/* TehServer.Online - Main Styles */
:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --secondary: #10b981;
  --dark: #1f2937;
  --darker: #111827;
  --light: #f9fafb;
  --gray: #6b7280;
  --border: #374151;
  --danger: #ef4444;
  --warning: #f59e0b;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  background: var(--darker);
  color: var(--light);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Container */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
  text-align: center;
}

/* Navigation */
.nav {
  background: var(--dark);
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.nav-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--light);
}

.nav-links {
  display: flex;
  gap: 24px;
  align-items: center;
}

.nav-links a {
  color: var(--gray);
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--light);
  text-decoration: none;
}

.nav-links a.btn {
  color: white;
}

.nav-links a.btn:hover {
  color: white;
}

/* Mobile menu toggle - HIDDEN by default */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--light);
}

.nav-toggle svg {
  width: 28px;
  height: 28px;
  display: block;
}

/* Mobile nav overlay - HIDDEN by default */
.nav-mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--darker);
  z-index: 9999;
  padding: 20px;
  flex-direction: column;
}

.nav-mobile.open {
  display: flex;
}

.nav-mobile-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
}

.nav-mobile-close {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--light);
}

.nav-mobile-close svg {
  width: 28px;
  height: 28px;
  display: block;
}

.nav-mobile-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav-mobile-links a {
  color: var(--light);
  font-size: 1.25rem;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.nav-mobile-links a:hover {
  text-decoration: none;
  color: var(--primary);
}

.nav-mobile-links a.btn {
  text-align: center;
  margin-top: 16px;
  border-bottom: none;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-align: center;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-dark);
  text-decoration: none;
}

.btn-secondary {
  background: transparent;
  color: var(--light);
  border: 2px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
  text-decoration: none;
}

.btn-success {
  background: var(--secondary);
  color: white;
}

.btn-large {
  padding: 16px 32px;
  font-size: 1.1rem;
}

.btn-block {
  display: block;
  width: 100%;
}

/* Hero Section */
.hero {
  padding: 80px 0;
  text-align: center;
  background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 100%);
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero .subtitle {
  font-size: 1.2rem;
  color: var(--gray);
  max-width: 600px;
  margin: 0 auto 40px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Features */
.features {
  padding: 80px 0;
}

.features h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 48px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--dark);
  padding: 32px;
  border-radius: 12px;
  border: 1px solid var(--border);
  text-align: center;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--gray);
}

/* Pricing */
.pricing {
  padding: 80px 0;
}

.pricing h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 16px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 700px;
  margin: 32px auto 0;
}

.price-card {
  background: var(--dark);
  padding: 40px 32px;
  border-radius: 16px;
  border: 2px solid var(--border);
  text-align: center;
  transition: border-color 0.2s, transform 0.2s;
}

.price-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}

.price-card.featured {
  border-color: var(--primary);
  position: relative;
  background: linear-gradient(180deg, var(--dark) 0%, rgba(99, 102, 241, 0.05) 100%);
}

.price-card.featured::before {
  content: 'Best Value';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: white;
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

.price-card h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.price-original {
  font-size: 1.25rem;
  color: var(--gray);
  text-decoration: line-through;
  margin-bottom: 4px;
}

.price-amount {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.price-savings {
  color: var(--secondary);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 8px;
}

.price-limited {
  color: var(--warning);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.price-period {
  color: var(--gray);
  margin-bottom: 24px;
}

.price-features {
  list-style: none;
  margin-bottom: 32px;
  text-align: left;
}

.price-features li {
  padding: 8px 0;
  color: var(--gray);
}

.price-features li::before {
  content: '✓';
  color: var(--secondary);
  margin-right: 8px;
}

/* Stripe Disclaimer */
.stripe-disclaimer {
  margin-top: 48px;
  padding: 24px;
  background: rgba(255,255,255,0.03);
  border-radius: 12px;
  text-align: center;
}

.stripe-disclaimer-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 12px;
}

.stripe-disclaimer-header svg {
  color: var(--secondary);
}

.stripe-disclaimer-header span {
  font-weight: 600;
  color: var(--light);
}

.stripe-disclaimer p {
  color: var(--gray);
  font-size: 0.85rem;
  line-height: 1.6;
  max-width: 600px;
  margin: 0 auto;
}

