/* ========================================
   WATER INTAKE TRACKER - MAIN STYLES
   Light Blue Theme | High Contrast | No Emojis
   ======================================== */

/* CSS Variables - Light Blue Theme */
:root {
  /* Colors */
  --bg-primary: #e0f7fa;
  --bg-secondary: #b2ebf2;
  --bg-card: rgba(255, 255, 255, 0.7);
  
  --primary: #0284c7;
  --primary-light: #38bdf8;
  --primary-dark: #0369a1;
  
  --accent: #0ea5e9;
  --success: #10b981;
  --success-light: #34d399;
  
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  
  --border: transparent;
  --border-light: transparent;
  
  /* Shadows - Minimal */
  --shadow-sm: none;
  --shadow-md: none;
  --shadow-lg: none;
  --shadow-xl: none;
  --shadow-glow: none;
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  
  /* Border Radius - More rounded for playful look */
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-2xl: 48px;
  --radius-full: 9999px;
  
  /* Transitions - More bouncy */
  --transition-fast: 200ms cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-base: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-slow: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: 
    linear-gradient(180deg, 
      #e0f7fa 0%, 
      #b2ebf2 25%,
      #80deea 50%,
      #4dd0e1 75%,
      #26c6da 100%
    ),
    repeating-radial-gradient(
      circle at 20% 30%,
      rgba(255, 255, 255, 0.1) 0px,
      transparent 50px,
      rgba(255, 255, 255, 0.05) 100px,
      transparent 150px
    );
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

/* Screen Management */
.screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
}

.screen.hidden {
  display: none;
}

/* ========================================
   ONBOARDING SCREEN
   ======================================== */

.onboarding-container {
  background: var(--bg-card);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-2xl);
  max-width: 480px;
  width: 100%;
  text-align: center;
}

.logo-icon {
  margin-bottom: var(--spacing-lg);
  display: inline-block;
}

.onboarding-title {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.5px;
}

.onboarding-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  font-weight: 500;
}

/* Form Styles */
.setup-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.form-group {
  text-align: left;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  letter-spacing: 0.25px;
}

.input-group {
  display: flex;
  gap: var(--spacing-sm);
}

.form-input,
.form-select {
  width: 100%;
  padding: 16px 20px;
  font-size: 16px;
  font-family: inherit;
  font-weight: 500;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(2, 132, 199, 0.15);
  transform: scale(1.02);
}

.form-select {
  cursor: pointer;
  width: 100px;
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 16px 32px;
  font-size: 16px;
  font-weight: 600;
  font-family: inherit;
  border: none;
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-large {
  padding: 20px 40px;
  font-size: 18px;
  border-radius: var(--radius-2xl);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  transform: translateY(-3px) scale(1.05);
}

.btn-primary:active {
  transform: translateY(-1px) scale(0.98);
}

.btn-success {
  background: linear-gradient(135deg, var(--success) 0%, var(--success-light) 100%);
  color: white;
  box-shadow: var(--shadow-lg);
}

.btn-success:hover {
  background: linear-gradient(135deg, var(--success-light) 0%, var(--success) 100%);
  box-shadow: var(--shadow-xl);
  transform: translateY(-3px) scale(1.05);
}

.btn-icon {
  background: transparent;
  border: none;
  padding: var(--spacing-sm);
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
}

.btn-icon:hover {
  color: var(--primary);
  background: var(--bg-primary);
  transform: scale(1.1);
}

/* ========================================
   TRACKER SCREEN
   ======================================== */

.tracker-container {
  background: var(--bg-card);
  padding: var(--spacing-xl);
  border-radius: var(--radius-2xl);
  max-width: 600px;
  width: 100%;
}

/* Header */
.tracker-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 2px solid var(--border-light);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.header-icon {
  flex-shrink: 0;
}

.header-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

/* 3D Scene */
.scene {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: var(--spacing-2xl);
  margin: var(--spacing-xl) 0;
  min-height: 300px;
  position: relative;
}

/* 3D Bottle - Realistic Glass Effect */
.bottle-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.bottle-3d {
  position: relative;
  width: 150px;
  height: 340px;
  perspective: 1000px;
  transform-style: preserve-3d;
}

