:root{
  /* Modern Color Palette */
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-200: #bfdbfe;
  --primary-300: #93c5fd;
  --primary-400: #60a5fa;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-800: #1e40af;
  --primary-900: #1e3a8a;
  
  --secondary-50: #f0fdf4;
  --secondary-100: #dcfce7;
  --secondary-200: #bbf7d0;
  --secondary-300: #86efac;
  --secondary-400: #4ade80;
  --secondary-500: #22c55e;
  --secondary-600: #16a34a;
  --secondary-700: #15803d;
  --secondary-800: #166534;
  --secondary-900: #14532d;
  
  --accent-50: #fdf2f8;
  --accent-100: #fce7f3;
  --accent-200: #fbcfe8;
  --accent-300: #f9a8d4;
  --accent-400: #f472b6;
  --accent-500: #ec4899;
  --accent-600: #db2777;
  --accent-700: #be185d;
  --accent-800: #9d174d;
  --accent-900: #831843;
  
  --neutral-50: #fafafa;
  --neutral-100: #f5f5f5;
  --neutral-200: #e5e5e5;
  --neutral-300: #d4d4d4;
  --neutral-400: #a3a3a3;
  --neutral-500: #737373;
  --neutral-600: #525252;
  --neutral-700: #404040;
  --neutral-800: #262626;
  --neutral-900: #171717;
  
  /* Spacing & Sizing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Border Radius */
  --radius-xs: 0.25rem;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  
  /* Focus Ring */
  --focus-ring: 0 0 0 3px rgb(59 130 246 / 0.3);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Typography */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
}/* Reset & Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: 
    radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3), transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.15), transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(120, 219, 226, 0.1), transparent 50%),
    linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  background-attachment: fixed;
  min-height: 100vh;
  color: var(--neutral-800);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}/* Modern Glass Card Design */
.glass-card {
  position: relative;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-2xl);
  box-shadow: 
    0 8px 32px rgba(31, 38, 135, 0.12),
    0 4px 16px rgba(0, 0, 0, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.4);
  transition: all var(--transition-normal);
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
  pointer-events: none;
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: 
    0 20px 40px rgba(31, 38, 135, 0.16),
    0 8px 24px rgba(0, 0, 0, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
  border-color: rgba(59, 130, 246, 0.3);
}

.glass-card:focus-within {
  transform: translateY(-4px);
  box-shadow: 
    0 20px 40px rgba(59, 130, 246, 0.2),
    0 8px 24px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
  border-color: var(--primary-400);
}

/* Card Variants */
.card-primary {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(147, 197, 253, 0.05) 100%);
  border-color: rgba(59, 130, 246, 0.2);
}

.card-secondary {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.1) 0%, rgba(134, 239, 172, 0.05) 100%);
  border-color: rgba(34, 197, 94, 0.2);
}

.card-accent {
  background: linear-gradient(135deg, rgba(236, 72, 153, 0.1) 0%, rgba(249, 168, 212, 0.05) 100%);
  border-color: rgba(236, 72, 153, 0.2);
}/* Modern Form Controls */
.form-input, .form-select {
  width: 100%;
  padding: var(--space-md);
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--neutral-800);
  background: rgba(255, 255, 255, 0.9);
  border: 2px solid rgba(226, 232, 240, 0.5);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  outline: none;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-xs);
}

.form-input:hover, .form-select:hover {
  border-color: var(--primary-300);
  background: rgba(255, 255, 255, 0.95);
}

.form-input:focus, .form-select:focus {
  border-color: var(--primary-500);
  background: white;
  box-shadow: var(--focus-ring), var(--shadow-md);
  transform: translateY(-1px);
}

.form-input::placeholder {
  color: var(--neutral-400);
  font-style: italic;
  font-weight: 400;
}

/* Form Groups */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.form-group-row {
  display: flex;
  gap: var(--space-sm);
  align-items: end;
}

.form-group-row .form-input,
.form-group-row .form-select {
  flex: 1;
}

/* Form Labels */
.form-label {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--neutral-700);
  letter-spacing: 0.025em;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  transition: all var(--transition-fast);
}/* Enhanced Label Icons */
.form-label::before {
  font-size: 1.25rem;
  opacity: 0.8;
  transition: all var(--transition-fast);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
  transform-origin: center;
}

.form-label[data-field="school"]::before { content: "🎓"; }
.form-label[data-field="student-name"]::before { content: "👨🏻‍🎓"; }
.form-label[data-field="student-id"]::before { content: "🆔"; }
.form-label[data-field="dob"]::before { content: "🎂"; }
.form-label[data-field="course"]::before { content: "👨🏻‍💻"; }
.form-label[data-field="valid-to"]::before { content: "🕒"; }
.form-label[data-field="email"]::before { content: "📧"; }

.form-label:hover {
  color: var(--primary-600);
  transform: translateY(-1px);
}

.form-label:hover::before {
  opacity: 1;
  transform: scale(1.2) translateY(-1px);
  filter: drop-shadow(0 4px 8px rgba(59, 130, 246, 0.3));
}

