: #FFFFFF;
}

.matrix-feat-sub {
  font-size: 0.65rem;
  color: var(--text-secondary);
}

.matrix-val-free {
  text-align: center;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
}

.matrix-val-pro {
  text-align: center;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--warm-yellow);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  filter: drop-shadow(0 0 6px rgba(245, 158, 11, 0.4));
}

/* Gorgeous Pricing Cards */
.plan-cards-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  z-index: 2;
}

.plan-card {
  position: relative;
  background: rgba(255, 255, 255, 0.03);
  border: 2px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 14px 10px 12px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4px;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.34, 1.3, 0.64, 1);
}

.plan-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.2);
}

.plan-card.selected {
  background: linear-gradient(180deg, rgba(245, 158, 11, 0.12) 0%, rgba(0, 242, 254, 0.04) 100%);
  border-color: var(--warm-yellow);
  box-shadow: 0 0 24px rgba(245, 158, 11, 0.35), inset 0 0 16px rgba(245, 158, 11, 0.08);
  transform: translateY(-2px);
}

.plan-card#plan-monthly.selected {
  background: linear-gradient(180deg, rgba(0, 242, 254, 0.12) 0%, rgba(56, 189, 248, 0.04) 100%);
  border-color: var(--neon-cyan);
  box-shadow: 0 0 24px rgba(0, 242, 254, 0.35), inset 0 0 16px rgba(0, 242, 254, 0.08);
}

.plan-badge-tag {
  position: absolute;
  top: -11px;
  background: linear-gradient(135deg, var(--warm-yellow) 0%, var(--warm-amber) 100%);
  color: #000000;
  font-size: 0.58rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
}

.plan-radio-circle {
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  border: 2px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2px;
  transition: all var(--transition-fast);
}

.plan-card.selected .plan-radio-circle {
  border-color: var(--warm-yellow);
  background: var(--warm-amber);
  box-shadow: 0 0 8px var(--warm-yellow);
}

.plan-card#plan-monthly.selected .plan-radio-circle {
  border-color: var(--neon-cyan);
  background: var(--neon-cyan);
  box-shadow: 0 0 8px var(--neon-cyan);
}

.plan-radio-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: #000000;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.plan-card.selected .plan-radio-dot {
  opacity: 1;
}

.plan-type {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-primary);
}

.plan-price-row {
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.plan-price {
  font-size: 1.5rem;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: -0.02em;
}

.plan-term {
  font-size: 0.7rem;
  color: var(--text-secondary);
}

.plan-subtext {
  font-size: 0.65rem;
  color: var(--text-muted);
  line-height: 1.2;
}

/* Dynamic Glowing CTA Button */
.btn-pro-cta {
  width: 100%;
  background: linear-gradient(135deg, var(--warm-yellow) 0%, var(--warm-amber) 40%, var(--neon-cyan) 100%);
  background-size: 200% 200%;
  animation: gradientFlow 4s ease infinite;
  border: none;
  color: #070B14;
  font-size: 1.02rem;
  font-weight: 800;
  padding: 15px;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 0 28px rgba(245, 158, 11, 0.45);
  transition: all var(--transition-fast);
  z-index: 2;
}

@keyframes gradientFlow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.btn-pro-cta:hover {
  transform: scale(1.02);
  box-shadow: 0 0 36px rgba(0, 242, 254, 0.6);
}

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

.pro-guarantee-text {
  text-align: center;
  font-size: 0.7rem;
  color: var(--text-muted);
  line-height: 1.35;
  z-index: 2;
}