/* ================================
   DARK THEMED BEER TIER LIST
   Modern CSS with Advanced Animations
   ================================ */

/* CSS Custom Properties for Dark Theme */
:root {
  /* Dark Color Palette */
  --primary-bg: #0a0a0a;
  --secondary-bg: #1a1a1a;
  --tertiary-bg: #2a2a2a;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);

  /* Accent Colors */
  --accent-primary: #ff6b6b;
  --accent-secondary: #4ecdc4;
  --accent-tertiary: #45b7d1;
  --accent-gold: #f39c12;

  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.8);
  --text-muted: rgba(255, 255, 255, 0.6);
  --text-dark: #2c3e50;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--accent-primary) 0%, #ee5a24 100%);
  --gradient-secondary: linear-gradient(135deg, var(--accent-secondary) 0%, var(--accent-tertiary) 100%);
  --gradient-gold: linear-gradient(135deg, var(--accent-gold) 0%, #e67e22 100%);
  --gradient-bg: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 20px rgba(255, 107, 107, 0.3);

  /* Borders */
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;

  /* Transitions */
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;

  /* Navigation background RGB values for transparency */
  --nav-bg-rgb: 10, 10, 10;
}

/* Light Theme Variables */
[data-theme="light"] {
  /* Light Color Palette */
  --primary-bg: #ffffff;
  --secondary-bg: #f8f9fa;
  --tertiary-bg: #e9ecef;
  --glass-bg: rgba(0, 0, 0, 0.05);
  --glass-border: rgba(0, 0, 0, 0.1);

  /* Text Colors */
  --text-primary: #212529;
  --text-secondary: rgba(33, 37, 41, 0.8);
  --text-muted: rgba(33, 37, 41, 0.6);

  /* Shadows for light mode */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);

  /* Navigation background RGB values for light mode */
  --nav-bg-rgb: 255, 255, 255;
}

/* ================================
   RESET & BASE STYLES
   ================================ */

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

*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--primary-bg);
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}

/* Smooth scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--secondary-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--glass-border);
  border-radius: 4px;
  transition: var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ================================
   ANIMATED BACKGROUND
   ================================ */

.bg-particles {
  position: fixed;
  top: -10%;
  left: -10%;
  width: 120%;
  height: 120%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
  background:
    radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.15) 0%, transparent 60%),
    radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.15) 0%, transparent 60%),
    radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.15) 0%, transparent 60%),
    radial-gradient(circle at 60% 80%, rgba(255, 159, 67, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 90% 60%, rgba(123, 237, 159, 0.1) 0%, transparent 50%);
  animation: particlesMove 25s ease-in-out infinite;
}

.bg-particles::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200"><circle cx="40" cy="40" r="1.5" fill="rgba(255,255,255,0.08)"/><circle cx="160" cy="80" r="1" fill="rgba(255,255,255,0.05)"/><circle cx="80" cy="160" r="2" fill="rgba(255,255,255,0.06)"/><circle cx="140" cy="20" r="0.8" fill="rgba(255,255,255,0.04)"/><circle cx="20" cy="140" r="1.2" fill="rgba(255,255,255,0.07)"/><circle cx="100" cy="100" r="0.6" fill="rgba(255,255,255,0.03)"/><circle cx="180" cy="180" r="1.8" fill="rgba(255,255,255,0.05)"/></svg>') repeat;
  animation: sparkle 20s linear infinite;
}

@keyframes particlesMove {
  0% {
    transform: translate(0, 0) scale(1);
    opacity: 0.4;
  }
  33% {
    transform: translate(20px, -15px) scale(1.05);
    opacity: 0.6;
  }
  66% {
    transform: translate(-15px, 10px) scale(0.95);
    opacity: 0.5;
  }
  100% {
    transform: translate(0, 0) scale(1);
    opacity: 0.4;
  }
}

@keyframes sparkle {
  0% {
    transform: translate(0, 0);
    opacity: 0.3;
  }
  50% {
    transform: translate(-50px, -30px);
    opacity: 0.8;
  }
  100% {
    transform: translate(-200px, 0);
    opacity: 0.3;
  }
}

/* ================================
   MAIN CONTAINER
   ================================ */

.main-container {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ================================
   NAVIGATION BAR
   ================================ */

.nav-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  background: rgba(var(--nav-bg-rgb), 0.9);
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: var(--space-lg);
  animation: slideDown 0.6s ease-out;
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav-icon {
  font-size: 1.5rem;
  color: var(--accent-primary);
  animation: pulse 2s infinite;
}

.nav-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  border: none;
  border-radius: var(--border-radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  background: var(--glass-bg);
  color: var(--text-secondary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.nav-btn:hover {
  transform: translateY(-2px);
  background: var(--glass-border);
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
}