.bottle-neck {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 55px;
  height: 65px;
  background: linear-gradient(90deg, 
    rgba(255, 255, 255, 0.08) 0%,
    rgba(255, 255, 255, 0.25) 15%,
    rgba(255, 255, 255, 0.08) 30%,
    rgba(255, 255, 255, 0.15) 50%,
    rgba(255, 255, 255, 0.08) 70%,
    rgba(255, 255, 255, 0.2) 85%,
    rgba(255, 255, 255, 0.08) 100%
  );
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-radius: 12px 12px 0 0;
  z-index: 2;
  box-shadow: 
    inset 0 3px 15px rgba(255, 255, 255, 0.25),
    inset 0 -3px 10px rgba(0, 0, 0, 0.05),
    0 5px 20px rgba(0, 0, 0, 0.12);
  backdrop-filter: blur(3px);
}

.bottle-cap {
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 22px;
  background: linear-gradient(180deg, 
    #1e3a5f 0%, 
    #0f172a 50%,
    #0a1628 100%
  );
  border-radius: 10px 10px 0 0;
  z-index: 3;
  box-shadow: 
    0 -3px 15px rgba(0, 0, 0, 0.25),
    inset 0 2px 5px rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.bottle-cap::before {
  content: '';
  position: absolute;
  top: 3px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 2px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 1px;
}

.bottle-body {
  position: absolute;
  top: 60px;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.12) 0%,
    rgba(255, 255, 255, 0.03) 20%,
    rgba(255, 255, 255, 0.08) 40%,
    rgba(255, 255, 255, 0.03) 60%,
    rgba(255, 255, 255, 0.08) 80%,
    rgba(255, 255, 255, 0.12) 100%
  );
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-radius: 28px 28px 40px 40px;
  overflow: hidden;
  box-shadow: 
    inset 0 0 50px rgba(255, 255, 255, 0.08),
    inset 0 0 30px rgba(2, 132, 199, 0.03),
    inset 0 10px 30px rgba(255, 255, 255, 0.05),
    inset 0 -10px 30px rgba(0, 0, 0, 0.03),
    0 15px 40px rgba(0, 0, 0, 0.18),
    0 8px 20px rgba(2, 132, 199, 0.12);
  backdrop-filter: blur(3px);
  transform-style: preserve-3d;
}

.water-3d {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: 
    /* Main depth gradient - subtle blue tint */
    linear-gradient(180deg, 
      rgba(186, 230, 253, 0.20) 0%, 
      rgba(125, 211, 252, 0.18) 15%,
      rgba(56, 189, 248, 0.15) 30%,
      rgba(14, 165, 233, 0.12) 45%,
      rgba(2, 132, 199, 0.10) 60%,
      rgba(3, 105, 161, 0.08) 75%,
      rgba(1, 84, 133, 0.06) 100%
    ),
    /* Caustic light effect */
    repeating-radial-gradient(
      ellipse at 20% 30%,
      rgba(255, 255, 255, 0.12) 0px,
      transparent 10px,
      rgba(255, 255, 255, 0.08) 20px,
      transparent 30px
    ),
    /* Horizontal shimmer */
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 3px,
      rgba(255, 255, 255, 0.03) 3px,
      rgba(255, 255, 255, 0.03) 6px
    );
  transition: height 1.2s cubic-bezier(0.4, 0, 0.2, 1);
  height: 100%;
  box-shadow: 
    inset 0 25px 60px rgba(255, 255, 255, 0.35),
    inset 0 -25px 60px rgba(0, 0, 0, 0.15),
    inset 15px 0 40px rgba(255, 255, 255, 0.12),
    inset -15px 0 40px rgba(0, 0, 0, 0.08),
    0 0 50px rgba(56, 189, 248, 0.15);
  overflow: hidden;
  backdrop-filter: blur(2px);
}

.water-3d::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 25% 15%, rgba(255, 255, 255, 0.20) 0%, transparent 45%),
    radial-gradient(ellipse at 75% 85%, rgba(255, 255, 255, 0.08) 0%, transparent 40%);
  pointer-events: none;
  animation: water-caustic 4s ease-in-out infinite;
}

.water-3d::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, 
    transparent 0%,
    rgba(255, 255, 255, 0.06) 15%,
    transparent 30%,
    transparent 70%,
    rgba(255, 255, 255, 0.06) 85%,
    transparent 100%
  );
  pointer-events: none;
}

@keyframes water-caustic {
  0%, 100% {
    opacity: 0.8;
    transform: translateX(0) translateY(0);
  }
  50% {
    opacity: 1;
    transform: translateX(3px) translateY(-2px);
  }
}