.form-group:focus-within .form-label {
  color: var(--primary-600);
}

.form-group:focus-within .form-label::before {
  opacity: 1;
  transform: scale(1.2);
  filter: drop-shadow(0 4px 8px rgba(59, 130, 246, 0.4));
}

/* Modern Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
  min-height: 48px;
  user-select: none;
  outline: none;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.6s ease;
}

.btn:hover::before {
  left: 100%;
}

.btn:active {
  transform: translateY(1px);
}

.btn:focus {
  box-shadow: var(--focus-ring);
}

/* Button Variants */
.btn-primary {
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-500) 100%);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary-600) 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--secondary-600) 0%, var(--secondary-500) 100%);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, var(--secondary-700) 0%, var(--secondary-600) 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent-600) 0%, var(--accent-500) 100%);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-accent:hover {
  background: linear-gradient(135deg, var(--accent-700) 0%, var(--accent-600) 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.8);
  color: var(--neutral-700);
  border: 2px solid rgba(226, 232, 240, 0.5);
  backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.95);
  border-color: var(--primary-300);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-gradient {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 25%, #f093fb 50%, #f5576c 75%, #4facfe 100%);
  background-size: 300% 300%;
  color: white;
  animation: gradient-shift 3s ease infinite;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn-gradient:hover {
  animation: gradient-shift 1.5s ease infinite;
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}/* Modern File Upload */
input[type="file"] {
  display: none;
}

.file-upload-area {
  position: relative;
  border: 3px dashed rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  text-align: center;
  cursor: pointer;
  background: 
    radial-gradient(circle at center, rgba(59, 130, 246, 0.05) 0%, transparent 70%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 250, 252, 0.8) 100%);
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
  overflow: hidden;
}

.file-upload-area::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(59, 130, 246, 0.1) 50%, transparent 70%);
  background-size: 200% 200%;
  opacity: 0;
  transition: all var(--transition-normal);
  animation: shimmer 3s ease-in-out infinite;
}

.file-upload-area:hover {
  border-color: var(--primary-500);
  background: 
    radial-gradient(circle at center, rgba(59, 130, 246, 0.1) 0%, transparent 70%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(239, 246, 255, 0.9) 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.file-upload-area:hover::before {
  opacity: 1;
}

.file-upload-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--primary-600);
  cursor: pointer;
  padding: var(--space-md) var(--space-lg);
  background: rgba(59, 130, 246, 0.1);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.file-upload-label:hover {
  background: rgba(59, 130, 246, 0.15);
  transform: scale(1.05);
}

.upload-hint {
  margin-top: var(--space-md);
  font-size: var(--font-size-sm);
  color: var(--neutral-500);
  font-style: italic;
}

/* Face Selection Grid */
.face-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.face-option {
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  border: 3px solid transparent;
  transition: all var(--transition-fast);
  position: relative;
}

.face-option::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, rgba(59, 130, 246, 0.1), rgba(236, 72, 153, 0.1));
  opacity: 0;
  transition: all var(--transition-fast);
}

.face-option:hover {
  border-color: var(--primary-400);
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
}

.face-option:hover::before {
  opacity: 1;
}

.face-option.selected {
  border-color: var(--primary-500);
  box-shadow: 0 0 0 2px var(--primary-200);
}

.face-option img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}/* Special Components */
.ai-generator-btn {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.ai-generator-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.6s ease;
}

.ai-generator-btn:hover {
  background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.ai-generator-btn:hover::before {
  left: 100%;
}

.ai-generator-btn .ai-icon {
  font-size: 1.2rem;
  animation: ai-pulse 2s ease-in-out infinite;
  filter: drop-shadow(0 0 8px rgba(255, 215, 0, 0.6));
}

.ai-generator-btn.loading {
  background: linear-gradient(135deg, #94a3b8 0%, #64748b 100%);
  cursor: not-allowed;
  transform: none;
}

.ai-generator-btn.loading .ai-icon {
  animation: spin 1s linear infinite;
}

.ai-generator-btn.success {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.ai-generator-btn.error {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  animation: shake 0.5s ease-in-out;
}