.nav-btn-primary {
  background: var(--gradient-primary);
  color: white;
  border: none;
  box-shadow: var(--shadow-glow);
}

.nav-btn-primary:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 0 30px rgba(255, 107, 107, 0.5);
}

.nav-btn-secondary {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
}

/* ================================
   HERO SECTION
   ================================ */

.hero-section {
  text-align: center;
  padding: var(--space-xl) 0;
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.8s ease-out;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.hero-icon {
  font-size: 4rem;
  animation: bounce 2s infinite;
}

.hero-text {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 4px 8px rgba(255, 107, 107, 0.3);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  max-width: 800px;
  margin: 0 auto;
}

.stat-item {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  transition: var(--transition-smooth);
  animation: fadeInUp 0.6s ease-out backwards;
}

.stat-item:nth-child(1) { animation-delay: 0.1s; }
.stat-item:nth-child(2) { animation-delay: 0.2s; }
.stat-item:nth-child(3) { animation-delay: 0.3s; }

.stat-item:hover {
  transform: translateY(-5px);
  background: var(--glass-border);
  box-shadow: var(--shadow-lg);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  word-wrap: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Page Header (for admin page) */
.page-header {
  text-align: center;
  padding: var(--space-lg) 0;
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.8s ease-out;
}

.header-content {
  max-width: 600px;
  margin: 0 auto;
}

.header-icon {
  font-size: 3rem;
  color: var(--accent-primary);
  margin-bottom: var(--space-md);
  animation: pulse 2s infinite;
}

.page-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 500px;
  margin: 0 auto;
}

/* ================================
   MAIN CONTENT
   ================================ */

.main-content {
  flex: 1;
  margin-bottom: var(--space-xl);
}

/* ================================
   CONTROLS SECTION
   ================================ */

.controls-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease-out;
}

.search-container {
  position: relative;
  flex: 1;
  max-width: 400px;
}

.search-icon {
  position: absolute;
  left: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  z-index: 2;
}

.search-input {
  width: 100%;
  padding: var(--space-md) var(--space-md) var(--space-md) 3rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  backdrop-filter: blur(10px);
  transition: var(--transition-smooth);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.1);
  background: var(--glass-border);
}

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

.filter-controls {
  display: flex;
  gap: var(--space-sm);
}

.filter-select {
  padding: var(--space-sm) var(--space-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  backdrop-filter: blur(10px);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.filter-select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.1);
}

/* Fix dropdown option visibility */
.filter-select option,
.form-select option {
  background: var(--secondary-bg);
  color: var(--text-primary);
  padding: var(--space-sm);
  border: none;
}

.filter-select option:hover,
.form-select option:hover,
.filter-select option:checked,
.form-select option:checked {
  background: var(--accent-primary);
  color: white;
}

/* ================================
   LOADING STATES
   ================================ */

.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
}

.loading-spinner {
  position: relative;
  width: 80px;
  height: 80px;
  margin-bottom: var(--space-lg);
}

.spinner-ring {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 3px solid transparent;
  border-radius: 50%;
  animation: spin 1.5s linear infinite;
}

.spinner-ring:nth-child(1) {
  border-top-color: var(--accent-primary);
  animation-delay: 0s;
}

.spinner-ring:nth-child(2) {
  border-right-color: var(--accent-secondary);
  animation-delay: -0.5s;
}

.spinner-ring:nth-child(3) {
  border-bottom-color: var(--accent-tertiary);
  animation-delay: -1s;
}

.loading-text {
  font-size: 1.1rem;
  color: var(--text-secondary);
  animation: pulse 2s infinite;
}

/* ================================
   ERROR & EMPTY STATES
   ================================ */

.error-state,
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(10px);
  margin: var(--space-lg) 0;
}

.error-icon,
.empty-icon {
  font-size: 4rem;
  margin-bottom: var(--space-lg);
  animation: pulse 2s infinite;
}

.error-icon {
  color: var(--accent-primary);
}

.empty-icon {
  color: var(--accent-secondary);
}

.error-state h3,
.empty-state h2 {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.error-state p,
.empty-state p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  max-width: 500px;
}

.retry-btn,
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: var(--border-radius-md);
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-glow);
}

.retry-btn:hover,
.cta-btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 0 30px rgba(255, 107, 107, 0.5);
}

/* ================================
   BEER GRID
   ================================ */

.beer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: var(--space-lg);
  padding: var(--space-lg) 0;
}

.beer-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  animation: fadeInUp 0.6s ease-out backwards;
}

.beer-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

.beer-card:hover {
  transform: translateY(-8px) scale(1.02);
  background: var(--glass-border);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent-primary);
}