.water-surface {
  position: absolute;
  top: -12px;
  left: -20px;
  right: -20px;
  height: 40px;
  background: 
    radial-gradient(ellipse at center, 
      rgba(186, 230, 253, 0.30) 0%, 
      rgba(125, 211, 252, 0.25) 35%,
      rgba(56, 189, 248, 0.20) 65%,
      rgba(14, 165, 233, 0.15) 85%,
      rgba(2, 132, 199, 0.10) 100%
    ),
    repeating-radial-gradient(
      ellipse at 50% 50%,
      rgba(255, 255, 255, 0.20) 0px,
      transparent 8px,
      rgba(255, 255, 255, 0.12) 16px,
      transparent 24px
    );
  border-radius: 50%;
  transform: scaleY(0.30);
  box-shadow: 
    0 12px 30px rgba(56, 189, 248, 0.30),
    inset 0 5px 20px rgba(255, 255, 255, 0.65),
    inset 0 -5px 15px rgba(0, 0, 0, 0.12);
  backdrop-filter: blur(4px);
  animation: water-surface-move 2.5s ease-in-out infinite;
}

@keyframes water-surface-move {
  0%, 100% {
    transform: scaleY(0.30) translateX(0) rotate(0deg);
  }
  25% {
    transform: scaleY(0.30) translateX(2px) rotate(0.5deg);
  }
  50% {
    transform: scaleY(0.30) translateX(0) rotate(0deg);
  }
  75% {
    transform: scaleY(0.30) translateX(-2px) rotate(-0.5deg);
  }
}

.water-bubbles {
  position: absolute;
  bottom: 10px;
  left: 0;
  right: 0;
  height: 100%;
  overflow: hidden;
}

.water-bubbles::before,
.water-bubbles::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0.2) 100%);
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.water-bubbles::before {
  left: 25%;
  bottom: 20px;
  animation: bubble-rise 4s ease-in-out infinite;
}

.water-bubbles::after {
  left: 65%;
  bottom: 30px;
  animation: bubble-rise 4s ease-in-out infinite 2s;
}

.bottle-reflection {
  position: absolute;
  top: 80px;
  left: 20px;
  width: 25px;
  height: 180px;
  background: linear-gradient(180deg, 
    rgba(255, 255, 255, 0.5) 0%, 
    rgba(255, 255, 255, 0.1) 100%
  );
  border-radius: 12px;
  transform: skewX(-8deg);
  filter: blur(1px);
  z-index: 1;
}

.bottle-highlight {
  position: absolute;
  top: 70px;
  right: 25px;
  width: 10px;
  height: 120px;
  background: linear-gradient(180deg, 
    rgba(255, 255, 255, 0.4) 0%, 
    rgba(255, 255, 255, 0.1) 100%
  );
  border-radius: 5px;
  filter: blur(0.5px);
  z-index: 1;
}

.bottle-shadow {
  position: absolute;
  top: 100px;
  left: 10px;
  width: 15px;
  height: 150px;
  background: linear-gradient(180deg, 
    rgba(0, 0, 0, 0.05) 0%, 
    rgba(0, 0, 0, 0.15) 100%
  );
  border-radius: 8px;
  transform: skewX(5deg);
  z-index: 1;
}

.bottle-base {
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 110px;
  height: 15px;
  background: radial-gradient(ellipse, rgba(0, 0, 0, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
}

.bottle-label {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  text-align: center;
}

.label-unit {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-left: 2px;
}

/* 3D Glass - Realistic Effect */
.glass-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.glass-3d {
  position: relative;
  width: 110px;
  height: 150px;
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.18) 0%,
    rgba(255, 255, 255, 0.04) 25%,
    rgba(255, 255, 255, 0.08) 50%,
    rgba(255, 255, 255, 0.04) 75%,
    rgba(255, 255, 255, 0.12) 100%
  );
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-radius: 0 0 25px 25px;
  overflow: hidden;
  box-shadow: 
    inset 0 0 30px rgba(255, 255, 255, 0.1),
    inset 0 0 20px rgba(2, 132, 199, 0.02),
    inset 0 8px 25px rgba(255, 255, 255, 0.05),
    inset 0 -8px 25px rgba(0, 0, 0, 0.03),
    0 12px 35px rgba(0, 0, 0, 0.15),
    0 6px 18px rgba(2, 132, 199, 0.1);
  backdrop-filter: blur(3px);
  transform-style: preserve-3d;
}

