/* Modern Premium Sleek Dark Theme Design System */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
  --bg-primary: #080c14;
  --bg-secondary: #0f172a;
  --bg-card: rgba(30, 41, 59, 0.4);
  --border-color: rgba(255, 255, 255, 0.06);
  --border-focus: rgba(99, 102, 241, 0.4);
  
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-indigo: #6366f1;
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;
  --accent-amber: #f59e0b;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --font-title: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.25);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.06) 0%, transparent 40%);
  background-attachment: fixed;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  font-weight: 700;
  letter-spacing: -0.02em;
}

a {
  color: var(--accent-indigo);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--accent-purple);
}

/* Navbar */
header {
  border-bottom: 1px solid var(--border-color);
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-indigo), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent-indigo), var(--accent-purple));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 900;
  font-size: 1.1rem;
  box-shadow: var(--shadow-glow);
}

.nav-menu {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  list-style: none;
}

/* Buttons */
.btn {
  padding: 0.6rem 1.4rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-indigo), var(--accent-purple));
  color: white;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.btn-danger {
  background: rgba(244, 63, 94, 0.1);
  color: var(--accent-rose);
  border-color: rgba(244, 63, 94, 0.2);
}

.btn-danger:hover {
  background: var(--accent-rose);
  color: white;
}

/* Hero Section */
.hero {
  max-width: 1200px;
  margin: 4rem auto;
  padding: 0 2rem;
  text-align: center;
}

.hero h1 {
  font-size: 3.5rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.gradient-text {
  background: linear-gradient(135deg, #60a5fa, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 2.5rem;
}

/* Packages Grid */
.packages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 2rem auto 4rem;
  padding: 0 2rem;
}

.package-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  backdrop-filter: blur(16px);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.package-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-focus);
  box-shadow: var(--shadow-md);
}

.package-card.popular::before {
  content: 'POPULAR';
  position: absolute;
  top: 15px;
  right: -30px;
  background: linear-gradient(135deg, var(--accent-indigo), var(--accent-purple));
  color: white;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.25rem 2.5rem;
  transform: rotate(45deg);
}

.package-name {
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.package-price {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.package-price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-secondary);
}

.package-desc {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-size: 0.95rem;
}

.package-features {
  list-style: none;
  margin-bottom: 2.5rem;
  flex-grow: 1;
}

.package-features li {
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.package-features li::before {
  content: '✓';
  color: var(--accent-emerald);
  font-weight: bold;
}

/* Card */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-sm);
  margin-bottom: 2rem;
}

/* Forms */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-indigo);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.15);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 2rem;
}

/* Auth Pages Container */
.auth-container {
  max-width: 450px;
  margin: 5rem auto;
  padding: 0 1.5rem;
}

/* Grid helper */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

th, td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

th {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.9rem;
  background: rgba(255, 255, 255, 0.02);
}

tr:hover td {
  background: rgba(255, 255, 255, 0.01);
}

/* Status Badges */
.badge {
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  display: inline-block;
}

.badge-active {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-pending {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge-expired {
  background: rgba(244, 63, 94, 0.15);
  color: var(--accent-rose);
  border: 1px solid rgba(244, 63, 94, 0.2);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 1000;
  justify-content: center;
  align-items: center;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  max-width: 500px;
  width: 90%;
  padding: 2.5rem;
  position: relative;
  box-shadow: var(--shadow-lg);
  animation: modalEnter 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalEnter {
  from {
    transform: scale(0.9) translateY(20px);
    opacity: 0;
  }
  to {
    transform: scale(1) translateY(0);
    opacity: 1;
  }
}

.close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
  transition: var(--transition);
}

.close-btn:hover {
  color: var(--text-primary);
}

/* QRIS Payment Box */
.qris-box {
  background: white;
  padding: 1.5rem;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 1.5rem 0;
  box-shadow: var(--shadow-sm);
}

.qris-box img {
  width: 220px;
  height: 220px;
}

.qris-label {
  font-weight: 800;
  font-size: 1.25rem;
  color: #111827;
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}

/* Config code block */
.code-block {
  background: #090d16;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
  font-family: monospace;
  font-size: 0.85rem;
  overflow-x: auto;
  white-space: pre;
  margin: 1rem 0;
  color: #e2e8f0;
}

/* Footers */
footer {
  text-align: center;
  padding: 3rem 0;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 5rem;
}