/* Main Application Styles */

/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: all 0.3s ease;
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(168, 85, 247, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 40%, rgba(34, 197, 94, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

[data-theme="dark"] body::before,
.dark-mode body::before {
    background: radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(168, 85, 247, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 40% 40%, rgba(34, 197, 94, 0.03) 0%, transparent 50%);
}

/* Dark Mode Color Variables */
.dark-mode {
    --bg-primary: var(--neutral-900);
    --bg-secondary: var(--neutral-800);
    --bg-tertiary: var(--neutral-700);
    
    --text-primary: var(--neutral-50);
    --text-secondary: var(--neutral-300);
    --text-tertiary: var(--neutral-400);
    --text-inverse: var(--neutral-900);
    
    --border-primary: var(--neutral-700);
    --border-secondary: var(--neutral-600);
}

/* 页面加载动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 悬浮动画 */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* 脉冲动画 */
@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* Light Mode Color Variables */
:root {
  --bg-primary: var(--neutral-50);
  --bg-secondary: var(--neutral-100);
  --bg-tertiary: var(--neutral-200);
  --text-primary: var(--neutral-900);
  --text-secondary: var(--neutral-600);
  --text-tertiary: var(--neutral-500);
  --text-inverse: var(--neutral-50);
  --border-primary: var(--neutral-200);
  --border-secondary: var(--neutral-300);
  --border-focus: var(--primary-600);
  --border-error: var(--error-600);
  --border-success: var(--success-600);
  --color-primary: var(--primary-600);
  --color-primary-hover: var(--primary-700);
  --color-error: var(--error-600);
  --color-success: var(--success-600);
  --text-link: var(--primary-600);
  --text-link-hover: var(--primary-700);
}

/* Layout */
.app-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: transparent;
  position: relative;
  z-index: 1;
  animation: fadeInUp 0.8s ease-out;
}

/* Header */
.header {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-primary);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) 0;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.language-selector select,
.color-mode-toggle button {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-2) var(--space-3);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-fast);
    height: 40px;
    min-width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
}

.language-selector select:hover,
.color-mode-toggle button:hover {
    border-color: var(--color-primary);
}

.color-mode-btn {
    font-size: var(--font-size-lg);
    width: 40px;
    height: 40px;
}

.logo {
  display: flex;
  align-items: center;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.logo-image {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  animation: float 6s ease-in-out infinite;
}

.logo-image:hover {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.logo-content {
  display: flex;
  flex-direction: column;
}

.logo-text {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  background: linear-gradient(135deg, var(--color-primary), var(--accent-600));
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
  line-height: 1.2;
  animation: gradient-shift 4s ease infinite;
  transition: transform 0.3s ease;
}

.logo-text:hover {
  transform: scale(1.05);
}

.logo-subtitle {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-top: var(--space-1);
  line-height: 1.2;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.logo-subtitle:hover {
  opacity: 1;
}

.network-selector {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.network-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
}

.network-select {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: var(--transition-fast);
}

.network-select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

/* Main Content */
.main-content {
  flex: 1;
  padding: var(--space-8) 0;
}

.form-container {
  max-width: 600px;
  margin: 0 auto;
  background: var(--bg-primary);
  border-radius: var(--card-border-radius);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(255, 255, 255, 0.1);
  border: var(--card-border);
  overflow: hidden;
  transform: translateY(0);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.form-header {
  padding: var(--space-8) var(--space-6) var(--space-6);
  text-align: center;
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--accent-600) 100%);
  background-size: 200% 200%;
  animation: gradient-shift 6s ease infinite;
  color: var(--text-inverse);
  position: relative;
  overflow: hidden;
}

.form-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  margin: 0 0 var(--space-3);
}

.form-description {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  margin: 0;
}

/* Form Styles */
.token-form {
  padding: var(--space-6);
}

/* Balance Container Styles */
.balance-container {
  margin-top: var(--space-4);
  padding: var(--space-4);
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.1), rgba(168, 85, 247, 0.1));
  border: 1px solid rgba(14, 165, 233, 0.2);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all var(--transition-base);
}

.balance-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.balance-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.balance-icon {
  font-size: var(--font-size-lg);
}

.balance-value {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
  font-weight: var(--font-weight-bold);
}

#balanceAmount {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  font-family: var(--font-mono);
}

.balance-unit {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
}

.balance-status {
  width: 100%;
  margin-top: var(--space-2);
  font-size: var(--font-size-xs);
  text-align: center;
}

