:root[data-theme="dark"] {
  --bg-primary: #0a0a0a;
  --bg-secondary: #1a1a2e;
  --bg-tertiary: #16213e;
  --text-primary: #ffffff;
  --text-secondary: #aaaaaa;
  --accent-primary: #667eea;
  --accent-secondary: #764ba2;
  --border-color: rgba(102, 126, 234, 0.2);
  --card-bg: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  --hover-shadow: 0 12px 48px rgba(102, 126, 234, 0.3);
  --success-color: #4caf50;
  --error-color: #ff4444;
  --warning-color: #ff9800;
}

:root[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #e9ecef;
  --text-primary: #212529;
  --text-secondary: #6c757d;
  --accent-primary: #667eea;
  --accent-secondary: #764ba2;
  --border-color: rgba(102, 126, 234, 0.3);
  --card-bg: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  --hover-shadow: 0 12px 48px rgba(102, 126, 234, 0.2);
  --success-color: #28a745;
  --error-color: #dc3545;
  --warning-color: #ffc107;
}

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.navbar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  padding: 1rem 0;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
  animation: slideDown 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideDown {
  from { transform: translateY(-100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.logo:hover {
  transform: scale(1.05) rotate(-2deg);
  color: var(--accent-primary);
}

.logo i {
  font-size: 28px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: pulse 2s ease-in-out infinite;
}

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

.nav-links {
  display: flex;
  gap: 30px;
  align-items: center;
  transition: all 0.3s ease;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 8px 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}

.admin-link {
  color: var(--error-color);
}

.theme-toggle {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 10px 14px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
}

.theme-toggle:hover {
  background: var(--accent-primary);
  color: #fff;
  transform: scale(1.1) rotate(180deg);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.login-btn-nav {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  color: #fff;
  border: none;
  padding: 10px 24px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
  display: flex;
  align-items: center;
  gap: 8px;
}

.login-btn-nav:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 8px 24px rgba(102, 126, 234, 0.6);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  background: var(--bg-tertiary);
  border-radius: 50px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.user-profile:hover {
  box-shadow: 0 4px 16px rgba(102, 126, 234, 0.2);
  border-color: var(--accent-primary);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--accent-primary);
  object-fit: cover;
  transition: all 0.3s ease;
}

.user-avatar:hover {
  transform: scale(1.1);
  box-shadow: 0 0 15px rgba(102, 126, 234, 0.5);
}

.user-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.logout-btn-nav {
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.logout-btn-nav:hover {
  background: var(--error-color);
  border-color: var(--error-color);
  color: #fff;
  transform: scale(1.05);
}

.mobile-menu-btn {
  display: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.mobile-menu-btn:hover {
  color: var(--accent-primary);
  transform: scale(1.1) rotate(90deg);
}

.modal {
  display: none;
  position: fixed;
  z-index: 10000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity 0.3s ease;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 50px 40px;
  max-width: 500px;
  width: 90%;
  position: relative;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  animation: modalSlideIn 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes modalSlideIn {
  from { transform: translateY(-50px) scale(0.9); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}

.close-modal {
  position: absolute;
  top: 20px;
  right: 25px;
  font-size: 32px;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s ease;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg-tertiary);
}

.close-modal:hover {
  color: #fff;
  transform: rotate(90deg) scale(1.1);
  background: var(--error-color);
}

.login-container {
  text-align: center;
}

.login-icon {
  font-size: 64px;
  margin-bottom: 20px;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.login-container h2 {
  font-size: 28px;
  margin-bottom: 15px;
  color: var(--text-primary);
}

.login-container p {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 30px;
}

.login-tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 30px;
  background: var(--bg-tertiary);
  padding: 8px;
  border-radius: 12px;
}

.login-tab {
  flex: 1;
  background: transparent;
  color: var(--text-secondary);
  border: none;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.login-tab.active {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #fff;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
  transform: scale(1.02);
}

.login-tab:hover:not(.active) {
  background: var(--bg-primary);
  color: var(--text-primary);
}

.login-section {
  margin: 20px 0;
}

.login-submit-btn {
  width: 100%;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #fff;
  border: none;
  padding: 14px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.login-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(102, 126, 234, 0.5);
}

