/* =========================================
   BuddyPlanner v2 — Upgrade (Premium) Screen
   ========================================= */

.upgrade-hero {
  padding: calc(var(--header-h) + var(--sp-6)) var(--sp-5) var(--sp-6);
  background: linear-gradient(145deg, #0f172a 0%, #1e293b 100%);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.upgrade-hero::before {
  content:''; position:absolute; inset:0;
  background: radial-gradient(circle at 50% 0%, rgba(217,119,6,0.3) 0%, transparent 60%);
  pointer-events: none;
}
.upg-crown {
  display: inline-flex; align-items: center; justify-content: center;
  width: 64px; height: 64px;
  background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
  border-radius: var(--r-full);
  margin-bottom: var(--sp-4);
  box-shadow: 0 0 30px rgba(217,119,6,0.4);
  color: #fff;
  position: relative;
  z-index: 2;
  animation: float 3s ease-in-out infinite;
}
.upg-title {
  font-size: var(--fs-3xl); font-weight: var(--fw-extrabold);
  letter-spacing: var(--ls-tight); margin-bottom: var(--sp-2);
  background: linear-gradient(135deg, #fff, var(--gold-300));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  position: relative; z-index: 2;
}
.upg-subtitle {
  font-size: var(--fs-base); color: var(--slate-300);
  margin-bottom: var(--sp-5);
  position: relative; z-index: 2;
}
.upg-price-box {
  display: inline-block; padding: var(--sp-3) var(--sp-6);
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--r-full);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  position: relative; z-index: 2;
}
.upg-price {
  font-size: var(--fs-2xl); font-weight: var(--fw-bold); color: var(--gold-400);
  font-family: var(--font-mono);
}
.upg-price span { font-size: var(--fs-sm); color: var(--slate-400); font-weight: var(--fw-normal); font-family: var(--font-sans); }

.upg-content { padding: var(--sp-6) var(--sp-5); }
.upg-feature-title { font-size: var(--fs-lg); font-weight: var(--fw-bold); margin-bottom: var(--sp-4); }

.feat-list { display: flex; flex-direction: column; gap: var(--sp-4); margin-bottom: var(--sp-8); }
.feat-item {
  display: flex; align-items: flex-start; gap: var(--sp-4);
  padding: var(--sp-4); background: var(--bg-card);
  border: 1px solid var(--border-subtle); border-radius: var(--r-lg);
  transition: all var(--dur-normal) var(--ease-out);
}
.feat-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); border-color: rgba(217,119,6,0.3); }
.feat-icon {
  width: 48px; height: 48px; border-radius: var(--r-full);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  background: var(--gold-dim); color: var(--gold-500);
}
.feat-icon.blue { background: rgba(59,130,246,0.1); color: #3b82f6; }
.feat-icon.green { background: rgba(16,185,129,0.1); color: #10b981; }
.feat-icon.purple { background: rgba(139,92,246,0.1); color: #8b5cf6; }
.feat-text { flex: 1; }
.feat-text h4 { font-size: var(--fs-base); font-weight: var(--fw-bold); margin-bottom: 2px; }
.feat-text p { font-size: var(--fs-sm); color: var(--text-500); line-height: var(--lh-relaxed); }

.upg-action { padding: var(--sp-2) var(--sp-5) var(--sp-6); }

.btn-upg {
  width: 100%; height: 56px; border-radius: var(--r-full);
  background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
  color: #fff; font-size: var(--fs-lg); font-weight: var(--fw-bold);
  display: flex; align-items: center; justify-content: center; gap: var(--sp-2);
  box-shadow: var(--glow-gold); transition: all var(--dur-normal) var(--ease-spring);
}
.btn-upg:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(217,119,6,0.3); }
.btn-upg:active { transform: translateY(0); }

/* Payment Simulation Modal */
.pay-loader {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: var(--sp-8) 0;
}
.pay-spinner {
  width: 50px; height: 50px;
  border: 4px solid var(--border-subtle);
  border-top-color: var(--gold-500);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: var(--sp-4);
}
.pay-msg { font-size: var(--fs-lg); font-weight: var(--fw-bold); color: var(--text-200); }
@keyframes spin { 100% { transform: rotate(360deg); } }

.pay-success { display: flex; flex-direction: column; align-items: center; text-align: center; padding: var(--sp-6) 0; }
.pay-success-icon {
  width: 80px; height: 80px; border-radius: 50%; background: var(--accent); color: #fff;
  display: flex; align-items: center; justify-content: center; margin-bottom: var(--sp-4);
  animation: popIn 0.5s var(--ease-spring);
}
.pay-success h3 { font-size: var(--fs-2xl); font-weight: var(--fw-bold); margin-bottom: var(--sp-2); }
.pay-success p { font-size: var(--fs-base); color: var(--text-500); margin-bottom: var(--sp-6); }

@keyframes popIn {
  0% { transform: scale(0); opacity: 0; }
  80% { transform: scale(1.1); opacity: 1; }
  100% { transform: scale(1); }
}