.balance-status.success {
  color: var(--color-success);
}

.balance-status.warning {
  color: var(--color-warning);
}

.balance-status.error {
  color: var(--color-error);
}

/* Rainbow Loading Animation */
.rainbow-loading {
  position: relative;
  overflow: hidden;
  background: linear-gradient(
    90deg,
    #ff0000,
    #ff8000,
    #ffff00,
    #80ff00,
    #00ff00,
    #00ff80,
    #00ffff,
    #0080ff,
    #0000ff,
    #8000ff,
    #ff00ff,
    #ff0080
  );
  background-size: 400% 100%;
  animation: rainbow-flow 3s linear infinite;
}

.rainbow-loading::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  right: 2px;
  bottom: 2px;
  background: var(--bg-primary);
  border-radius: inherit;
  z-index: 1;
}

.rainbow-loading .btn-text,
.rainbow-loading .btn-loading {
  position: relative;
  z-index: 2;
}

@keyframes rainbow-flow {
  0% {
    background-position: 0% 50%;
  }
  100% {
    background-position: 400% 50%;
  }
}

.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
}

.label-required {
  color: var(--color-error);
  font-weight: var(--font-weight-bold);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--form-input-padding-y) var(--form-input-padding-x);
  border: var(--form-input-border-width) solid var(--border-primary);
  border-radius: var(--form-input-border-radius);
  font-size: var(--form-input-font-size);
  font-family: var(--font-family-primary);
  color: var(--text-primary);
  background: var(--bg-primary);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1), 0 4px 14px 0 rgba(59, 130, 246, 0.15);
  transform: translateY(-1px);
}

.form-input:hover:not(:focus),
.form-textarea:hover:not(:focus),
.form-select:hover:not(:focus) {
  border-color: var(--color-primary);
  box-shadow: 0 2px 8px 0 rgba(0, 0, 0, 0.1);
}

.form-input:invalid,
.form-textarea:invalid {
  border-color: var(--border-error);
}

.form-input:invalid:focus,
.form-textarea:invalid:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-help {
  margin-top: var(--space-2);
}

.help-text {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
}

/* File Upload Styles */
.file-upload-container {
  position: relative;
}

.file-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.file-upload-label {
  display: block;
  padding: var(--space-8);
  border: 2px dashed var(--border-secondary);
  border-radius: var(--radius-lg);
  text-align: center;
  cursor: pointer;
  transition: var(--transition-fast);
  background: var(--bg-secondary);
}

.file-upload-label:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.file-upload-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.upload-icon {
  font-size: var(--font-size-4xl);
  opacity: 0.6;
}

.upload-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.upload-primary {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
}

.upload-secondary {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.image-preview {
  position: relative;
  margin-top: var(--space-4);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-primary);
}

.image-preview img {
  width: 200px;
  height: 200px;
  object-fit: contain;
  display: block;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
}

.remove-image {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  width: 32px;
  height: 32px;
  border: none;
  border-radius: var(--radius-full);
  background: rgba(0, 0, 0, 0.7);
  color: white;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.remove-image:hover {
  background: rgba(0, 0, 0, 0.9);
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--btn-padding-y) var(--btn-padding-x);
  border: none;
  border-radius: var(--btn-border-radius);
  font-size: var(--font-size-base);
  font-weight: var(--btn-font-weight);
  font-family: var(--font-family-primary);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  transform: translateY(0);
  box-shadow: 0 4px 14px 0 rgba(0, 0, 0, 0.1);
}

.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 0.5s;
}

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

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: var(--text-inverse);
  box-shadow: var(--shadow-md);
  background-size: 200% 200%;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(59, 130, 246, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.1);
  background-position: 100% 0;
}

.btn-primary:active {
  transform: translateY(-1px);
  box-shadow: 0 5px 15px rgba(59, 130, 246, 0.3);
}

.btn-loading {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Rainbow Spinner */
.rainbow-spinner {
  display: flex;
  gap: 4px;
  align-items: center;
}

.rainbow-circle {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  animation: rainbow-bounce 1.4s ease-in-out infinite both;
}

.rainbow-circle:nth-child(1) {
  background: #ff6b6b;
  animation-delay: -0.32s;
}

.rainbow-circle:nth-child(2) {
  background: #4ecdc4;
  animation-delay: -0.16s;
}