.terms-text {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 25px;
  line-height: 1.5;
}

.hero {
  padding: 80px 0;
  text-align: center;
}

.hero-title {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 15px;
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
  font-size: 20px;
  color: var(--text-secondary);
  margin-bottom: 50px;
  animation: fadeInUp 1s ease;
}

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

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 30px;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  animation: fadeInUp 0.6s ease;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(102, 126, 234, 0.1), transparent);
  transform: rotate(45deg);
  transition: all 0.6s ease;
}

.stat-card:hover::before {
  left: 100%;
}

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

.stat-icon {
  font-size: 36px;
  margin-bottom: 15px;
  color: var(--accent-primary);
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.stat-number {
  font-size: 36px;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 5px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  text-align: center;
  margin: 60px 0 40px;
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInUp 0.8s ease;
}

.features {
  padding: 60px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 30px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-primary);
  box-shadow: var(--hover-shadow);
}

.feature-icon {
  font-size: 48px;
  margin-bottom: 20px;
  color: var(--accent-primary);
  animation: float 3s ease-in-out infinite;
}

.feature-card h3 {
  font-size: 20px;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 14px;
}

.pricing-toggle {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 40px;
}

.toggle-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 14px 32px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.toggle-btn:hover {
  background: var(--bg-tertiary);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

.toggle-btn.active {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  border-color: var(--accent-primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(102, 126, 234, 0.3);
}

.save-badge {
  display: inline-block;
  background: var(--success-color);
  color: #fff;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  margin-left: 8px;
  animation: pulse 2s infinite;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.pricing-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 40px;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.pricing-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.pricing-card:hover::before {
  opacity: 1;
}

.pricing-card:hover {
  transform: translateY(-12px) scale(1.02);
  border-color: var(--accent-primary);
  box-shadow: var(--hover-shadow);
}

.pricing-card.featured {
  border-color: var(--accent-primary);
  box-shadow: 0 8px 32px rgba(102, 126, 234, 0.2);
  transform: scale(1.05);
}

.pricing-card.featured::after {
  content: 'POPULAR';
  position: absolute;
  top: 20px;
  right: -35px;
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  color: #fff;
  padding: 6px 40px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  transform: rotate(45deg);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.plan-badge {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.plan-price {
  margin: 20px 0;
}

.currency {
  font-size: 24px;
  color: var(--text-secondary);
  vertical-align: super;
}

.amount {
  font-size: 48px;
  font-weight: 700;
  color: var(--text-primary);
}

.period {
  font-size: 16px;
  color: var(--text-secondary);
  margin-left: 5px;
}

.plan-features {
  margin: 30px 0;
  text-align: left;
}

.feature-item {
  padding: 12px 0;
  color: var(--text-secondary);
  font-size: 14px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all 0.3s ease;
}

.feature-item:hover {
  padding-left: 10px;
  color: var(--text-primary);
}

.feature-item i {
  color: var(--success-color);
}

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

.plan-btn {
  width: 100%;
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  color: #fff;
  border: none;
  padding: 16px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 16px rgba(102, 126, 234, 0.3);
}

.plan-btn:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 24px rgba(102, 126, 234, 0.5);
}

.calculator-section {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 50px;
  margin: 60px auto;
  max-width: 900px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  animation: fadeInUp 0.8s ease;
}

.calculator-header {
  text-align: center;
  margin-bottom: 40px;
}

.calculator-header h2 {
  font-size: 32px;
  margin-bottom: 10px;
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.calculator-header p {
  color: var(--text-secondary);
  font-size: 16px;
}

.calculator-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.calculator-inputs {
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.input-group label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.slider-container {
  position: relative;
}

.slider {
  width: 100%;
  height: 8px;
  border-radius: 5px;
  background: var(--bg-tertiary);
  outline: none;
  -webkit-appearance: none;
  transition: all 0.3s ease;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
  transition: all 0.3s ease;
}

.slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.slider::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  cursor: pointer;
  border: none;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.slider-value {
  text-align: center;
  margin-top: 10px;
  font-size: 24px;
  font-weight: 700;
  color: var(--accent-primary);
}