@keyframes ai-pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.8;
  }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes shake {
  0%, 20%, 40%, 60%, 80% { transform: translateX(0); }
  10%, 30%, 50%, 70% { transform: translateX(-4px); }
  15%, 35%, 55%, 75% { transform: translateX(4px); }
}#download-btn,#random-color-btn,#copy-script-btn{position:relative;overflow:hidden;isolation:isolate;border:0;border-radius:.75rem;font-weight:700;letter-spacing:.3px;transition:.3s cubic-bezier(.4,0,.2,1);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:.5rem;min-height:48px;font-size:.9rem;text-transform:none;text-decoration:none}#download-btn{background:linear-gradient(135deg,#4f46e5,#3b82f6);color:#fff;box-shadow:0 4px 12px rgba(79,70,229,.3),0 2px 4px rgba(0,0,0,.1)}#download-btn:hover{background:linear-gradient(135deg,#4338ca,#2563eb);transform:translatey(-2px);box-shadow:0 6px 16px rgba(79,70,229,.4),0 4px 8px rgba(0,0,0,.15)}#random-color-btn{background:linear-gradient(135deg,#14b8a6,#06b6d4);color:#fff;box-shadow:0 4px 12px rgba(20,184,166,.3),0 2px 4px rgba(0,0,0,.1)}#random-color-btn:hover{background:linear-gradient(135deg,#0d9488,#0891b2);transform:translatey(-2px);box-shadow:0 6px 16px rgba(20,184,166,.4),0 4px 8px rgba(0,0,0,.15)}#copy-script-btn{background:linear-gradient(135deg,#374151,#1f2937);color:#fff;box-shadow:0 4px 12px rgba(55,65,81,.3),0 2px 4px rgba(0,0,0,.1)}#copy-script-btn:hover{background:linear-gradient(135deg,#1f2937,#111827);transform:translatey(-2px);box-shadow:0 6px 16px rgba(55,65,81,.4),0 4px 8px rgba(0,0,0,.15)}#download-btn:active,#random-color-btn:active,#copy-script-btn:active{transform:translatey(0);box-shadow:0 2px 6px rgba(0,0,0,.2)}#download-btn:focus,#random-color-btn:focus,#copy-script-btn:focus{outline:0;box-shadow:0 0 0 3px rgba(59,130,246,.3),0 4px 12px rgba(0,0,0,.2)}#random-all-btn{background:linear-gradient(135deg,#ff6b6b,#feca57,#48cae4,#06ffa5);background-size:300% 300%;color:#fff;font-weight:700;text-transform:uppercase;letter-spacing:1px;border:none;border-radius:12px;padding:12px 24px;position:relative;overflow:hidden;box-shadow:0 8px 30px rgba(255,107,107,.4);transition:all 0.4s cubic-bezier(.175,.885,.32,1);animation:gradient-flow 3s ease infinite;transform:translateY(0)}@keyframes gradient-flow{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}#random-all-btn::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);transition:left 0.6s}#random-all-btn:hover{transform:translateY(-3px);box-shadow:0 15px 40px rgba(255,107,107,.6);animation:gradient-flow 1.5s ease infinite}#random-all-btn:hover::before{left:100%}#random-all-btn:active{transform:translateY(-1px);box-shadow:0 8px 25px rgba(255,107,107,.5)}#random-all-btn:focus{outline:none;box-shadow:0 0 0 4px rgba(255,107,107,.3)}@keyframes sparkle{0%,100%{opacity:1;transform:translateY(-50%) scale(1)}50%{opacity:.7;transform:translateY(-50%) scale(1.2)}}#copy-email-btn,#copy-school-btn{background:linear-gradient(135deg,#f3f4f6,#e5e7eb);color:#374151;border:0;border-radius:.5rem;padding:.5rem;min-width:40px;min-height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.2s cubic-bezier(.4,0,.2,1);box-shadow:0 1px 3px rgba(0,0,0,.1),0 1px 2px rgba(0,0,0,.06)}#copy-email-btn:hover,#copy-school-btn:hover{background:linear-gradient(135deg,#e5e7eb,#d1d5db);transform:translatey(-1px);box-shadow:0 3px 6px rgba(0,0,0,.15),0 2px 4px rgba(0,0,0,.1)}#copy-email-btn:active,#copy-school-btn:active{transform:translatey(0);box-shadow:0 1px 2px rgba(0,0,0,.1)}#copy-email-btn:focus,#copy-school-btn:focus{outline:0;box-shadow:0 0 0 3px rgba(59,130,246,.3),0 1px 3px rgba(0,0,0,.1)}/* Enhanced Card Preview - Giữ nguyên chức năng, nâng cấp giao diện */
.card-preview-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

#card-canvas {
  width: 100%;
  max-width: 750px;
  aspect-ratio: 1125/634;
  height: auto;
  border-radius: 24px;
  background: 
    radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.1), transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(236, 72, 153, 0.08), transparent 50%),
    linear-gradient(145deg, #ffffff 0%, #f8fafc 50%, #f1f5f9 100%);
  border: 3px solid rgba(255, 255, 255, 0.8);
  box-shadow: 
    0 0 0 1px rgba(59, 130, 246, 0.1),
    0 20px 60px rgba(15, 23, 42, 0.08),
    0 8px 25px rgba(15, 23, 42, 0.04),
    inset 0 2px 4px rgba(255, 255, 255, 0.8);
  transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
  margin: 0 auto;
  display: block;
  position: relative;
  backdrop-filter: blur(2px);
  overflow: hidden;
}

#card-canvas::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border-radius: 28px;
  background: linear-gradient(
    135deg,
    rgba(59, 130, 246, 0.2) 0%,
    rgba(16, 185, 129, 0.15) 25%,
    rgba(236, 72, 153, 0.15) 50%,
    rgba(139, 92, 246, 0.2) 75%,
    rgba(59, 130, 246, 0.2) 100%
  );
  background-size: 400% 400%;
  opacity: 0;
  transition: all 0.5s ease;
  z-index: -1;
  animation: gradient-border 12s ease infinite;
}