.rainbow-circle:nth-child(3) {
  background: #45b7d1;
  animation-delay: 0s;
}

@keyframes rainbow-bounce {
  0%, 80%, 100% {
    transform: scale(0.8);
    opacity: 0.5;
  }
  40% {
    transform: scale(1.2);
    opacity: 1;
  }
}

.loading-text {
  margin-left: var(--space-2);
  font-size: var(--font-size-sm);
}

/* 彩虹进度条动画 */
.rainbow-progress-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    width: 100%;
}

.rainbow-progress-bar {
    width: 120px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.rainbow-progress-fill {
    height: 100%;
    width: 100%;
    background: linear-gradient(90deg, 
        #ff6b6b 0%, 
        #ffa726 25%, 
        #66bb6a 50%, 
        #42a5f5 75%, 
        #ab47bc 100%);
    background-size: 200% 100%;
    animation: rainbow-progress 2s linear infinite;
    border-radius: 2px;
}

@keyframes rainbow-flow {
    0% {
        background-position: 0% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* 进度显示容器 */
.progress-container {
    background: var(--bg-primary);
    border-radius: var(--card-border-radius);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(255, 255, 255, 0.1);
    border: var(--card-border);
    padding: 24px;
    margin-bottom: 24px;
    animation: fadeInUp 0.5s ease-out;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.progress-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.progress-percentage {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.progress-bar-wrapper {
    margin-bottom: 24px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, 
        #ff6b6b 0%, 
        #ffa726 20%, 
        #66bb6a 40%, 
        #42a5f5 60%, 
        #ab47bc 80%, 
        #ff6b6b 100%);
    background-size: 200% 100%;
    animation: rainbow-flow 3s linear infinite;
    border-radius: 4px;
    transition: width 0.5s ease;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 20px;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3));
    animation: shimmer 1.5s ease-in-out infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-20px);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translateX(20px);
        opacity: 0;
    }
}

.progress-steps {
    display: flex;
    justify-content: space-between;
    gap: 12px;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    flex: 1;
    opacity: 0.5;
    transition: all 0.3s ease;
}

.progress-step.active {
    opacity: 1;
    transform: scale(1.05);
}

.progress-step.completed {
    opacity: 1;
}

.step-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    border: 2px solid var(--border-color);
}

.progress-step.active .step-icon {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: white;
    border-color: var(--color-primary);
    animation: pulse 2s infinite;
}

.progress-step.completed .step-icon {
    background: var(--color-success);
    color: white;
    border-color: var(--color-success);
}

.progress-step.completed .step-icon::before {
    content: '✓';
    font-size: 16px;
}

.step-text {
    font-size: 12px;
    color: var(--text-secondary);
    text-align: center;
    font-weight: 500;
    transition: color 0.3s ease;
}

.progress-step.active .step-text,
.progress-step.completed .step-text {
    color: var(--text-primary);
    font-weight: 600;
}

/* Code Execution Container */
.code-execution-container {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: 1rem;
    border: 1px solid var(--border-primary);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    animation: fadeInUp 0.6s ease-out;
}

.code-execution-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.code-execution-header h4 {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.code-execution-header h4::before {
    content: '⚡';
    font-size: 1.25rem;
}

.execution-status {
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 500;
    background: rgba(139, 92, 246, 0.1);
    color: var(--color-accent);
    border: 1px solid rgba(139, 92, 246, 0.2);
    animation: pulse 2s infinite;
}

.execution-status.completed {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border-color: rgba(16, 185, 129, 0.2);
    animation: none;
}

.execution-status.error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.2);
    animation: none;
}

/* Terminal Styles */
.code-terminal {
    background: #1a1a1a;
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.terminal-header {
    background: #2d2d2d;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #404040;
}

.terminal-controls {
    display: flex;
    gap: 0.5rem;
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}

.terminal-dot.red {
    background: #ff5f56;
}

.terminal-dot.yellow {
    background: #ffbd2e;
}

.terminal-dot.green {
    background: #27ca3f;
}

.terminal-title {
    color: #ffffff;
    font-size: 0.875rem;
    font-weight: 500;
}

.terminal-content {
    padding: 1rem;
    background: #1a1a1a;
    color: #00ff00;
    font-size: 0.875rem;
    line-height: 1.5;
    max-height: 300px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: #404040 #1a1a1a;
}

.terminal-content::-webkit-scrollbar {
    width: 6px;
}

.terminal-content::-webkit-scrollbar-track {
    background: #1a1a1a;
}

.terminal-content::-webkit-scrollbar-thumb {
    background: #404040;
    border-radius: 3px;
}