.duration-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.duration-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 12px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.duration-btn:hover {
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

.duration-btn.active {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #fff;
  border-color: var(--accent-primary);
}

.calculator-result {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 20px;
  padding: 40px;
  color: #fff;
  text-align: center;
  box-shadow: 0 8px 32px rgba(102, 126, 234, 0.3);
  position: relative;
  overflow: hidden;
}

.calculator-result::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  animation: shimmer 3s infinite;
}

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

.result-icon {
  font-size: 48px;
  margin-bottom: 20px;
  opacity: 0.9;
}

.result-label {
  font-size: 16px;
  opacity: 0.9;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.result-price {
  font-size: 64px;
  font-weight: 800;
  margin-bottom: 20px;
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.result-details {
  font-size: 14px;
  opacity: 0.8;
  margin-bottom: 30px;
  line-height: 1.8;
}

.calc-cta-btn {
  background: #fff;
  color: var(--accent-primary);
  border: none;
  padding: 16px 40px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.calc-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.input-field, select {
  width: 100%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  color: var(--text-primary);
  font-size: 16px;
  transition: all 0.3s ease;
  margin-bottom: 15px;
}

.input-field:focus, select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
}

.input-field::placeholder {
  color: var(--text-secondary);
}

.page {
  min-height: calc(100vh - 200px);
  opacity: 1;
  transition: opacity 0.3s ease;
}

.dashboard-container {
  max-width: 1000px;
  margin: 40px auto;
}

.dashboard-header {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 40px;
  margin-bottom: 40px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  animation: fadeInUp 0.6s ease;
}

.user-info-header {
  display: flex;
  align-items: center;
  gap: 25px;
}

.user-avatar-large {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  border: 4px solid var(--accent-primary);
  object-fit: cover;
  box-shadow: 0 4px 16px rgba(102, 126, 234, 0.3);
  transition: all 0.3s ease;
}

.user-avatar-large:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 24px rgba(102, 126, 234, 0.5);
}

.dashboard-header h1 {
  font-size: 32px;
  color: var(--text-primary);
  margin-bottom: 5px;
}

.dashboard-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  margin-bottom: 40px;
}

.dashboard-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 30px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  animation: fadeInUp 0.8s ease;
}

.dashboard-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-primary);
  box-shadow: var(--hover-shadow);
}

.card-icon {
  font-size: 42px;
  margin-bottom: 15px;
  color: var(--accent-primary);
}

.dashboard-card h3 {
  font-size: 16px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.active-plan-card {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  border-color: var(--accent-primary);
  box-shadow: 0 8px 24px rgba(102, 126, 234, 0.3);
}

.active-plan-card h3,
.active-plan-card .plan-name,
.active-plan-card .plan-price {
  color: #fff;
}

.plan-info {
  text-align: center;
}

.plan-name {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.plan-price {
  font-size: 18px;
  color: var(--text-secondary);
}

.limit-info, .validity-info {
  text-align: center;
}

.limit-number, .validity-date {
  font-size: 48px;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 10px;
}

.limit-text, .validity-days {
  font-size: 14px;
  color: var(--text-secondary);
}

.api-keys-section {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 40px;
  margin-bottom: 40px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  animation: fadeInUp 1s ease;
}

.section-header {
  margin-bottom: 30px;
}

.section-header h2 {
  font-size: 28px;
  color: var(--text-primary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-header p {
  font-size: 15px;
  color: var(--text-secondary);
}

.api-key-card-dashboard {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 30px;
  margin-bottom: 25px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.api-key-card-dashboard:hover {
  transform: translateY(-4px);
  border-color: var(--accent-primary);
  box-shadow: 0 8px 24px rgba(102, 126, 234, 0.2);
}

.key-header-dashboard {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 25px;
  flex-wrap: wrap;
  gap: 15px;
}
.key-status {
  padding: 8px 18px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.key-status.active {
  background: var(--success-color);
  color: #fff;
  box-shadow: 0 2px 8px rgba(76, 175, 80, 0.3);
}

.key-status.inactive {
  background: var(--error-color);
  color: #fff;
  box-shadow: 0 2px 8px rgba(255, 68, 68, 0.3);
}

