:root {
  --bg-main: #0b0f19;
  --bg-card: #131b2e;
  --bg-card-hover: #1c2742;
  --border-color: #243452;
  --primary: #38bdf8;
  --primary-glow: rgba(56, 189, 248, 0.25);
  --accent: #f59e0b;
  --accent-glow: rgba(245, 158, 11, 0.25);
  --success: #10b981;
  --danger: #ef4444;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --dana-blue: #118EEA;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Navbar */
.navbar {
  background: rgba(19, 27, 46, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 24px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #fff;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.5px;
}

.logo-badge {
  background: linear-gradient(135deg, #38bdf8, #2563eb);
  color: #fff;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.8rem;
}

.nav-links {
  display: flex;
  gap: 16px;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.2s;
  padding: 6px 12px;
  border-radius: 6px;
}

.nav-link:hover, .nav-link.active {
  color: #fff;
  background: var(--bg-card-hover);
}

/* Hero Section */
.hero-banner {
  background: linear-gradient(180deg, rgba(30, 58, 138, 0.3) 0%, rgba(11, 15, 25, 0) 100%);
  padding: 40px 20px 20px;
  text-align: center;
}

.hero-title {
  font-size: 2.2rem;
  font-weight: 800;
  background: linear-gradient(135deg, #ffffff 40%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 10px;
}

.hero-subtitle {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 650px;
  margin: 0 auto 20px;
}

.badge-pulse {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #34d399;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: #34d399;
  border-radius: 50%;
  box-shadow: 0 0 10px #34d399;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.7; }
}

/* Main Container */
.container {
  max-width: 1100px;
  margin: 20px auto 60px;
  padding: 0 20px;
  width: 100%;
}

.grid-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 24px;
}

@media (max-width: 900px) {
  .grid-layout {
    grid-template-columns: 1fr;
  }
}

/* Section Cards */
.card-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.4);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 14px;
}

.step-num {
  background: linear-gradient(135deg, #38bdf8, #2563eb);
  color: #fff;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.9rem;
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
}

/* Form Elements */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.form-input, .form-select {
  width: 100%;
  background: #0b0f19;
  border: 1px solid var(--border-color);
  color: #fff;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 0.95rem;
  transition: all 0.2s;
  outline: none;
}

.form-input:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

/* Package Grid Selection */
.package-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
}

.pkg-card {
  background: #0b0f19;
  border: 2px solid var(--border-color);
  border-radius: 10px;
  padding: 16px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.pkg-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  background: var(--bg-card-hover);
}

.pkg-card.selected {
  border-color: #38bdf8;
  background: rgba(56, 189, 248, 0.08);
  box-shadow: 0 0 15px var(--primary-glow);
}

.pkg-gem {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 6px;
}

.pkg-price {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent);
}

.pkg-badge {
  position: absolute;
  top: 0;
  right: 0;
  background: var(--accent);
  color: #000;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 2px 8px;
  border-bottom-left-radius: 8px;
}

/* Summary Box */
.summary-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 24px;
  position: sticky;
  top: 90px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.summary-row.total {
  border-top: 1px dashed var(--border-color);
  padding-top: 16px;
  margin-top: 16px;
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}

.total-price {
  color: var(--accent);
  font-size: 1.25rem;
}

.btn-primary {
  width: 100%;
  background: linear-gradient(135deg, #118EEA 0%, #0066c0 100%);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 14px;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 4px 15px rgba(17, 142, 234, 0.35);
  margin-top: 16px;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(17, 142, 234, 0.5);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Status Badges */
.status-badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
}

.status-PENDING { background: rgba(245, 158, 11, 0.2); color: #fbbf24; border: 1px solid #f59e0b; }
.status-PAID { background: rgba(56, 189, 248, 0.2); color: #38bdf8; border: 1px solid #38bdf8; }
.status-PROCESSING_BOT { background: rgba(168, 85, 247, 0.2); color: #c084fc; border: 1px solid #a855f7; animation: pulse 1.5s infinite; }
.status-SUCCESS { background: rgba(16, 185, 129, 0.2); color: #34d399; border: 1px solid #10b981; }
.status-FAILED { background: rgba(239, 68, 68, 0.2); color: #f87171; border: 1px solid #ef4444; }

/* QRIS / Barcode Display */
.qr-container {
  background: #fff;
  padding: 16px;
  border-radius: 12px;
  display: inline-block;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  margin: 16px 0;
  max-width: 280px;
  width: 100%;
}

.qr-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 6px;
}

/* Copy button */
.copy-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #0b0f19;
  border: 1px solid var(--border-color);
  padding: 10px 14px;
  border-radius: 8px;
  margin-top: 6px;
}

.copy-btn {
  background: var(--bg-card-hover);
  color: var(--primary);
  border: 1px solid var(--primary);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.copy-btn:hover {
  background: var(--primary);
  color: #000;
}

/* Footer */
.footer {
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  padding: 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}