.terminal-line {
    display: flex;
    margin-bottom: 0.25rem;
    animation: typewriter 0.5s ease-out;
}

.terminal-prompt {
    color: #00ff00;
    margin-right: 0.5rem;
    font-weight: bold;
}

.terminal-text {
    color: #ffffff;
    flex: 1;
}

.terminal-text.success {
    color: #00ff00;
}

.terminal-text.error {
    color: #ff4444;
}

.terminal-text.warning {
    color: #ffaa00;
}

.terminal-text.info {
    color: #00aaff;
}

.terminal-cursor {
    display: inline-block;
    width: 8px;
    height: 1.2em;
    background: #00ff00;
    margin-left: 2px;
    animation: blink 1s infinite;
}

@keyframes typewriter {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes blink {
    0%, 50% {
        opacity: 1;
    }
    51%, 100% {
        opacity: 0;
    }
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid white;
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
}

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

.form-actions {
  margin-top: var(--space-8);
  text-align: center;
}

.btn {
  min-width: 200px;
  padding: var(--space-4) var(--space-6);
  font-size: var(--font-size-lg);
}

/* Result Container */
.result-container {
  max-width: 600px;
  margin: var(--space-8) auto 0;
  background: var(--bg-primary);
  border-radius: 24px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border-primary);
  overflow: hidden;
  transform: translateY(0);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  backdrop-filter: blur(20px);
  animation: slideInUp 0.6s ease-out;
}

/* Dark mode result container */
.dark-mode .result-container {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.result-header {
  padding: 40px 30px 30px;
  background: linear-gradient(135deg, 
    rgba(139, 69, 255, 0.1) 0%, 
    rgba(255, 107, 107, 0.1) 50%, 
    rgba(54, 162, 235, 0.1) 100%);
  color: var(--text-primary);
  text-align: center;
  border-bottom: 1px solid var(--border-primary);
  position: relative;
}

/* Dark mode result header */
.dark-mode .result-header {
  color: var(--text-inverse);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.result-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #8b45ff, #ff6b6b, #36a2eb, #4bc0c0);
  background-size: 300% 100%;
  animation: gradientShift 3s ease-in-out infinite;
}

.success-icon {
  font-size: 48px;
  margin-bottom: 15px;
  animation: bounce 1s ease-in-out;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-10px); }
  60% { transform: translateY(-5px); }
}

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

.result-subtitle {
  margin: 10px 0 0;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 400;
}

/* Dark mode result subtitle */
.dark-mode .result-subtitle {
  color: rgba(255, 255, 255, 0.7);
}

.result-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin: 0;
}

.result-section {
  padding: 30px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.result-section:last-child {
  border-bottom: none;
}

.section-title {
  margin: 0 0 20px;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Dark mode section title */
.dark-mode .section-title {
  color: rgba(255, 255, 255, 0.9);
}

.token-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.info-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
  transition: all 0.3s ease;
}

.info-card:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-secondary);
  transform: translateY(-2px);
}

/* Dark mode info card */
.dark-mode .info-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.dark-mode .info-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

.info-label {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
  font-weight: 500;
}

.info-value {
  font-size: 16px;
  color: var(--text-primary);
  font-weight: 600;
  word-break: break-all;
}

/* Dark mode info labels and values */
.dark-mode .info-label {
  color: rgba(255, 255, 255, 0.6);
}

.dark-mode .info-value {
  color: rgba(255, 255, 255, 0.9);
}

.result-content {
  padding: 30px;
}

.result-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 15px 0;
  border-bottom: 1px solid var(--border-primary);
}

.result-item:last-child {
  border-bottom: none;
}

.result-label {
  font-weight: 500;
  color: var(--text-secondary);
  min-width: 120px;
  flex-shrink: 0;
}

.result-value {
  color: var(--text-primary);
  word-break: break-all;
  text-align: right;
  font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
  font-size: 14px;
}

/* Dark mode result content */
.dark-mode .result-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.dark-mode .result-label {
  color: rgba(255, 255, 255, 0.7);
}

.dark-mode .result-value {
  color: rgba(255, 255, 255, 0.9);
}

.fee-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.fee-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-primary);
}

.fee-item.total-fee {
    background: rgba(255, 215, 0, 0.1);
    border-color: rgba(255, 215, 0, 0.3);
    font-weight: 600;
}

.fee-label {
    color: var(--text-secondary);
    font-size: 14px;
}

.fee-value {
    color: var(--text-primary);
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-size: 14px;
    font-weight: 600;
}