#card-canvas::after {
  content: '';
  position: absolute;
  inset: 3px;
  border-radius: 21px;
  background: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.95) 0%,
    rgba(255, 255, 255, 0.7) 50%,
    rgba(255, 255, 255, 0.5) 100%
  );
  opacity: 0.4;
  pointer-events: none;
  z-index: 1;
}

#card-canvas:hover {
  box-shadow: 
    0 0 0 2px rgba(59, 130, 246, 0.3),
    0 32px 80px rgba(15, 23, 42, 0.18),
    0 16px 40px rgba(15, 23, 42, 0.12),
    inset 0 4px 8px rgba(255, 255, 255, 0.9);
  transform: translateY(-8px) scale(1.02);
  border-color: rgba(59, 130, 246, 0.4);
}

#card-canvas:hover::before {
  opacity: 1;
  background-size: 200% 200%;
}

.card-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  width: 100%;
  max-width: 400px;
}

@keyframes gradient-border {
  0%, 100% {
    background-position: 0% 50%;
  }
  20% {
    background-position: 100% 0%;
  }
  40% {
    background-position: 100% 100%;
  }
  60% {
    background-position: 0% 100%;
  }
  80% {
    background-position: 0% 0%;
  }
}

@keyframes shimmer {
  0% {
    background-position: -200px 0;
  }
  100% {
    background-position: calc(200px + 100%) 0;
  }
}

@keyframes gradient-shift {
  0%, 100% {
    background-position: 0% 50%;
  }
  25% {
    background-position: 100% 0%;
  }
  50% {
    background-position: 100% 100%;
  }
  75% {
    background-position: 0% 100%;
  }
}.random-faces-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;margin-top:12px;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;font-weight:600;font-size:14px;border:none;border-radius:8px;cursor:pointer;transition:all 0.3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 12px rgba(102,126,234,.4);position:relative;overflow:hidden}.random-faces-btn::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left 0.6s}.random-faces-btn:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(102,126,234,.5);background:linear-gradient(135deg,#5a67d8 0%,#6b46c1 100%)}.random-faces-btn:hover::before{left:100%}.random-faces-btn:active{transform:translateY(0);box-shadow:0 2px 8px rgba(102,126,234,.3)}.random-faces-btn:focus{outline:none;box-shadow:0 4px 12px rgba(102,126,234,.4),0 0 0 3px rgba(102,126,234,.2)}.random-faces-btn svg{transition:transform 0.3s ease}.random-faces-btn:hover svg{transform:scale(1.1) rotate(5deg)}.random-faces-btn span{position:relative;z-index:1}.random-faces-btn.loading{background:linear-gradient(135deg,#94a3b8 0%,#64748b 100%);cursor:not-allowed;transform:none}.random-faces-btn.loading svg{animation:spin 1s linear infinite}.random-faces-btn.success{background:linear-gradient(135deg,#10b981 0%,#059669 100%)}.random-faces-btn.error{background:linear-gradient(135deg,#ef4444 0%,#dc2626 100%);animation:shake 0.5s ease-in-out}@keyframes spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}@keyframes shake{0%,20%,40%,60%,80%{transform:translateX(0)}10%,30%,50%,70%{transform:translateX(-4px)}15%,35%,55%,75%{transform:translateX(4px)}}.ai-icon{display:inline-block;margin-right:6px;font-size:16px;animation:ai-pulse 2s ease-in-out infinite;filter:drop-shadow(0 0 8px rgba(255,215,0,.6));color:gold}@keyframes ai-pulse{0%,100%{background-position:0% 50%;transform:scale(1)}25%{background-position:100% 50%;transform:scale(1.1)}50%{background-position:100% 0%;transform:scale(1.05)}75%{background-position:0% 100%;transform:scale(1.08)}}.random-faces-btn:hover .ai-icon{animation:ai-pulse 1s ease-in-out infinite;filter:drop-shadow(0 0 12px rgba(102,126,234,.6))}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:20px;border:2px solid #f1f5f9}::-webkit-scrollbar-thumb:hover{background:#94a3b8}[role=alert]{border-left-width:6px;box-shadow:var(--shadow-xs)}@keyframes fadein{from{opacity:0;transform:translatey(8px)}to{opacity:1;transform:translatey(0)}}@keyframes slideInFromLeft{0%{opacity:0;transform:translateX(-50px)}100%{opacity:1;transform:translateX(0)}}@keyframes slideInFromRight{0%{opacity:0;transform:translateX(50px)}100%{opacity:1;transform:translateX(0)}}@keyframes slideInFromBottom{0%{opacity:0;transform:translateY(30px)}100%{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.8)}100%{opacity:1;transform:scale(1)}}@keyframes glow{0%,100%{box-shadow:0 0 5px rgba(99,102,241,.3)}50%{box-shadow:0 0 20px rgba(99,102,241,.6),0 0 30px rgba(99,102,241,.4)}}@keyframes shimmer{0%{background-position:-200px 0}100%{background-position:calc(200px + 100%) 0}}@keyframes pulse-glow{0%,100%{box-shadow:0 4px 15px rgba(99,102,241,.2);transform:scale(1)}50%{box-shadow:0 8px 25px rgba(99,102,241,.4);transform:scale(1.02)}}@keyframes gradient-shift{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}@keyframes diceSpin{0%{transform:rotate(0deg) scale(1)}25%{transform:rotate(90deg) scale(1.1)}50%{transform:rotate(180deg) scale(1.2)}75%{transform:rotate(270deg) scale(1.1)}100%{transform:rotate(360deg) scale(1)}}.animate-fade-in{animation:fadein 0.6s ease-out forwards}.animate-slide-left{animation:slideInFromLeft 0.8s ease-out forwards}.animate-slide-right{animation:slideInFromRight 0.8s ease-out forwards}.animate-slide-bottom{animation:slideInFromBottom 0.6s ease-out forwards}.animate-scale-in{animation:scaleIn 0.5s ease-out forwards}.animate-glow{animation:glow 2s ease-in-out infinite alternate}.animate-pulse-glow{animation:pulse-glow 2s ease-in-out infinite}.animate-gradient{background:linear-gradient(-45deg,#667eea,#764ba2,#f093fb,#f5576c);background-size:400% 400%;animation:gradient-shift 3s ease infinite}.dice-spin{animation:diceSpin 0.8s ease-in-out}.title-glow{background:linear-gradient(45deg,#00d4ff,#5b73ff,#ff006e,#fb5607,#ffbe0b);background-size:300% 300%;background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;animation:gradientShift 4s ease-in-out infinite;text-shadow:0 0 30px rgba(91,115,255,.5);filter:drop-shadow(0 4px 8px rgba(0,212,255,.3))}.title-enhanced{background:linear-gradient(135deg,#667eea 0%,#764ba2 25%,#f093fb 50%,#f5576c 75%,#4facfe 100%);background-size:400% 400%;background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;animation:gradientShift 6s ease-in-out infinite;position:relative}.title-enhanced::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,#667eea,#764ba2,#f093fb,#f5576c,#4facfe);background-size:400% 400%;animation:gradientShift 6s ease-in-out infinite;filter:blur(20px);opacity:.3;z-index:-1}@keyframes gradientShift{0%,100%{background-position:0% 50%}25%{background-position:100% 0%}50%{background-position:100% 100%}75%{background-position:0% 100%}}.signature{font-family:"Bradley Hand","Segoe Script","Alex Brush","Brush Script MT","Quick Signature Personal Use",cursive}.card-shadow{box-shadow:0 10px 15px -3px rgb(0 0 0/.1),0 4px 6px -4px rgb(0 0 0/.1)}

