/* Smart Analyzer - Desktop-First Responsive Design */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

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

:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --surface: rgba(255,255,255,0.05);
  --border: rgba(255,255,255,0.1);
  --accent: #667eea;
  --accent-light: #764ba2;
  --text: #ffffff;
  --text-muted: #9ca3af;
  --success: #10b981;
  --warning: #f59e0b;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: linear-gradient(135deg, #0a0e1a 0%, #1a1f35 100%);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Background Effects */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 70% 50%, rgba(118, 75, 162, 0.1) 0%, transparent 50%);
  animation: rotate 30s linear infinite;
  pointer-events: none;
  z-index: 0;
}

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

/* Container */
.sub-wrapper {
  position: relative;
  z-index: 1;
  max-width: 1400px;
  margin: 0 auto;
  padding: 40px 60px;
}

/* Header */
.sub-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 30px;
  background: rgba(255,255,255,0.03);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 16px;
  margin-bottom: 40px;
}

.sub-logo {
  display: flex;
  align-items: center;
  gap: 16px;
}

.sub-logo-icon {
  font-size: 48px;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.sub-logo-text {
  display: flex;
  flex-direction: column;
}

.sub-logo-name {
  font-size: 28px;
  font-weight: 900;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sub-logo-sub {
  font-size: 13px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
}

/* Cycle Toggle */
.sub-plan-toggle {
  display: inline-flex;
  gap: 8px;
  padding: 8px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 50px;
}

.plan-tab {
  padding: 14px 32px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 16px;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s;
  font-family: 'Inter', sans-serif;
}

.plan-tab.active {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  box-shadow: 0 8px 24px rgba(102, 126, 234, 0.4);
}

.plan-tab:hover:not(.active) {
  background: rgba(255,255,255,0.08);
  color: var(--text);
}

.plan-tab-badge {
  display: inline-block;
  margin-left: 8px;
  padding: 3px 10px;
  background: #f59e0b;
  color: #000;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
}

/* Plans Grid - Desktop First */
.sub-plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 60px;
}

.sub-plan {
  position: relative;
  background: rgba(255,255,255,0.03);
  border: 2px solid var(--border);
  border-radius: 24px;
  padding: 40px 30px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: center;
  overflow: hidden;
}

.sub-plan::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
  opacity: 0;
  transition: opacity 0.3s;
}

.sub-plan:hover {
  transform: translateY(-12px);
  border-color: rgba(102, 126, 234, 0.5);
  background: rgba(102, 126, 234, 0.05);
  box-shadow: 0 20px 60px rgba(102, 126, 234, 0.2);
}

.sub-plan:hover::before {
  opacity: 1;
}

.sub-plan.selected {
  transform: translateY(-12px) scale(1.05);
  border-color: #667eea;
  background: rgba(102, 126, 234, 0.1);
  box-shadow: 0 30px 80px rgba(102, 126, 234, 0.4);
}

.sub-plan.selected::before {
  opacity: 1;
  height: 6px;
}

.sub-plan.recommended {
  border-color: #f59e0b;
}

.plan-badge-rec {
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #000;
  padding: 6px 20px;
  border-radius: 0 0 12px 12px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.plan-icon {
  font-size: 64px;
  margin-bottom: 20px;
  filter: drop-shadow(0 0 20px rgba(102, 126, 234, 0.5));
}

.plan-name {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 12px;
}

.plan-tokens {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.token-val {
  font-size: 24px;
  font-weight: 700;
  color: #667eea;
}

.plan-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: 30px;
}

.price-cur {
  font-size: 24px;
  color: var(--text-muted);
}

.price-val {
  font-size: 56px;
  font-weight: 900;
  line-height: 1;
}

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

/* Payment Toggle */
.payment-toggle-btns {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-bottom: 40px;
}

.payment-toggle-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 40px;
  background: rgba(255,255,255,0.05);
  border: 2px solid var(--border);
  border-radius: 12px;
  color: var(--text-muted);
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  font-family: 'Inter', sans-serif;
}

.payment-toggle-btn:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(102, 126, 234, 0.3);
}

.payment-toggle-btn.active {
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.2) 100%);
  border-color: #667eea;
  color: var(--text);
  box-shadow: 0 8px 24px rgba(102, 126, 234, 0.3);
}

.payment-toggle-icon {
  font-size: 24px;
}

/* Payment Box */
.sub-payment-box {
  max-width: 800px;
  margin: 0 auto;
  background: rgba(255,255,255,0.03);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 40px;
}

.payment-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 12px;
}

.payment-title-icon {
  font-size: 28px;
}

.payment-summary {
  padding: 16px 20px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 30px;
  font-size: 16px;
  color: var(--text-muted);
}