.total-fee .fee-value {
    color: #ffd700;
}

.fee-status {
    margin-left: 8px;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.fee-status.success {
    background-color: rgba(34, 197, 94, 0.1);
    color: #22c55e;
}

.fee-status.error {
    background-color: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

/* Dark mode fee styles */
.dark-mode .fee-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.dark-mode .fee-label {
    color: rgba(255, 255, 255, 0.8);
}

.dark-mode .fee-value {
    color: rgba(255, 255, 255, 0.9);
}

.result-actions {
    padding: 30px;
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.action-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 14px;
    min-width: 160px;
    justify-content: center;
}

.action-btn.primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.action-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.action-btn.secondary {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.action-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

.btn-icon {
    font-size: 16px;
}

.copy-btn {
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-base);
  background: var(--bg-primary);
  color: var(--text-secondary);
  font-size: var(--font-size-xs);
  cursor: pointer;
  transition: var(--transition-fast);
  flex-shrink: 0;
}

.copy-btn:hover {
  background: var(--color-primary);
  color: var(--text-inverse);
  border-color: var(--color-primary);
}

.explorer-link {
  color: var(--text-link);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: var(--transition-fast);
}

.explorer-link:hover {
  color: var(--text-link-hover);
  text-decoration: underline;
}

/* Error Container */
.error-container {
  max-width: 600px;
  margin: var(--space-8) auto 0;
  background: var(--bg-primary);
  border-radius: var(--card-border-radius);
  box-shadow: 0 25px 50px -12px rgba(239, 68, 68, 0.3), 0 0 0 1px rgba(239, 68, 68, 0.2);
  border: 2px solid var(--color-error);
  overflow: hidden;
  transform: translateY(0);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.error-content {
  padding: var(--space-6);
  text-align: center;
}

.error-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-error);
  margin: 0 0 var(--space-3);
}

.error-message {
  color: var(--text-secondary);
  margin: 0;
  line-height: var(--line-height-relaxed);
}

/* FAQ Section */
.faq-section {
  padding: var(--space-12) 0;
  background: var(--bg-primary);
  border-top: 1px solid var(--border-primary);
}

.faq-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.faq-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin: 0 0 var(--space-4);
}

.faq-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin: 0;
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: var(--border-secondary);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.faq-question {
  padding: var(--space-5);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  user-select: none;
  transition: background-color 0.3s ease;
}

.faq-question:hover {
  background: var(--bg-tertiary);
}

.faq-icon {
  font-size: 20px;
  flex-shrink: 0;
}

.faq-toggle {
  margin-left: auto;
  font-size: 24px;
  font-weight: bold;
  transition: transform 0.3s ease;
  color: var(--accent-primary);
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  background: var(--bg-tertiary);
}

.faq-item.active .faq-answer {
  max-height: 200px;
  padding: 0 var(--space-5) var(--space-5);
}

.faq-answer p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* Dark mode FAQ styles */
.dark-mode .faq-item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.dark-mode .faq-item:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.dark-mode .faq-question:hover {
  background: rgba(255, 255, 255, 0.08);
}

.dark-mode .faq-answer {
  background: rgba(255, 255, 255, 0.03);
}

/* Footer */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-primary);
  padding: var(--space-6) 0;
  margin-top: auto;
}

.footer-text {
  text-align: center;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
  
  .form-container {
    margin: 0 var(--space-4);
  }
  
  .form-header {
    padding: var(--space-6) var(--space-4) var(--space-4);
  }
  
  .form-title {
    font-size: var(--font-size-2xl);
  }
  
  .token-form {
    padding: var(--space-4);
  }
  
  .token-info-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
  }
  
  .info-card {
    padding: 16px;
  }
  
  .result-section {
    padding: 20px;
  }
  
  .result-header {
    padding: 30px 20px 20px;
  }
  
  .result-title {
    font-size: 24px;
  }
  
  .success-icon {
    font-size: 36px;
  }
  
  .result-item {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
    padding: 12px 16px;
  }
  
  .result-label {
    min-width: auto;
  }
  
  .result-value {
    margin: 0;
    width: 100%;
    font-size: 11px;
  }
  
  .copy-btn {
    align-self: flex-end;
    padding: 6px 12px;
    font-size: 11px;
  }
  