/* Modern Footer Styles */
.modern-footer {
  margin-top: var(--space-3xl);
  background: linear-gradient(135deg, 
    rgba(15, 23, 42, 0.95) 0%, 
    rgba(30, 41, 59, 0.98) 50%, 
    rgba(51, 65, 85, 0.95) 100%);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  color: var(--neutral-100);
  position: relative;
  overflow: hidden;
}

.modern-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent, 
    rgba(59, 130, 246, 0.5), 
    rgba(236, 72, 153, 0.3), 
    rgba(59, 130, 246, 0.5), 
    transparent);
  animation: shimmer 3s ease-in-out infinite;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-md) var(--space-lg);
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand {
  max-width: 400px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.logo-icon {
  font-size: 2rem;
  background: linear-gradient(135deg, var(--primary-400), var(--secondary-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 10px rgba(59, 130, 246, 0.3));
}

.brand-text {
  font-size: var(--font-size-xl);
  font-weight: 700;
  background: linear-gradient(135deg, var(--neutral-100), var(--neutral-300));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-description {
  color: var(--neutral-300);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
  font-size: var(--font-size-base);
}

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

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  color: var(--neutral-300);
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
}

.social-link:hover {
  background: rgba(59, 130, 246, 0.15);
  border-color: var(--primary-400);
  color: var(--primary-300);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.2);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
}

.link-group {
  display: flex;
  flex-direction: column;
}

.group-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--neutral-100);
  margin-bottom: var(--space-lg);
  position: relative;
}

.group-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 30px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-400), var(--secondary-400));
  border-radius: var(--radius-full);
}

.link-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.link-list li {
  margin-bottom: var(--space-sm);
}

.footer-link {
  color: var(--neutral-400);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
  display: inline-block;
  position: relative;
}

.footer-link::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--primary-400);
  transition: width var(--transition-fast);
}

.footer-link:hover {
  color: var(--primary-300);
  transform: translateX(4px);
}

.footer-link:hover::before {
  width: 100%;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.copyright {
  color: var(--neutral-400);
  font-size: var(--font-size-sm);
}

.highlight {
  background: linear-gradient(135deg, var(--primary-400), var(--secondary-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 600;
}

.footer-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: var(--font-size-sm);
  color: var(--neutral-500);
}

.version {
  background: rgba(59, 130, 246, 0.1);
  color: var(--primary-300);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: var(--font-size-xs);
}

.separator {
  color: var(--neutral-600);
}

.meta-link {
  color: var(--neutral-500);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.meta-link:hover {
  color: var(--primary-300);
}

/* Footer Responsive Design */
@media (max-width: 1024px) {
  .footer-main {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
  }
}