.glass-rim {
  position: absolute;
  top: -6px;
  left: -6px;
  right: -6px;
  height: 18px;
  background: linear-gradient(180deg, 
    rgba(255, 255, 255, 0.45) 0%,
    rgba(255, 255, 255, 0.25) 40%,
    rgba(255, 255, 255, 0.35) 100%
  );
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.55);
  z-index: 3;
  box-shadow: 
    0 3px 10px rgba(0, 0, 0, 0.12),
    inset 0 3px 8px rgba(255, 255, 255, 0.4),
    inset 0 -2px 5px rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(2px);
}

.glass-water {
  position: absolute;
  bottom: 12px;
  left: 6px;
  right: 6px;
  background: 
    linear-gradient(180deg, 
      rgba(186, 230, 253, 0.22) 0%, 
      rgba(125, 211, 252, 0.18) 25%,
      rgba(56, 189, 248, 0.14) 50%,
      rgba(14, 165, 233, 0.10) 75%,
      rgba(2, 132, 199, 0.08) 100%
    ),
    repeating-radial-gradient(
      ellipse at 30% 40%,
      rgba(255, 255, 255, 0.08) 0px,
      transparent 8px,
      rgba(255, 255, 255, 0.05) 16px,
      transparent 24px
    ),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(255, 255, 255, 0.02) 2px,
      rgba(255, 255, 255, 0.02) 4px
    );
  border-radius: 0 0 22px 22px;
  transition: height 1s cubic-bezier(0.4, 0, 0.2, 1);
  height: 0%;
  box-shadow: 
    inset 0 15px 30px rgba(255, 255, 255, 0.32),
    inset 0 -15px 30px rgba(0, 0, 0, 0.12),
    inset 8px 0 20px rgba(255, 255, 255, 0.10),
    inset -8px 0 20px rgba(0, 0, 0, 0.06),
    0 0 25px rgba(56, 189, 248, 0.20);
  backdrop-filter: blur(2px);
  overflow: hidden;
}

.glass-water::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 20% 25%, rgba(255, 255, 255, 0.18) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 75%, rgba(255, 255, 255, 0.06) 0%, transparent 45%);
  pointer-events: none;
  animation: glass-water-caustic 3s ease-in-out infinite;
}

@keyframes glass-water-caustic {
  0%, 100% {
    opacity: 0.7;
    transform: translateX(0) translateY(0);
  }
  50% {
    opacity: 1;
    transform: translateX(2px) translateY(-1px);
  }
}

.glass-water-surface {
  position: absolute;
  top: -12px;
  left: -15px;
  right: -15px;
  height: 28px;
  background: 
    radial-gradient(ellipse at center, 
      rgba(186, 230, 253, 0.35) 0%, 
      rgba(125, 211, 252, 0.28) 40%,
      rgba(56, 189, 248, 0.22) 70%,
      rgba(14, 165, 233, 0.15) 100%
    ),
    repeating-radial-gradient(
      ellipse at 50% 50%,
      rgba(255, 255, 255, 0.18) 0px,
      transparent 6px,
      rgba(255, 255, 255, 0.10) 12px,
      transparent 18px
    );
  border-radius: 50%;
  transform: scaleY(0.35);
  box-shadow: 
    0 8px 22px rgba(56, 189, 248, 0.28),
    inset 0 4px 15px rgba(255, 255, 255, 0.60),
    inset 0 -4px 10px rgba(0, 0, 0, 0.10);
  backdrop-filter: blur(3px);
  animation: glass-surface-move 2s ease-in-out infinite;
}

@keyframes glass-surface-move {
  0%, 100% {
    transform: scaleY(0.35) translateX(0) rotate(0deg);
  }
  25% {
    transform: scaleY(0.35) translateX(1.5px) rotate(0.3deg);
  }
  50% {
    transform: scaleY(0.35) translateX(0) rotate(0deg);
  }
  75% {
    transform: scaleY(0.35) translateX(-1.5px) rotate(-0.3deg);
  }
}

.glass-reflection {
  position: absolute;
  top: 15px;
  left: 12px;
  width: 15px;
  height: 80px;
  background: linear-gradient(180deg, 
    rgba(255, 255, 255, 0.5) 0%, 
    rgba(255, 255, 255, 0.1) 100%
  );
  border-radius: 8px;
  transform: skewX(-6deg);
  filter: blur(0.5px);
  z-index: 1;
}

.glass-highlight {
  position: absolute;
  top: 12px;
  right: 15px;
  width: 6px;
  height: 60px;
  background: linear-gradient(180deg, 
    rgba(255, 255, 255, 0.4) 0%, 
    rgba(255, 255, 255, 0.1) 100%
  );
  border-radius: 3px;
  filter: blur(0.5px);
  z-index: 1;
}