.beer-header {
  margin-bottom: var(--space-md);
}

.beer-name {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
  line-height: 1.3;
}

.beer-brewery {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 500;
  opacity: 0.9;
}

.beer-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.beer-detail {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.beer-detail-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.beer-detail-value {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 500;
}

.beer-rating {
  text-align: center;
  padding: var(--space-md);
  border-radius: var(--border-radius-md);
  margin: var(--space-md) 0;
  position: relative;
  overflow: hidden;
}

.beer-rating::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  animation: shimmer 3s infinite;
}

.rating-value {
  font-size: 2.2rem;
  font-weight: 700;
  color: white;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  margin-bottom: var(--space-xs);
}

.rating-label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.9);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.beer-notes {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  font-style: italic;
  padding: var(--space-md) 0;
  border-top: 1px solid var(--glass-border);
  margin-top: var(--space-md);
}

.beer-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: right;
  margin-top: var(--space-md);
  opacity: 0.8;
}

/* ================================
   MODERN FORM STYLES
   ================================ */

.form-container {
  max-width: 800px;
  margin: 0 auto;
  animation: fadeInUp 0.8s ease-out;
}

.modern-form {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-xl);
}

.form-section {
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.6s ease-out backwards;
}

.form-section:nth-child(1) { animation-delay: 0.1s; }
.form-section:nth-child(2) { animation-delay: 0.2s; }
.form-section:nth-child(3) { animation-delay: 0.3s; }
.form-section:nth-child(4) { animation-delay: 0.4s; }

.section-title {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--glass-border);
}

.section-title i {
  color: var(--accent-primary);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
}

.input-group {
  margin-bottom: var(--space-md);
}

.input-wrapper,
.select-wrapper,
.textarea-wrapper,
.rating-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  z-index: 2;
  transition: var(--transition-fast);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-md) var(--space-md) var(--space-md) 3rem;
  background: var(--glass-bg);
  border: 2px solid var(--glass-border);
  border-radius: var(--border-radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition-smooth);
  backdrop-filter: blur(10px);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: var(--glass-border);
  box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.1);
}

.form-input:focus + .floating-label,
.form-select:focus + .floating-label,
.form-textarea:focus + .floating-label,
.form-input:not(:placeholder-shown) + .floating-label,
.form-select:not([value=""]) + .floating-label,
.form-textarea:not(:placeholder-shown) + .floating-label {
  transform: translateY(-28px) translateX(-12px) scale(0.85);
  color: var(--accent-primary);
  background: var(--primary-bg);
  padding: 0 var(--space-xs);
}

.form-input:focus ~ .input-icon,
.form-select:focus ~ .input-icon,
.form-textarea:focus ~ .textarea-icon {
  color: var(--accent-primary);
}

.floating-label {
  position: absolute;
  left: 3rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition-smooth);
  pointer-events: none;
  background: transparent;
  z-index: 1;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  padding-top: var(--space-lg);
}

.textarea-wrapper .floating-label {
  top: var(--space-lg);
  transform: translateY(0);
}

.textarea-wrapper .form-textarea:focus + .floating-label,
.textarea-wrapper .form-textarea:not(:placeholder-shown) + .floating-label {
  transform: translateY(-28px) translateX(-12px) scale(0.85);
}

.char-counter {
  position: absolute;
  bottom: var(--space-xs);
  right: var(--space-sm);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.rating-wrapper {
  position: relative;
}

.rating-input {
  padding-right: 4rem !important;
}

.rating-display {
  position: absolute;
  right: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-primary);
  min-width: 3rem;
  text-align: center;
}

/* ================================
   FORM ACTIONS
   ================================ */

.form-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin-top: var(--space-xl);
  flex-wrap: wrap;
}

.submit-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md) var(--space-xl);
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: var(--border-radius-md);
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-glow);
  min-width: 180px;
  overflow: hidden;
}

.submit-btn:hover:not(:disabled) {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 0 30px rgba(255, 107, 107, 0.5);
}

.submit-btn:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

.btn-content {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  transition: var(--transition-fast);
}

.btn-loading {
  position: absolute;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition-fast);
}

.submit-btn.loading .btn-content {
  opacity: 0;
  transform: translateY(-20px);
}

.submit-btn.loading .btn-loading {
  opacity: 1;
  transform: translateY(0);
}

.loading-dots {
  display: flex;
  gap: 2px;
}

.loading-dots .dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: white;
  animation: loadingDot 1.4s infinite ease-in-out;
}

.loading-dots .dot:nth-child(1) { animation-delay: -0.32s; }
.loading-dots .dot:nth-child(2) { animation-delay: -0.16s; }
.loading-dots .dot:nth-child(3) { animation-delay: 0s; }