@media (max-width: 768px) {
  .footer-content {
    padding: var(--space-2xl) var(--space-md) var(--space-lg);
  }
  
  .footer-links {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: var(--space-sm);
  }
  
  .footer-meta {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .social-links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .brand-logo {
    flex-direction: column;
    text-align: center;
    gap: var(--space-sm);
  }
  
  .social-links {
    justify-content: center;
    gap: var(--space-sm);
  }
  
  .social-link {
    width: 40px;
    height: 40px;
  }
}#auto-verify-btn{background:linear-gradient(135deg,#10b981 0%,#059669 50%,#047857 100%);border:none;border-radius:16px;color:#fff;font-weight:700;padding:16px 24px;font-size:16px;display:flex;align-items:center;justify-content:center;gap:12px;transition:all 0.3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden;box-shadow:0 8px 25px rgba(16,185,129,.3),0 4px 10px rgba(0,0,0,.1);text-transform:none;letter-spacing:.025em;min-height:56px;width:100%}#auto-verify-btn::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);transition:left 0.8s ease}#auto-verify-btn:hover{transform:translateY(-2px);box-shadow:0 12px 35px rgba(16,185,129,.4),0 6px 15px rgba(0,0,0,.15);background:linear-gradient(135deg,#059669 0%,#047857 50%,#065f46 100%)}#auto-verify-btn:hover::before{left:100%}#auto-verify-btn:active{transform:translateY(0);box-shadow:0 6px 20px rgba(16,185,129,.35),0 3px 8px rgba(0,0,0,.12)}#auto-verify-btn svg{width:20px;height:20px;stroke-width:2.5;filter:drop-shadow(0 1px 3px rgba(16,185,129,.4));animation:sparkle-glow 3s ease-in-out infinite}#auto-verify-btn .rocket-emoji{font-size:18px;filter:drop-shadow(0 1px 3px rgba(0,0,0,.3));animation:rocket-pulse 2s ease-in-out infinite}@keyframes rocket-pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.1) rotate(5deg)}}@keyframes sparkle-glow{0%,100%{filter:drop-shadow(0 1px 3px rgba(16,185,129,.4));transform:rotate(0deg)}25%{filter:drop-shadow(0 2px 8px rgba(16,185,129,.8));transform:rotate(90deg)}50%{filter:drop-shadow(0 3px 12px rgba(16,185,129,1));transform:rotate(180deg)}75%{filter:drop-shadow(0 2px 8px rgba(16,185,129,.8));transform:rotate(270deg)}}.auto-verify-popup{position:fixed;top:24px;right:24px;min-width:380px;max-width:420px;background:linear-gradient(135deg,#ffffff 0%,#f8fafc 100%);border-radius:20px;box-shadow:0 25px 50px -12px rgba(0,0,0,.25),0 0 0 1px rgba(255,255,255,.05),inset 0 1px 0 rgba(255,255,255,.1);border:1px solid rgba(226,232,240,.8);backdrop-filter:blur(20px);z-index:9999;opacity:0;transform:translateX(100%) scale(.9) rotateY(45deg);transition:all 0.4s cubic-bezier(.34,1.56,.64,1);pointer-events:none}.auto-verify-popup.show{opacity:1;transform:translateX(0) scale(1) rotateY(0deg);pointer-events:auto}.auto-verify-popup .popup-header{padding:20px 24px 16px;border-bottom:1px solid rgba(226,232,240,.6);background:linear-gradient(135deg,rgba(255,255,255,.9) 0%,rgba(248,250,252,.9) 100%);border-radius:20px 20px 0 0;display:flex;align-items:center;gap:16px;position:relative}.auto-verify-popup .popup-header::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.8),transparent)}.auto-verify-popup .popup-icon{width:44px;height:44px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:600;position:relative;overflow:hidden;box-shadow:0 4px 12px rgba(0,0,0,.1)}.auto-verify-popup .popup-icon::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,rgba(255,255,255,.3) 0%,transparent 100%);border-radius:16px}.auto-verify-popup .popup-icon.loading{background:linear-gradient(135deg,#fef3c7 0%,#fde68a 100%);color:#d97706;animation:loading-pulse 2s ease-in-out infinite}.auto-verify-popup .popup-icon.success{background:linear-gradient(135deg,#d1fae5 0%,#a7f3d0 100%);color:#059669;animation:success-bounce 0.6s ease-out}.auto-verify-popup .popup-icon.error{background:linear-gradient(135deg,#fee2e2 0%,#fecaca 100%);color:#dc2626;animation:error-shake 0.5s ease-in-out}.auto-verify-popup .popup-icon.warning{background:linear-gradient(135deg,#fef3c7 0%,#fde68a 100%);color:#d97706;animation:warning-glow 1.5s ease-in-out infinite}.auto-verify-popup .popup-title{font-size:18px;font-weight:700;color:#111827;margin:0;background:linear-gradient(135deg,#111827 0%,#374151 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.auto-verify-popup .popup-content{padding:20px 24px}.auto-verify-popup .popup-message{font-size:14px;color:#4b5563;margin:0 0 12px 0;line-height:1.5}.auto-verify-popup .popup-details{background:#f9fafb;border-radius:8px;padding:12px;margin-top:12px}.auto-verify-popup .popup-detail-item{display:flex;justify-content:space-between;align-items:center;padding:4px 0;font-size:13px}.auto-verify-popup .popup-detail-label{color:#6b7280;font-weight:500}.auto-verify-popup .popup-detail-value{color:#111827;font-weight:600;max-width:180px;text-align:right;word-break:break-word}.auto-verify-popup .popup-progress{height:4px;background:#e5e7eb;border-radius:2px;overflow:hidden;margin:12px 0 8px}.auto-verify-popup .popup-progress-bar{height:100%;background:linear-gradient(90deg,#3b82f6,#6366f1);border-radius:2px;width:0%;transition:width 0.5s ease}.auto-verify-popup .popup-close{position:absolute;top:12px;right:16px;background:none;border:none;font-size:20px;color:#9ca3af;cursor:pointer;padding:4px;border-radius:4px;transition:color 0.2s}.auto-verify-popup .popup-close:hover{color:#6b7280;background:#f3f4f6}@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}@keyframes