  .result-actions {
    padding: 20px;
    flex-direction: column;
  }
  
  .action-btn {
    width: 100%;
    min-width: auto;
  }
  
  .fee-item {
    padding: 10px 12px;
  }
  
  .fee-label,
  .fee-value {
    font-size: 13px;
  }
  
  .section-title {
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-3);
  }
  
  .main-content {
    padding: var(--space-6) 0;
  }
  
  .btn {
    min-width: auto;
    width: 100%;
  }
}

/* Animation for success state */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.form-container:hover,
.result-container:hover {
  transform: translateY(-5px);
  box-shadow: 0 35px 70px -12px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(255, 255, 255, 0.15);
}

.error-container:hover {
  transform: translateY(-5px);
  box-shadow: 0 35px 70px -12px rgba(239, 68, 68, 0.4), 0 0 0 1px rgba(239, 68, 68, 0.3);
}

.result-container,
.error-container {
  animation: slideInUp 0.5s ease-out;
}

/* Focus styles for accessibility */
.btn:focus-visible,
.form-input:focus-visible,
.form-textarea:focus-visible,
.form-select:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Loading state */
.btn:disabled .btn-text {
  opacity: 0;
}

.btn:disabled .btn-loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* Dark Mode Styles */
body.dark-mode {
  --bg-primary: var(--neutral-900);
  --bg-secondary: var(--neutral-800);
  --bg-tertiary: var(--neutral-700);
  --text-primary: var(--neutral-50);
  --text-secondary: var(--neutral-300);
  --text-tertiary: var(--neutral-400);
  --text-inverse: var(--neutral-900);
  --border-primary: var(--neutral-700);
  --border-secondary: var(--neutral-600);
  --border-focus: var(--primary-400);
  --border-error: var(--error-500);
  --border-success: var(--success-500);
  --color-primary: var(--primary-400);
  --color-primary-hover: var(--primary-300);
  --color-error: var(--error-500);
  --color-success: var(--success-500);
  --text-link: var(--primary-400);
  --text-link-hover: var(--primary-300);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
}

/* Glassmorphism Effects for Header and Footer */
.header {
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(255, 255, 255, 0.8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

body.dark-mode .header {
  background: rgba(26, 26, 26, 0.8);
  border-bottom: 1px solid rgba(64, 64, 64, 0.3);
}

.footer {
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(255, 255, 255, 0.8);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

body.dark-mode .footer {
  background: rgba(26, 26, 26, 0.8);
  border-top: 1px solid rgba(64, 64, 64, 0.3);
}

/* Enhanced form container with glassmorphism */
.form-container {
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

body.dark-mode .form-container {
  background: rgba(26, 26, 26, 0.9);
  border: 1px solid rgba(64, 64, 64, 0.3);
}

/* Enhanced result and error containers */
.result-container,
.error-container {
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

body.dark-mode .result-container,
body.dark-mode .error-container {
  background: rgba(26, 26, 26, 0.9);
  border: 1px solid rgba(64, 64, 64, 0.3);
}

body.dark-mode .error-container {
  border: 2px solid var(--color-error);
}

/* Enhanced form inputs with glassmorphism */
.form-input,
.form-textarea,
.form-select {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

body.dark-mode .form-input,
body.dark-mode .form-textarea,
body.dark-mode .form-select {
  background: rgba(45, 45, 45, 0.7);
  border: 1px solid rgba(64, 64, 64, 0.5);
}

/* Enhanced buttons */
.btn {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.language-select,
.color-mode-btn {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.7) !important;
  border: 1px solid rgba(255, 255, 255, 0.3) !important;
}

body.dark-mode .language-select,
body.dark-mode .color-mode-btn {
  background: rgba(45, 45, 45, 0.7) !important;
  border: 1px solid rgba(64, 64, 64, 0.5) !important;
}

/* Enhanced result items */
.result-item {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

body.dark-mode .result-item {
  background: rgba(45, 45, 45, 0.6);
  border: 1px solid rgba(64, 64, 64, 0.5);
}

/* Enhanced copy buttons */
.copy-btn {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

body.dark-mode .copy-btn {
  background: rgba(45, 45, 45, 0.7);
  border: 1px solid rgba(64, 64, 64, 0.5);
}

/* Smooth transitions for mode switching */
* {
  transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

/* Enhanced file upload area */
.file-upload-label {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.6);
  border: 2px dashed rgba(255, 255, 255, 0.4);
}

body.dark-mode .file-upload-label {
  background: rgba(45, 45, 45, 0.6);
  border: 2px dashed rgba(64, 64, 64, 0.6);
}