.reset-btn {
  padding: var(--space-md) var(--space-lg);
  background: var(--glass-bg);
  color: var(--text-secondary);
  border: 2px solid var(--glass-border);
  border-radius: var(--border-radius-md);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-smooth);
  backdrop-filter: blur(10px);
}

.reset-btn:hover {
  background: var(--glass-border);
  color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ================================
   MESSAGE CONTAINER
   ================================ */

.message-container {
  margin-top: var(--space-lg);
  padding: var(--space-md);
  border-radius: var(--border-radius-md);
  backdrop-filter: blur(10px);
  animation: messageSlide 0.5s ease-out;
}

.message-container.success {
  background: rgba(76, 175, 80, 0.1);
  border: 1px solid rgba(76, 175, 80, 0.3);
}

.message-container.error {
  background: rgba(244, 67, 54, 0.1);
  border: 1px solid rgba(244, 67, 54, 0.3);
}

.message-content {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.message-icon {
  font-size: 1.2rem;
}

.message-container.success .message-icon::before {
  content: '\f058';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  color: #4caf50;
}

.message-container.error .message-icon::before {
  content: '\f071';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  color: #f44336;
}

.message-text {
  font-weight: 500;
  color: var(--text-primary);
}

/* ================================
   FOOTER
   ================================ */

.footer {
  margin-top: auto;
  padding: var(--space-lg) 0;
  text-align: center;
  border-top: 1px solid var(--glass-border);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.footer-text {
  color: var(--text-muted);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.footer-icon {
  color: var(--accent-primary);
  animation: pulse 2s infinite;
}

.footer-links {
  display: flex;
  gap: var(--space-md);
}

.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.footer-link:hover {
  color: var(--accent-primary);
}

/* ================================
   FLOATING ACTION BUTTON
   ================================ */

.fab-container {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  z-index: 1000;
}

.fab {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-primary);
  border: none;
  color: white;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  justify-content: center;
}

.fab:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-xl);
}

/* ================================
   ANIMATIONS
   ================================ */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes bounce {
  0%, 20%, 53%, 80%, 100% {
    transform: translate3d(0, 0, 0);
  }
  40%, 43% {
    transform: translate3d(0, -8px, 0);
  }
  70% {
    transform: translate3d(0, -4px, 0);
  }
  90% {
    transform: translate3d(0, -2px, 0);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.05);
  }
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes shimmer {
  0% {
    left: -100%;
  }
  50%, 100% {
    left: 100%;
  }
}

@keyframes messageSlide {
  from {
    opacity: 0;
    transform: translateY(-10px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes loadingDot {
  0%, 80%, 100% {
    transform: scale(0);
    opacity: 0.5;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

/* ================================
   RESPONSIVE DESIGN
   ================================ */

@media (max-width: 1200px) {
  .main-container {
    padding: 0 var(--space-sm);
  }

  .beer-grid {
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  }
}

@media (max-width: 768px) {
  :root {
    --space-xs: 0.25rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
  }

  .nav-content {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .nav-actions {
    justify-content: center;
    flex-wrap: wrap;
  }

  .nav-btn span {
    display: none;
  }

  .hero-title {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .hero-icon {
    font-size: 3rem;
  }

  .hero-text {
    font-size: 2.5rem;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .controls-section {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-md);
  }

  .filter-controls {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .search-container {
    max-width: none;
  }

  .beer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .modern-form {
    padding: var(--space-lg);
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .form-actions {
    flex-direction: column;
    align-items: center;
  }

  .submit-btn,
  .reset-btn {
    width: 100%;
    max-width: 300px;
  }

  .footer-content {
    flex-direction: column;
    gap: var(--space-md);
  }

  .fab-container {
    bottom: var(--space-md);
    right: var(--space-md);
  }
}

@media (max-width: 480px) {
  .main-container {
    padding: 0 var(--space-xs);
  }

  .hero-text {
    font-size: 2rem;
  }

  .stat-number {
    font-size: 2rem;
  }

  .beer-card {
    padding: var(--space-md);
  }

  .modern-form {
    padding: var(--space-md);
  }

  .form-input,
  .form-select,
  .form-textarea {
    padding-left: 2.5rem;
  }

  .input-icon {
    left: var(--space-sm);
  }

  .floating-label {
    left: 2.5rem;
  }
}

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

  .bg-particles {
    animation: none;
    opacity: 0.2;
  }

  .bg-particles::before {
    animation: none;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  :root {
    --glass-bg: rgba(255, 255, 255, 0.15);
    --glass-border: rgba(255, 255, 255, 0.3);
    --text-secondary: rgba(255, 255, 255, 0.9);
    --text-muted: rgba(255, 255, 255, 0.8);
  }
}