.key-type-badge {
  padding: 8px 18px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.key-type-badge.free {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  color: #fff;
}

.key-type-badge.premium {
  background: linear-gradient(135deg, #ffd700 0%, #ffb800 100%);
  color: #000;
}

.key-value-display {
  margin-bottom: 25px;
}

.key-value-display .key-label {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
  font-weight: 600;
}

.key-value-display .key-value-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  transition: all 0.3s ease;
}

.key-value-display .key-value-wrapper:hover {
  border-color: var(--accent-primary);
  background: var(--bg-secondary);
}

.key-value-display .key-value {
  font-family: 'Courier New', monospace;
  font-size: 14px;
  color: var(--accent-primary);
  word-break: break-all;
  flex: 1;
  line-height: 1.6;
}

.copy-key-btn-small {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  color: #fff;
  border: none;
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 3px 10px rgba(102, 126, 234, 0.3);
  flex-shrink: 0;
}

.copy-key-btn-small:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 5px 15px rgba(102, 126, 234, 0.5);
}

.copy-key-btn-small.copied {
  background: var(--success-color);
  box-shadow: 0 3px 10px rgba(76, 175, 80, 0.3);
}

.key-usage {
  margin-bottom: 25px;
}
.usage-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.usage-header span {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 600;
}

.usage-count {
  color: var(--accent-primary);
  font-size: 15px;
}

.usage-bar {
  width: 100%;
  height: 10px;
  background: var(--bg-tertiary);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.usage-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  transition: width 0.3s ease;
  border-radius: 10px;
}

.key-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 20px;
}

.key-meta-grid .meta-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px;
  background: var(--bg-tertiary);
  border-radius: 10px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.key-meta-grid .meta-item:hover {
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

.meta-icon {
  font-size: 24px;
  color: var(--accent-primary);
}

.meta-label {
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.meta-value {
  font-size: 20px;
  color: var(--text-primary);
  font-weight: 700;
}

.meta-value.warning {
  color: var(--error-color);
}

.dashboard-actions {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.upgrade-btn, .docs-btn {
  padding: 16px 36px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.upgrade-btn {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  color: #fff;
  box-shadow: 0 4px 16px rgba(102, 126, 234, 0.3);
}

.upgrade-btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 8px 24px rgba(102, 126, 234, 0.5);
}

.docs-btn {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.docs-btn:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #fff;
  transform: translateY(-3px);
}

.revoke-btn {
  background: var(--error-color);
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.revoke-btn:hover {
  background: #cc0000;
  transform: scale(1.05);
}

.docs-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 0;
}

.docs-container h1 {
  font-size: 42px;
  margin-bottom: 30px;
  color: var(--text-primary);
}

.doc-section {
  margin-bottom: 40px;
}

.doc-section h2 {
  font-size: 28px;
  margin-bottom: 15px;
  color: var(--text-primary);
}

.doc-section h3 {
  font-size: 22px;
  margin: 25px 0 15px;
  color: var(--text-secondary);
}

.doc-section p {
  color: var(--text-secondary);
  margin-bottom: 15px;
  line-height: 1.8;
}

.method-badge {
  display: inline-block;
  background: var(--accent-primary);
  color: #fff;
  padding: 6px 16px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 10px;
}

.code-block {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  padding-right: 80px;
  margin: 15px 0;
  position: relative;
  overflow-x: auto;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.code-block:hover {
  border-color: var(--accent-primary);
  box-shadow: 0 6px 32px rgba(0, 0, 0, 0.15);
}

.code-block code, .code-block pre {
  font-family: 'Courier New', monospace;
  font-size: 14px;
  color: var(--text-secondary);
  white-space: pre-wrap;
  word-wrap: break-word;
  line-height: 1.6;
}

.copy-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.copy-btn:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

.copy-btn.copied {
  background: var(--success-color);
  box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

.test-container {
  max-width: 800px;
  margin: 40px auto;
}

.test-form {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 30px;
  margin-bottom: 30px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.test-form:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--hover-shadow);
}

.test-form h3 {
  font-size: 24px;
  margin-bottom: 20px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
}

