/* Vetmivo Phase 18 - Premium SaaS Subscription Billing & Revenue Stylesheet */

:root {
  --billing-primary: #4f46e5;
  --billing-primary-hover: #4338ca;
  --billing-primary-light: #e0e7ff;
  --billing-success: #10b981;
  --billing-success-light: #d1fae5;
  --billing-warning: #f59e0b;
  --billing-warning-light: #fef3c7;
  --billing-danger: #ef4444;
  --billing-dark: #0f172a;
  --billing-muted: #64748b;
  --billing-border: #e2e8f0;
  --billing-card-bg: #ffffff;
  --billing-surface: #f8fafc;
}

/* Page Layout */
.billing-plans-page {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0.5rem 0 3rem;
}

/* Hero Section */
.billing-hero {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 2.5rem;
}

.billing-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #ede9fe;
  color: #6d28d9;
  padding: 4px 14px;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.billing-hero-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--billing-dark);
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.billing-hero-subtitle {
  font-size: 1rem;
  color: var(--billing-muted);
  line-height: 1.6;
  margin: 0 auto;
}

/* Modern Interval Switcher Toggle */
.billing-toggle-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 3rem;
}

.billing-toggle-container {
  display: inline-flex;
  align-items: center;
  background: #e2e8f0;
  padding: 5px;
  border-radius: 9999px;
  position: relative;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.06);
}

.billing-toggle-btn {
  background: transparent;
  border: none;
  padding: 8px 22px;
  border-radius: 9999px;
  font-size: 0.9rem;
  font-weight: 600;
  color: #475569;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.billing-toggle-btn.active {
  background: #ffffff;
  color: #1e1b4b;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  font-weight: 700;
}

.billing-discount-badge {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 9999px;
  box-shadow: 0 2px 6px rgba(16, 185, 129, 0.35);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.85; transform: scale(1.03); }
}

/* Plan Cards Grid */
.billing-plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  align-items: stretch;
  margin-bottom: 4rem;
}

.billing-card {
  background: var(--billing-card-bg);
  border: 1.5px solid var(--billing-border);
  border-radius: 20px;
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.billing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.billing-card.featured {
  border-color: #6366f1;
  background: linear-gradient(180deg, #ffffff 0%, #f8faff 100%);
  box-shadow: 0 20px 30px -10px rgba(99, 102, 241, 0.2);
  transform: scale(1.03);
  z-index: 2;
}

.billing-card.featured:hover {
  transform: scale(1.03) translateY(-4px);
}

.billing-card.current-active {
  border-color: #10b981;
  background: linear-gradient(180deg, #ffffff 0%, #f0fdf4 100%);
}

.billing-card-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  color: #ffffff;
  font-size: 0.725rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  padding: 4px 14px;
  border-radius: 9999px;
  text-transform: uppercase;
  box-shadow: 0 4px 10px rgba(79, 70, 229, 0.35);
  white-space: nowrap;
}

.billing-current-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: #10b981;
  color: #ffffff;
  font-size: 0.725rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  padding: 4px 14px;
  border-radius: 9999px;
  text-transform: uppercase;
  box-shadow: 0 4px 10px rgba(16, 185, 129, 0.3);
  white-space: nowrap;
}

/* Card Header */
.billing-card-header {
  margin-bottom: 1.5rem;
}

.billing-plan-name {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--billing-dark);
  margin: 0 0 0.5rem 0;
}

.billing-plan-desc {
  font-size: 0.875rem;
  color: var(--billing-muted);
  line-height: 1.5;
  min-height: 42px;
  margin: 0;
}

/* Pricing Area */
.billing-price-box {
  padding: 1.25rem 0;
  border-top: 1px solid var(--billing-border);
  border-bottom: 1px solid var(--billing-border);
  margin-bottom: 1.75rem;
}

.billing-price-main {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.billing-price-currency {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--billing-dark);
}

.billing-price-amount {
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--billing-dark);
  letter-spacing: -0.03em;
  line-height: 1;
}

.billing-price-period {
  font-size: 0.875rem;
  color: var(--billing-muted);
  font-weight: 500;
}

.billing-price-subtext {
  font-size: 0.8rem;
  color: var(--billing-muted);
  margin-top: 0.4rem;
}

.billing-savings-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #dcfce7;
  color: #15803d;
  font-size: 0.775rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 6px;
  margin-top: 0.5rem;
}

/* Features List */
.billing-features-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  font-weight: 700;
  color: #475569;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.billing-features-list {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem 0;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.billing-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.875rem;
  color: #334155;
  line-height: 1.4;
}

.billing-feature-item.highlight {
  font-weight: 600;
  color: var(--billing-dark);
}

.billing-feature-item.disabled {
  color: #94a3b8;
  text-decoration: line-through;
  opacity: 0.65;
}

.billing-feature-icon {
  flex-shrink: 0;
  margin-top: 1px;
}

/* Card CTA Button */
.billing-btn-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 0.875rem 1.5rem;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  text-decoration: none;
}

.billing-btn-cta.btn-featured {
  background: linear-gradient(135deg, #4f46e5 0%, #4338ca 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.4);
}

.billing-btn-cta.btn-featured:hover {
  background: linear-gradient(135deg, #4338ca 0%, #3730a3 100%);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(79, 70, 229, 0.5);
}

.billing-btn-cta.btn-standard {
  background: #f1f5f9;
  color: #1e293b;
  border: 1px solid #cbd5e1;
}

.billing-btn-cta.btn-standard:hover {
  background: #e2e8f0;
  color: #0f172a;
}

.billing-btn-cta.btn-current {
  background: #f0fdf4;
  color: #166534;
  border: 1px solid #bbf7d0;
  cursor: default;
}

/* Trust & Guarantee Banner */
.billing-trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  background: #ffffff;
  border: 1px solid var(--billing-border);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.billing-trust-item {
  display: flex;
  align-items: center;
  gap: 14px;
}

.billing-trust-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--billing-primary);
  flex-shrink: 0;
}

.billing-trust-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--billing-dark);
  margin-bottom: 2px;
}

/* Platform Admin Billing Dashboard Metrics */
.billing-metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.billing-metric-card {
  background: #ffffff;
  border: 1px solid var(--billing-border);
  border-radius: 14px;
  padding: 1.25rem 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.billing-metric-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}

.billing-metric-title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--billing-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.billing-metric-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--billing-dark);
  line-height: 1.2;
}

.billing-metric-sub {
  font-size: 0.775rem;
  color: var(--billing-muted);
}