@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Rajdhani:wght@300;400;500;600;700&family=Exo+2:wght@300;400;500;600;700&display=swap');

:root {
  --primary: #0a0e1a;
  --secondary: #0d1b2a;
  --accent: #e8b400;
  --accent2: #ff4d00;
  --text: #e8eaf0;
  --text-muted: #8892a4;
  --card-bg: #111827;
  --border: #1e2d3d;
  --hover: #1a2640;
  --success: #00d68f;
  --error: #ff3d71;
  --glass: rgba(13, 27, 42, 0.85);
}

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

body {
  font-family: 'Rajdhani', sans-serif;
  background: var(--primary);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Animated background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 50% at 20% 40%, rgba(232,180,0,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 70%, rgba(255,77,0,0.05) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* NAV */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,14,26,0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 2rem;
  height: 64px;
  gap: 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--accent);
  font-family: 'Orbitron', monospace;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  border: 1px solid var(--accent);
  padding: 0.4rem 0.8rem;
  border-radius: 4px;
  transition: all 0.3s;
  white-space: nowrap;
}

.nav-logo:hover {
  background: var(--accent);
  color: var(--primary);
}

.nav-logo .icon {
  font-size: 1rem;
}

nav .nav-links {
  display: flex;
  gap: 0.5rem;
  list-style: none;
  margin-left: auto;
}

nav .nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-family: 'Exo 2', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 0.5rem 1.2rem;
  border-radius: 4px;
  transition: all 0.3s;
  border: 1px solid transparent;
}

nav .nav-links a:hover,
nav .nav-links a.active {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(232,180,0,0.08);
}

/* MAIN WRAPPER */
.page-wrapper {
  position: relative;
  z-index: 1;
  min-height: calc(100vh - 64px);
}

/* HEADINGS */
h1, h2, h3 {
  font-family: 'Orbitron', monospace;
}

/* FORMS */
.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.75rem 1rem;
  border-radius: 6px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 1rem;
  transition: all 0.3s;
  outline: none;
  appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  background: rgba(232,180,0,0.05);
  box-shadow: 0 0 0 3px rgba(232,180,0,0.1);
}

.form-group select option {
  background: var(--secondary);
  color: var(--text);
}

.form-group .error-msg {
  display: none;
  color: var(--error);
  font-size: 0.78rem;
  margin-top: 0.3rem;
  letter-spacing: 0.5px;
}

.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(255,61,113,0.1);
}

.form-group.has-error .error-msg {
  display: block;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 2rem;
  border: none;
  border-radius: 6px;
  font-family: 'Exo 2', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--primary);
}

.btn-primary:hover {
  background: #ffc800;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232,180,0,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}

.btn-outline:hover {
  background: var(--accent);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-danger {
  background: var(--accent2);
  color: white;
}

.btn-danger:hover {
  background: #ff6a00;
  transform: translateY(-2px);
}

/* CARDS */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  transition: all 0.3s;
}

.card:hover {
  border-color: rgba(232,180,0,0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}

/* PAGE HEADER */
.page-header {
  text-align: center;
  padding: 3rem 2rem 2rem;
}

.page-header h1 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--accent);
  letter-spacing: 4px;
  margin-bottom: 0.5rem;
}

.page-header .subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  letter-spacing: 1px;
}

/* HOME BACK LINK */
.home-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 600;
  transition: all 0.3s;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--accent);
  border-radius: 4px;
  margin: 1rem 2rem;
  width: fit-content;
}

.home-link:hover {
  background: var(--accent);
  color: var(--primary);
}

/* RANGE SLIDER */
.range-slider {
  width: 100%;
  height: 6px;
  background: var(--border);
  outline: none;
  border-radius: 3px;
  appearance: none;
  cursor: pointer;
}

.range-slider::-webkit-slider-thumb {
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 3px solid var(--primary);
  box-shadow: 0 0 8px rgba(232,180,0,0.5);
}

/* TOAST */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: 1rem 1.5rem;
  border-radius: 8px;
  font-family: 'Exo 2', sans-serif;
  font-weight: 600;
  letter-spacing: 1px;
  z-index: 9999;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.success {
  background: var(--success);
  color: var(--primary);
}

.toast.error {
  background: var(--error);
  color: white;
}

/* AD BANNERS */
.ad-banner {
  background: linear-gradient(135deg, var(--card-bg), var(--secondary));
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
  text-align: center;
  margin-bottom: 1rem;
  position: relative;
  overflow: hidden;
}

.ad-banner::before {
  content: 'AD';
  position: absolute;
  top: 6px;
  right: 8px;
  font-size: 0.6rem;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.ad-banner .ad-title {
  font-family: 'Orbitron', monospace;
  font-size: 0.7rem;
  color: var(--accent2);
  margin-bottom: 0.3rem;
  letter-spacing: 2px;
}

.ad-banner .ad-deal {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  font-family: 'Orbitron', monospace;
}

.ad-banner .ad-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
}

.ad-banner .ad-cta {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.3rem 0.8rem;
  background: var(--accent);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
}

/* SCROLLBAR */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  nav {
    padding: 0 1rem;
    gap: 0.5rem;
  }
  nav .nav-links a {
    padding: 0.4rem 0.6rem;
    font-size: 0.75rem;
  }
  .nav-logo {
    font-size: 0.65rem;
  }
}