.test-btn {
  width: 100%;
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  color: #fff;
  border: none;
  padding: 16px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  margin-top: 10px;
  box-shadow: 0 4px 16px rgba(102, 126, 234, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.test-btn:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 24px rgba(102, 126, 234, 0.5);
}

.test-btn:disabled {
  background: var(--bg-tertiary);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.test-result {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 30px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  animation: fadeInUp 0.5s ease;
}

.test-result h3 {
  font-size: 24px;
  margin-bottom: 20px;
  color: var(--text-primary);
}

#test-output {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
  max-height: 500px;
  overflow-y: auto;
}

#test-output pre {
  color: var(--text-secondary);
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: 'Courier New', monospace;
  font-size: 14px;
  line-height: 1.6;
}

.admin-login {
  max-width: 400px;
  margin: 100px auto;
  text-align: center;
}

.admin-login h1 {
  font-size: 36px;
  margin-bottom: 30px;
  color: var(--text-primary);
}

.login-form {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.login-form:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--hover-shadow);
}

.login-btn {
  width: 100%;
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  color: #fff;
  border: none;
  padding: 16px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  margin-top: 20px;
  box-shadow: 0 4px 16px rgba(102, 126, 234, 0.3);
}

.login-btn:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 24px rgba(102, 126, 234, 0.5);
}

.admin-panel {
  padding: 40px 0;
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 20px;
}

.admin-header h1 {
  font-size: 36px;
  color: var(--text-primary);
}

.logout-btn {
  background: linear-gradient(135deg, var(--error-color) 0%, #cc0000 100%);
  color: #fff;
  border: none;
  padding: 12px 24px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 12px rgba(255, 68, 68, 0.3);
}

.logout-btn:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 6px 20px rgba(255, 68, 68, 0.5);
}

.admin-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.admin-section {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 30px;
  margin-bottom: 30px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.admin-section:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--hover-shadow);
}

.admin-section h2 {
  font-size: 24px;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.create-key-form {
  display: grid;
  gap: 15px;
}

.create-btn {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  color: #fff;
  border: none;
  padding: 16px 32px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.create-btn:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

.keys-table {
  overflow-x: auto;
}

.api-key-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 20px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.api-key-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(102, 126, 234, 0.2);
  border-color: var(--accent-primary);
}

.key-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
  gap: 15px;
  flex-wrap: wrap;
}

.key-value-container {
  flex: 1;
  min-width: 0;
}

.key-label {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
  font-weight: 600;
}

.key-value-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 12px 16px;
  transition: all 0.3s ease;
}

.key-value-wrapper:hover {
  border-color: var(--accent-primary);
  background: var(--bg-secondary);
}

.key-value {
  font-family: 'Courier New', monospace;
  font-size: 14px;
  color: var(--accent-primary);
  word-break: break-all;
  flex: 1;
  line-height: 1.6;
}

.key-copy-btn {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 3px 10px rgba(102, 126, 234, 0.3);
  flex-shrink: 0;
}

.key-copy-btn:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 5px 15px rgba(102, 126, 234, 0.5);
}

.key-copy-btn.copied {
  background: var(--success-color);
  box-shadow: 0 3px 10px rgba(76, 175, 80, 0.3);
}

.key-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 15px;
  margin-bottom: 20px;
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.text-warning {
  color: var(--error-color) !important;
}
.status-badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
}

.status-active {
  background: var(--success-color);
  color: #fff;
  box-shadow: 0 2px 8px rgba(76, 175, 80, 0.3);
}

.status-inactive {
  background: var(--error-color);
  color: #fff;
  box-shadow: 0 2px 8px rgba(255, 68, 68, 0.3);
}

.key-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.action-btn {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
}

.action-btn:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #fff;
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.action-btn.delete:hover {
  background: var(--error-color);
  border-color: var(--error-color);
  box-shadow: 0 4px 12px rgba(255, 68, 68, 0.4);
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 12px;
  margin-top: 20px;
}

thead tr {
  background: transparent;
}

th {
  padding: 12px 16px;
  text-align: left;
  color: var(--accent-primary);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 700;
  border: none;
}

tbody tr {
  background: var(--card-bg);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 12px;
}

tbody tr:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(102, 126, 234, 0.2);
}

td {
  padding: 20px 16px;
  color: var(--text-primary);
  font-size: 14px;
  border: none;
  background: transparent;
}

tbody tr td:first-child {
  border-top-left-radius: 12px;
  border-bottom-left-radius: 12px;
}

tbody tr td:last-child {
  border-top-right-radius: 12px;
  border-bottom-right-radius: 12px;
}