loading-pulse{0%,100%{transform:scale(1);box-shadow:0 4px 12px rgba(217,119,6,.3)}50%{transform:scale(1.05);box-shadow:0 6px 16px rgba(217,119,6,.4)}}@keyframes success-bounce{0%{transform:scale(.8)}40%{transform:scale(1.1)}60%{transform:scale(.95)}100%{transform:scale(1)}}@keyframes error-shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}@keyframes warning-glow{0%,100%{box-shadow:0 4px 12px rgba(217,119,6,.3)}50%{box-shadow:0 4px 16px rgba(217,119,6,.5)}}@keyframes slideOutRight{0%{opacity:1;transform:translateX(0)}to{opacity:0;transform:translateX(100%)}}.donate-float-btn{position:fixed;bottom:30px;right:30px;width:64px;height:64px;background:linear-gradient(135deg, #667eea 0%, #764ba2 100%);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 8px 25px rgba(102, 126, 234, 0.5);transition:transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.4s ease;z-index:9998;color:white;animation:float-bounce 3s ease-in-out infinite;border:3px solid rgba(255, 255, 255, 0.3);transform-origin:center;}.donate-float-btn.hiding{animation:none !important;}.donate-float-btn:hover{transform:scale(1.15) rotate(10deg) !important;box-shadow:0 12px 40px rgba(102, 126, 234, 0.7);}.donate-float-btn:active{transform:scale(0.95) !important;}.donate-pulse{position:absolute;width:100%;height:100%;border-radius:50%;background:linear-gradient(135deg, #667eea 0%, #764ba2 100%);opacity:0;animation:pulse-animation 2s infinite;}.donate-tooltip{position:absolute;top:50%;right:calc(100% + 15px);transform:translateY(-50%);background:rgba(0, 0, 0, 0.85);color:white;padding:8px 16px;border-radius:8px;font-size:14px;font-weight:600;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity 0.3s ease, transform 0.3s ease;}.donate-tooltip::after{content:'';position:absolute;top:50%;left:100%;transform:translateY(-50%);border:6px solid transparent;border-left-color:rgba(0, 0, 0, 0.85);}.donate-float-btn:hover .donate-tooltip{opacity:1;transform:translateY(-50%) translateX(-5px);}@keyframes float-bounce{0%, 100%{transform:translateY(0);}50%{transform:translateY(-12px);}}@keyframes pulse-animation{0%{transform:scale(1);opacity:0.8;}50%{transform:scale(1.4);opacity:0.4;}100%{transform:scale(1.8);opacity:0;}}.donate-popup{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0, 0, 0, 0.6);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:9999;opacity:0;visibility:hidden;transition:all 0.3s ease;}.donate-popup.show{opacity:1;visibility:visible;}.donate-popup-content{background:#ffffff;border-radius:20px;padding:0;max-width:440px;width:90%;position:relative;box-shadow:0 20px 60px rgba(0, 0, 0, 0.3);transform:scale(0.8) translateY(30px);transition:transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);overflow:hidden;}.donate-popup.show .donate-popup-content{transform:scale(1) translateY(0);}.donate-close-btn{position:absolute;top:16px;right:16px;width:40px;height:40px;border:none;background:rgba(239, 68, 68, 0.15);backdrop-filter:blur(10px);border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all 0.3s ease;color:white;z-index:10;border:2px solid rgba(239, 68, 68, 0.3);}button.donate-close-btn{position:fixed !important;}.donate-close-btn svg{transition:transform 0.3s ease;}.donate-close-btn:hover{background:rgba(239, 68, 68, 0.3);transform:scale(1.1);border-color:rgba(239, 68, 68, 0.6);box-shadow:0 4px 12px rgba(239, 68, 68, 0.4);}.donate-close-btn:hover svg{transform:rotate(90deg);}.donate-close-btn:active{transform:scale(0.95);background:rgba(239, 68, 68, 0.4);}.donate-popup-header{text-align:center;padding:35px 30px 25px;background:linear-gradient(135deg, #667eea 0%, #764ba2 100%);position:relative;}.donate-popup-title{font-size:32px;font-weight:800;color:white;margin:0 0 10px;letter-spacing:-0.5px;}.donate-popup-subtitle{font-size:15px;color:rgba(255, 255, 255, 0.9);margin:0;font-weight:400;}.donate-popup-body{padding:40px 30px;background:white;}.qr-wrapper{text-align:center;}.qr-container{display:inline-block;background:linear-gradient(135deg, #667eea 0%, #764ba2 100%);padding:25px;border-radius:24px;position:relative;box-shadow:0 10px 40px rgba(102, 126, 234, 0.3);margin-bottom:25px;}.qr-image{width:280px;height:280px;border-radius:16px;display:block;background:white;padding:12px;}.qr-scan-line{position:absolute;top:25px;left:25px;right:25px;height:3px;background:linear-gradient(90deg, transparent, #10b981, transparent);animation:scan 2s ease-in-out infinite;z-index:1;}@keyframes scan{0%, 100%{transform:translateY(0);opacity:0;}50%{opacity:1;}100%{transform:translateY(280px);}}.qr-info{display:inline-flex;align-items:center;gap:10px;background:#f3f4f6;padding:12px 20px;border-radius:50px;font-size:14px;color:rgb(0, 168, 0);font-weight:500;}.qr-info svg{color:#667eea;flex-shrink:0;}@media (max-width:768px){.donate-float-btn{width:56px;height:56px;bottom:20px;right:20px;}.donate-float-btn svg{width:24px;height:24px;}.donate-popup-content{width:95%;max-width:none;}.donate-popup-header{padding:30px 25px 20px;}.donate-popup-title{font-size:28px;}.donate-popup-subtitle{font-size:14px;}.donate-popup-body{padding:35px 25px;}.qr-image{width:200px;height:200px;}.qr-container{padding:16px;margin-bottom:20px;}@keyframes scan{0%, 100%{transform:translateY(0);opacity:0;}50%{opacity:1;}100%{transform:translateY(200px);}}.qr-info{font-size:13px;padding:10px 18px;}.donate-tooltip{display:none;}}/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.animate-fade-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