.stripe-disclaimer a {
  color: #60a5fa;
}

/* Forms */
.form-container {
  max-width: 400px;
  margin: 60px auto;
  padding: 40px;
  background: var(--dark);
  border-radius: 16px;
  border: 1px solid var(--border);
}

.form-container h1 {
  font-size: 1.75rem;
  margin-bottom: 8px;
  text-align: center;
}

.form-container .subtitle {
  color: var(--gray);
  text-align: center;
  margin-bottom: 32px;
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--darker);
  color: var(--light);
  font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group small {
  display: block;
  margin-top: 6px;
  font-size: 0.8rem;
}

.form-error {
  color: var(--danger);
  font-size: 0.875rem;
  margin-top: 8px;
}

.form-footer {
  text-align: center;
  margin-top: 24px;
  color: var(--gray);
}

/* Dashboard */
.dashboard {
  padding: 40px 0;
}

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

.dashboard-header h1 {
  font-size: 2rem;
  margin-bottom: 8px;
}

.dashboard-header p {
  color: var(--gray);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.dashboard-card {
  background: var(--dark);
  padding: 24px;
  border-radius: 12px;
  border: 1px solid var(--border);
  text-align: center;
}

.dashboard-card h3 {
  font-size: 1rem;
  color: var(--gray);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.dashboard-card .value {
  font-size: 1.5rem;
  font-weight: 600;
}

/* Quick Links */
.quick-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 40px;
}

.quick-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 24px 20px;
  background: var(--dark);
  border-radius: 12px;
  border: 1px solid var(--border);
  transition: all 0.2s;
  text-align: center;
}

.quick-link:hover {
  border-color: var(--primary);
  text-decoration: none;
  transform: translateY(-2px);
}

.quick-link .icon {
  font-size: 2rem;
}

.quick-link .label {
  font-weight: 500;
  color: var(--light);
}

.quick-link .note {
  font-size: 0.8rem;
  color: var(--gray);
}

/* Alert */
.alert {
  padding: 16px 20px;
  border-radius: 8px;
  margin-bottom: 24px;
  text-align: center;
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--secondary);
  color: var(--secondary);
}

.alert-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--danger);
  color: var(--danger);
}

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid var(--warning);
  color: var(--warning);
}

/* Status Badge */
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
}

.badge-success {
  background: rgba(16, 185, 129, 0.2);
  color: var(--secondary);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.2);
  color: var(--warning);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.2);
  color: var(--danger);
}

/* Footer */
.footer {
  padding: 40px 0;
  text-align: center;
  color: var(--gray);
  border-top: 1px solid var(--border);
  margin-top: 80px;
}

/* Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-gray { color: var(--gray); }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }

/* Loading spinner */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--gray);
  border-radius: 50%;
  border-top-color: var(--primary);
  animation: spin 0.8s linear infinite;
}

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

/* Section divider */
.section-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}

/* Responsive - Tablet and Mobile */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .nav-toggle {
    display: block;
  }
  
  .hero {
    padding: 60px 0;
  }
  
  .hero h1 {
    font-size: 2.25rem;
  }
  
  .hero .subtitle {
    font-size: 1rem;
    padding: 0 10px;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
    padding: 0 20px;
  }
  
  .hero-buttons .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .form-container {
    margin: 40px 20px;
    padding: 24px;
  }
  
  .features {
    padding: 60px 0;
  }
  
  .pricing {
    padding: 60px 0;
  }
  
  .pricing-grid {
    gap: 20px;
    padding: 0 10px;
  }
  
  .price-card {
    padding: 32px 24px;
  }
  
  .price-amount {
    font-size: 2.5rem;
  }
  
  .dashboard-grid {
    gap: 16px;
  }
  
  .quick-links {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  
  .quick-link {
    padding: 20px 16px;
  }
  
  .btn-large {
    padding: 14px 28px;
    font-size: 1rem;
  }
}

/* Responsive - Mobile */
@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.875rem;
  }
  
  .container {
    padding: 0 16px;
  }
  
  .nav-brand {
    font-size: 1.25rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .feature-card {
    padding: 24px;
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .quick-links {
    grid-template-columns: 1fr;
  }
  
  .form-container {
    margin: 20px 16px;
    padding: 20px;
  }
  
  .form-container h1 {
    font-size: 1.5rem;
  }
}