.glass-shadow {
  position: absolute;
  top: 20px;
  left: 8px;
  width: 10px;
  height: 70px;
  background: linear-gradient(180deg, 
    rgba(0, 0, 0, 0.03) 0%, 
    rgba(0, 0, 0, 0.1) 100%
  );
  border-radius: 5px;
  transform: skewX(4deg);
  z-index: 1;
}

.glass-label {
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
  text-align: center;
}

/* Water Stream (for pour animation) */
.water-stream {
  position: absolute;
  top: 100px;
  left: 50%;
  transform: translateX(-50%);
  width: 8px;
  height: 0;
  background: linear-gradient(180deg, 
    var(--primary-light) 0%, 
    var(--primary) 100%
  );
  border-radius: 4px;
  opacity: 0;
  transition: all var(--transition-base);
}

.water-stream.active {
  height: 150px;
  opacity: 1;
}

/* Progress Info */
.progress-info {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin: var(--spacing-xl) 0;
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  border-radius: var(--radius-xl);
  border: 2px solid var(--border);
  box-shadow: var(--shadow-md);
}

.progress-item {
  text-align: center;
  padding: var(--spacing-md);
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.progress-item:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: var(--shadow-md);
}

.progress-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-xs);
}

.progress-value {
  display: block;
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Notification Status */
.notification-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
  padding: var(--spacing-md) var(--spacing-lg);
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  border-radius: var(--radius-xl);
  border: 2px solid var(--border);
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.notification-status:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.notification-status svg {
  color: var(--primary);
  animation: pulse-icon 2s ease-in-out infinite;
}

@keyframes pulse-icon {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

/* Error Message */
.error-message {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  color: white;
  padding: 20px 32px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl), 0 0 30px rgba(239, 68, 68, 0.4);
  font-size: 16px;
  font-weight: 600;
  z-index: 1000;
  animation: error-shake 0.5s cubic-bezier(0.36, 0.07, 0.19, 0.97);
  display: none;
}

.error-message.show {
  display: block;
  animation: error-shake 0.5s cubic-bezier(0.36, 0.07, 0.19, 0.97), error-fade 2.5s ease-in-out forwards;
}

@keyframes error-shake {
  0%, 100% {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  20% {
    transform: translate(-50%, -50%) rotate(-3deg);
  }
  40% {
    transform: translate(-50%, -50%) rotate(3deg);
  }
  60% {
    transform: translate(-50%, -50%) rotate(-2deg);
  }
  80% {
    transform: translate(-50%, -50%) rotate(2deg);
  }
}

@keyframes error-fade {
  0% {
    opacity: 1;
  }
  70% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}

/* Confirmation Popup */
.confirm-popup {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-secondary) 100%);
  padding: var(--spacing-xl);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl), 0 0 40px rgba(0, 0, 0, 0.3);
  z-index: 1000;
  min-width: 320px;
  display: none;
  border: 2px solid var(--border);
}

.confirm-popup.show {
  display: block;
  animation: popup-appear 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes popup-appear {
  0% {
    transform: translate(-50%, -50%) scale(0.8);
    opacity: 0;
  }
  100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
}

.confirm-popup-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.confirm-popup-message {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.5;
}

.confirm-popup-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
}

.confirm-popup-btn {
  padding: 10px 20px;
  border-radius: var(--radius-lg);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
}

.confirm-popup-btn-cancel {
  background: var(--bg-primary);
  color: var(--text-secondary);
  border: 2px solid var(--border);
}

.confirm-popup-btn-cancel:hover {
  background: var(--bg-secondary);
  border-color: var(--primary);
  color: var(--primary);
}

.confirm-popup-btn-confirm {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  box-shadow: var(--shadow-md);
}

.confirm-popup-btn-confirm:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

/* Overlay */
.popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 999;
  display: none;
}

.popup-overlay.show {
  display: block;
}

/* Responsive Design */
@media (max-width: 640px) {
  .screen {
    padding: var(--spacing-md);
  }
  
  .onboarding-container,
  .tracker-container {
    padding: var(--spacing-lg);
  }
  
  .scene {
    flex-direction: column;
    gap: var(--spacing-lg);
    min-height: auto;
  }
  
  .progress-info {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
  
  .progress-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-light);
  }
  
  .progress-item:last-child {
    border-bottom: none;
  }
}