:root {
  /* Lilac & Royal Purple Theme */
  --color-bg-dark: #2e1142; /* Royal Purple Base */
  --color-bg-light: #482366; /* Mid Royal Purple */
  --color-bg-lilac: #9e7bb5; /* Lilac */
  --color-surface: rgba(46, 17, 66, 0.4);
  --color-surface-hover: rgba(72, 35, 102, 0.6);
  --color-primary: #e2b44d; /* Royal Gold */
  --color-primary-glow: rgba(226, 180, 77, 0.4);
  --color-secondary: #482366; /* Mid Purple */
  --color-accent: #ebd08c; /* Lighter Gold */
  --color-text-dark: #fdf6e7;
  --color-text-light: #e0d5c1;
  --color-border: rgba(226, 180, 77, 0.2); /* Gold border */
  --color-glass-border: rgba(255, 255, 255, 0.05);
  
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Poppins', sans-serif;
  
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 15px var(--color-primary-glow);
  
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 8px;
  
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;
}

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

html {
  font-size: 112.5%; /* Changes base font size to ~18px, scaling all rem values */
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-dark);
  background: linear-gradient(135deg, var(--color-bg-lilac) 0%, var(--color-bg-light) 40%, var(--color-bg-dark) 100%);
  color: var(--color-text-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  background-attachment: fixed;
}

/* Mobile First App Container */
#app {
  width: 100%;
  max-width: 480px; /* Mobile width constraint */
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.5); /* Stronger shadow for container */
  background: transparent;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  letter-spacing: 0.5px;
}

h1 { font-size: 2.2rem; line-height: 1.2; text-shadow: 0 2px 4px rgba(0,0,0,0.5); }
h2 { font-size: 1.6rem; }
h3 { font-size: 1.3rem; }

p {
  color: var(--color-text-light);
  font-weight: 300;
  margin-bottom: var(--spacing-md);
}

/* Utilities */
.text-center { text-align: center; }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mt-lg { margin-top: var(--spacing-lg); }

/* Layouts */
.view-container {
  padding: max(env(safe-area-inset-top), var(--spacing-xl)) max(env(safe-area-inset-right), var(--spacing-lg)) max(env(safe-area-inset-bottom), 100px) max(env(safe-area-inset-left), var(--spacing-lg));
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  animation: fadeSlideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  opacity: 0;
}

.view-content {
  flex: 1;
}

/* Glassmorphism Card Style */
.card {
  background: var(--color-surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--spacing-lg);
  border: 1px solid var(--color-border);
  border-top: 1px solid rgba(226, 180, 77, 0.4);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, background 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(to right, transparent, rgba(255,255,255,0.03), transparent);
  transform: skewX(-20deg);
  transition: 0.5s;
}

.card:hover::before {
  left: 150%;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md), var(--shadow-glow);
  background: var(--color-surface-hover);
}

/* Buttons */
.btn {
  display: inline-block;
  width: 100%;
  padding: 16px 24px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: var(--color-bg-dark);
  border: none;
  border-radius: var(--radius-lg);
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(226, 180, 77, 0.3);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 6px 20px rgba(226, 180, 77, 0.5);
}

.btn:active {
  transform: scale(0.98);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  box-shadow: none;
}

.btn-secondary:hover {
  background: rgba(226, 180, 77, 0.1);
  box-shadow: 0 0 15px rgba(226, 180, 77, 0.2);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-light);
  box-shadow: none;
  text-transform: none;
  font-weight: 400;
}

.btn-ghost:hover {
  color: var(--color-text-dark);
  box-shadow: none;
  transform: none;
}

/* Progress Bar */
.progress-container {
  width: 100%;
  height: 6px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  margin: var(--spacing-md) 0;
  overflow: hidden;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.3);
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), #FFF6D9);
  border-radius: var(--radius-sm);
  transition: width 1s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 0 10px rgba(226, 180, 77, 0.8);
}

/* Floating Navigation (bottom bar) */
.bottom-nav {
  position: fixed;
  bottom: 0;
  width: 100%;
  max-width: 480px;
  background: rgba(46, 17, 66, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--color-glass-border);
  display: flex;
  justify-content: space-around;
  padding: var(--spacing-md) 0 max(var(--spacing-md), env(safe-area-inset-bottom));
  z-index: 100;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
}

.nav-item {
  color: var(--color-text-light);
  text-decoration: none;
  font-size: 0.85rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: color 0.3s ease, transform 0.3s ease;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.nav-item:hover {
  color: var(--color-text-dark);
  transform: translateY(-2px);
}

.nav-item.active {
  color: var(--color-primary);
}
.nav-item.active svg {
  filter: drop-shadow(0 0 5px rgba(226, 180, 77, 0.5));
}

/* Animations */
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulseGlow {
  0% { box-shadow: 0 0 0 0 rgba(226, 180, 77, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(226, 180, 77, 0); }
  100% { box-shadow: 0 0 0 0 rgba(226, 180, 77, 0); }
}

/* Cat Elements */
.cat-illustration {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--spacing-lg);
  background: radial-gradient(circle, var(--color-surface-hover) 0%, transparent 100%);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  box-shadow: var(--shadow-md), inset 0 0 20px rgba(226, 180, 77, 0.1);
  animation: pulseGlow 3s infinite;
}

.cat-paw {
  display: inline-block;
  margin: 0 4px;
  color: var(--color-primary);
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));
}

/* Typography specifics */
.affirmation-text {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-style: italic;
  color: var(--color-primary);
  line-height: 1.4;
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.action-card h3 {
  color: var(--color-text-dark);
}

/* Forms */
textarea, input {
  width: 100%;
  background: rgba(46, 17, 66, 0.5);
  border: 1px solid var(--color-border);
  color: var(--color-text-dark);
  border-radius: var(--radius-sm);
  padding: 12px;
  font-family: var(--font-body);
  transition: all 0.3s ease;
}

textarea:focus, input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 10px var(--color-primary-glow);
  background: rgba(46, 17, 66, 0.8);
}

textarea::placeholder, input::placeholder {
  color: rgba(176, 184, 200, 0.5);
}