.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 16px 24px;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  z-index: 10000;
  font-weight: 600;
  font-size: 14px;
  max-width: 350px;
  word-wrap: break-word;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideInRight 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideInRight {
  from { transform: translateX(400px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 40px 0;
  margin-top: 80px;
}

.footer-content {
  display: flex;
  justify-content: space-around;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}

.footer-box {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 20px 30px;
  display: flex;
  align-items: center;
  gap: 15px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: default;
}

.footer-box:hover {
  transform: translateY(-4px);
  border-color: var(--accent-primary);
  box-shadow: 0 8px 24px rgba(102, 126, 234, 0.2);
}

.telegram-box {
  cursor: pointer;
}

.telegram-box:hover {
  transform: translateY(-6px) scale(1.05);
  border-color: #0088cc;
  box-shadow: 0 12px 32px rgba(0, 136, 204, 0.3);
}

.footer-icon {
  font-size: 32px;
  color: var(--accent-primary);
}

.footer-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.footer-text strong {
  font-size: 16px;
  color: var(--text-primary);
  font-weight: 700;
}

.footer-text span {
  font-size: 13px;
  color: var(--text-secondary);
}

.pricing-comparison {
  max-width: 1000px;
  margin: 60px auto;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 50px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.comparison-header {
  text-align: center;
  margin-bottom: 40px;
}

.comparison-header h2 {
  font-size: 32px;
  margin-bottom: 10px;
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
}

.comparison-table th {
  padding: 20px;
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  color: #fff;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.comparison-table td {
  padding: 20px;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}

.comparison-table tr:hover {
  background: var(--bg-tertiary);
}

.check-icon {
  color: var(--success-color);
  font-size: 20px;
}

.cross-icon {
  color: var(--error-color);
  font-size: 20px;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 20px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  }

  .nav-links.active {
    display: flex;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero-title {
    font-size: 32px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .stats-grid, .features-grid, .pricing-grid {
    grid-template-columns: 1fr;
  }

  .user-info-header {
    flex-direction: column;
    text-align: center;
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .dashboard-actions {
    flex-direction: column;
  }

  .upgrade-btn, .docs-btn {
    width: 100%;
  }

  .footer-content {
    flex-direction: column;
  }

  .footer-box {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }

  .modal-content {
    padding: 40px 30px;
    max-width: 95%;
  }

  .calculator-grid {
    grid-template-columns: 1fr;
  }

  .calculator-section {
    padding: 30px 20px;
  }

  .admin-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .admin-stats {
    grid-template-columns: 1fr;
  }

  .key-actions {
    flex-direction: column;
  }

  .action-btn {
    width: 100%;
    text-align: center;
  }

  .api-key-card {
    padding: 20px;
  }

  .key-header {
    flex-direction: column;
  }

  .key-meta {
    grid-template-columns: 1fr;
  }

  table {
    display: none;
  }

  .notification {
    right: 10px;
    left: 10px;
    max-width: calc(100% - 20px);
  }

  .comparison-table {
    font-size: 12px;
  }

  .comparison-table th, .comparison-table td {
    padding: 10px;
  }
}

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

.animate-gradient {
  background: linear-gradient(-45deg, var(--accent-primary), var(--accent-secondary), var(--accent-primary), var(--accent-secondary));
  background-size: 400% 400%;
  animation: gradient 15s ease infinite;
}

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

.animate-rotate {
  animation: rotate 20s linear infinite;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.fade-in {
  animation: fadeIn 0.6s ease;
}

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

.scale-up {
  animation: scaleUp 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.glow {
  box-shadow: 0 0 20px rgba(102, 126, 234, 0.5);
  animation: glow 2s ease-in-out infinite;
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 20px rgba(102, 126, 234, 0.5); }
  50% { box-shadow: 0 0 40px rgba(102, 126, 234, 0.8); }
    }