.animate-fade-down {
  animation: fadeInDown 0.6s ease-out forwards;
}

.animate-slide-left {
  animation: slideInLeft 0.8s ease-out forwards;
}

.animate-slide-right {
  animation: slideInRight 0.8s ease-out forwards;
}

.animate-scale-in {
  animation: scaleIn 0.5s ease-out forwards;
}

.animate-delay-100 { animation-delay: 0.1s; }
.animate-delay-200 { animation-delay: 0.2s; }
.animate-delay-300 { animation-delay: 0.3s; }
.animate-delay-400 { animation-delay: 0.4s; }

/* Responsive Design */
@media (max-width: 1024px) {
  .container {
    padding: var(--space-lg);
  }
  
  .glass-card {
    margin-bottom: var(--space-lg);
  }
  
  #card-canvas {
    max-width: 90vw;
    min-width: 320px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: var(--space-md);
  }
  
  .glass-card {
    padding: var(--space-lg);
    margin-bottom: var(--space-md);
  }
  
  .form-group {
    margin-bottom: var(--space-md);
  }
  
  .form-input, .form-select {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-sm);
    min-height: 44px;
  }
  
  .btn {
    min-height: 48px;
    font-size: var(--font-size-sm);
    padding: var(--space-md);
  }
  
  .form-label {
    font-size: var(--font-size-sm);
    gap: var(--space-xs);
  }
  
  .face-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 480px) {
  .container {
    padding: var(--space-sm);
  }
  
  .glass-card {
    padding: var(--space-md);
    margin-bottom: var(--space-sm);
  }
  
  .form-label {
    font-size: var(--font-size-xs);
    margin-bottom: var(--space-xs);
  }
  
  .form-input, .form-select {
    font-size: var(--font-size-xs);
    padding: var(--space-xs) var(--space-sm);
    min-height: 40px;
  }
  
  .btn {
    min-height: 44px;
    font-size: var(--font-size-xs);
    padding: var(--space-sm) var(--space-md);
  }
  
  .face-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Touch Device Optimization */
@media (hover: none) and (pointer: coarse) {
  .btn {
    min-height: 48px;
    touch-action: manipulation;
  }
  
  .form-input, .form-select {
    min-height: 44px;
    touch-action: manipulation;
  }
  
  .file-upload-area {
    min-height: 48px;
    touch-action: manipulation;
  }
  
  .glass-card:hover {
    transform: none;
    box-shadow: 
      0 8px 32px rgba(31, 38, 135, 0.12),
      0 4px 16px rgba(0, 0, 0, 0.04),
      inset 0 1px 0 rgba(255, 255, 255, 0.4);
  }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(241, 245, 249, 0.5);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, var(--primary-400), var(--primary-500));
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
}

/* Print Styles */
@media print {
  body {
    background: white;
  }
  
  .glass-card {
    background: white;
    box-shadow: none;
    border: 1px solid #ccc;
  }
  
  .btn {
    display: none;
  }
}