.payment-summary strong {
  color: var(--text);
  font-weight: 700;
}

/* Responsive Design */
@media (max-width: 1200px) {
  .sub-wrapper {
    padding: 30px 40px;
  }
  
  .sub-plans {
    gap: 20px;
  }
}

@media (max-width: 900px) {
  .sub-plans {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .sub-plan:nth-child(3) {
    grid-column: 1 / -1;
    max-width: 400px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .sub-wrapper {
    padding: 20px;
  }
  
  .sub-header {
    flex-direction: column;
    gap: 20px;
    padding: 20px;
  }
  
  .sub-logo-icon {
    font-size: 36px;
  }
  
  .sub-logo-name {
    font-size: 22px;
  }
  
  .sub-plans {
    grid-template-columns: 1fr;
  }
  
  .sub-plan:nth-child(3) {
    max-width: none;
  }
  
  .payment-toggle-btns {
    flex-direction: column;
  }
  
  .payment-toggle-btn {
    width: 100%;
  }
  
  .sub-payment-box {
    padding: 24px;
  }
}

@media (max-width: 480px) {
  .sub-plan {
    padding: 30px 20px;
  }
  
  .plan-icon {
    font-size: 48px;
  }
  
  .plan-name {
    font-size: 22px;
  }
  
  .price-val {
    font-size: 42px;
  }
}


/* Local Payment Form */
.local-payment-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.instruction-step {
  display: flex;
  gap: 20px;
  padding: 20px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.step-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 50%;
  font-size: 20px;
  font-weight: 800;
}

.step-content {
  flex: 1;
}

.step-content strong {
  display: block;
  font-size: 18px;
  margin-bottom: 12px;
}

.amount-display {
  font-size: 32px;
  font-weight: 900;
  color: #667eea;
  margin-top: 8px;
}

.payment-number {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: 'Courier New', monospace;
  font-size: 20px;
  font-weight: 600;
  margin-top: 8px;
}

.copy-btn {
  padding: 8px 14px;
  background: rgba(102, 126, 234, 0.2);
  border: 1px solid rgba(102, 126, 234, 0.3);
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
  transition: all 0.3s;
  color: var(--text);
}

.copy-btn:hover {
  background: rgba(102, 126, 234, 0.4);
  transform: scale(1.05);
}

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

.form-group label {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.form-group input {
  padding: 14px 18px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 16px;
  font-family: 'Inter', sans-serif;
  transition: all 0.3s;
}

.form-group input:focus {
  outline: none;
  border-color: #667eea;
  background: rgba(255,255,255,0.08);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

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

.form-note {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 20px;
  background: rgba(102, 126, 234, 0.1);
  border: 1px solid rgba(102, 126, 234, 0.2);
  border-radius: 12px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

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

.submit-payment-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 18px 32px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  border-radius: 12px;
  color: white;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s;
  font-family: 'Inter', sans-serif;
  box-shadow: 0 8px 24px rgba(102, 126, 234, 0.4);
}

.submit-payment-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(102, 126, 234, 0.5);
}

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

.btn-icon {
  font-size: 20px;
}

.btn-text {
  font-size: 18px;
}

/* Success Screen */
.payment-success {
  text-align: center;
  padding: 60px 40px;
}

.success-icon-anim {
  font-size: 100px;
  animation: bounce 1s ease;
}

@keyframes bounce {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.2); }
}

.sub-close-btn {
  padding: 16px 40px;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  border: none;
  border-radius: 12px;
  color: white;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s;
  font-family: 'Inter', sans-serif;
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.4);
}

.sub-close-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(16, 185, 129, 0.5);
}

/* PayPal Container */
.paypal-container {
  margin-top: 30px;
  padding: 30px;
  background: rgba(255,255,255,0.03);
  border: 2px solid var(--border);
  border-radius: 16px;
}

.payment-secure-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 20px;
  padding: 14px 20px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: 10px;
  font-size: 15px;
  color: var(--text-muted);
}

.secure-icon {
  font-size: 20px;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.1); }
}

/* User Info in Header */
.user-info {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 24px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 50px;
  backdrop-filter: blur(10px);
}

.user-email {
  font-size: 15px;
  font-weight: 500;
}

.btn-signout {
  padding: 10px 20px;
  background: rgba(255,255,255,0.1);
  border: 1px solid var(--border);
  border-radius: 50px;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  font-family: 'Inter', sans-serif;
}

.btn-signout:hover {
  background: rgba(255,255,255,0.15);
  transform: scale(1.05);
}

.header-signin-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 28px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  border-radius: 50px;
  color: white;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  font-family: 'Inter', sans-serif;
  box-shadow: 0 4px 16px rgba(102, 126, 234, 0.4);
}

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