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

:root {
  --bg: #0a0a12;
  --bg-card: rgba(13, 13, 30, 0.7);
  --neon-violet: #b44dff;
  --neon-blue: #00d4ff;
  --gold: #fbbf24;
  --gold-dim: rgba(251, 191, 36, 0.3);
  --text: #e2e8f0;
  --text-dim: #94a3b8;
  --glass-border: rgba(180, 77, 255, 0.15);
  --glass-bg: rgba(13, 13, 30, 0.6);
  --radius: 16px;
  --font: system-ui, -apple-system, 'Segoe UI', sans-serif;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  direction: rtl;
  line-height: 1.6;
}

/* Background effects */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(180, 77, 255, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(0, 212, 255, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 0%, rgba(251, 191, 36, 0.03) 0%, transparent 40%);
  pointer-events: none;
  z-index: 0;
}

.scanline {
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 212, 255, 0.015) 2px,
    rgba(0, 212, 255, 0.015) 4px
  );
  pointer-events: none;
  z-index: 1;
}

.particles {
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 10% 20%, rgba(180, 77, 255, 0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 30% 60%, rgba(0, 212, 255, 0.3) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 50% 10%, rgba(180, 77, 255, 0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 70% 40%, rgba(0, 212, 255, 0.4) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 90% 80%, rgba(180, 77, 255, 0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 15% 85%, rgba(0, 212, 255, 0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 60% 90%, rgba(251, 191, 36, 0.2) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 40% 45%, rgba(180, 77, 255, 0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 80% 15%, rgba(0, 212, 255, 0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 25% 35%, rgba(180, 77, 255, 0.25) 0%, transparent 100%);
  pointer-events: none;
  z-index: 1;
  opacity: 0.6;
}

.container {
  position: relative;
  z-index: 2;
  max-width: 480px;
  margin: 0 auto;
  padding: 24px 16px 48px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

/* Hero Section */
.hero {
  text-align: center;
  position: relative;
  padding: 32px 0;
}

.hero-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(180, 77, 255, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-block;
  padding: 4px 16px;
  border: 1px solid var(--gold);
  border-radius: 100px;
  color: var(--gold);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
  background: rgba(251, 191, 36, 0.08);
}

.hero-title {
  font-size: 1.75rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--text) 0%, var(--neon-violet) 50%, var(--neon-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.3;
  margin-bottom: 8px;
}

.hero-subtitle {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.tag {
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 500;
  border: 1px solid var(--glass-border);
  background: rgba(180, 77, 255, 0.06);
  color: var(--text-dim);
}

/* Glass Card */
.card {
  position: relative;
  width: 100%;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 32px 24px;
  overflow: hidden;
}

.card-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(from 0deg at 50% 50%, transparent 0%, rgba(180, 77, 255, 0.03) 25%, transparent 50%, rgba(0, 212, 255, 0.03) 75%, transparent 100%);
  animation: rotateGlow 10s linear infinite;
  pointer-events: none;
}

@keyframes rotateGlow {
  to { transform: rotate(360deg); }
}

/* States */
.state { display: none; flex-direction: column; gap: 16px; align-items: center; width: 100%; }
.state.active { display: flex; }

/* Input */
.input-group { width: 100%; }
.input-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 8px;
  font-weight: 500;
}

.code-input {
  width: 100%;
  padding: 14px 16px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  color: var(--text);
  font-size: 0.85rem;
  font-family: 'Courier New', monospace;
  text-align: center;
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
  direction: ltr;
}

.code-input::placeholder { color: rgba(148, 163, 184, 0.4); }

.code-input:focus {
  border-color: var(--neon-violet);
  box-shadow: 0 0 20px rgba(180, 77, 255, 0.15);
}

/* Buttons */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  width: 100%;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--neon-violet), #7c3aed);
  color: #fff;
  box-shadow: 0 0 20px rgba(180, 77, 255, 0.3);
}

.btn-primary:hover:not(:disabled) {
  box-shadow: 0 0 30px rgba(180, 77, 255, 0.5);
  transform: translateY(-1px);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-download {
  background: linear-gradient(135deg, var(--gold), #f59e0b);
  color: #1a1a2e;
  box-shadow: 0 0 25px rgba(251, 191, 36, 0.35);
  font-size: 1.1rem;
  padding: 16px 32px;
}

.btn-download:hover {
  box-shadow: 0 0 40px rgba(251, 191, 36, 0.5);
  transform: translateY(-2px);
}

.btn-glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transform: translateX(-100%);
  animation: shimmer 2s ease-in-out infinite;
}

@keyframes shimmer {
  to { transform: translateX(100%); }
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--glass-border);
  color: var(--text);
  padding: 10px 24px;
  font-size: 0.85rem;
}

.btn-secondary:hover {
  border-color: var(--neon-violet);
  background: rgba(180, 77, 255, 0.08);
}

.btn-loader {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Messages */
.message {
  font-size: 0.85rem;
  color: var(--text-dim);
  text-align: center;
  min-height: 1.2em;
}

/* Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(180, 77, 255, 0.2);
  border-top-color: var(--neon-violet);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* State icons */
.success-icon, .error-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
}

.success-icon {
  background: rgba(34, 197, 94, 0.15);
  border: 2px solid rgba(34, 197, 94, 0.4);
  color: #22c55e;
  box-shadow: 0 0 20px rgba(34, 197, 94, 0.15);
}

.error-icon {
  background: rgba(239, 68, 68, 0.12);
  border: 2px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

.state-text {
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
}

.state-desc {
  font-size: 0.85rem;
  color: var(--text-dim);
  text-align: center;
}

.success-text { color: #22c55e; }
.error-text { color: #ef4444; }

.warning-small {
  font-size: 0.7rem;
  color: var(--gold-dim);
  text-align: center;
}

/* Trust section */
.trust {
  text-align: center;
  padding: 16px 0;
}

.trust-line {
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
  margin: 0 auto 16px;
}

.trust-text {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.trust-note {
  font-size: 0.7rem;
  color: rgba(148, 163, 184, 0.5);
  margin-top: 12px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .card-glow, .btn-glow, .scanline, .particles { animation: none !important; display: none; }
  .code-input:focus { transition: none; }
  .btn, .btn-primary, .btn-download { transition: none; }
}

/* Responsive */
@media (min-width: 768px) {
  .container { max-width: 560px; padding: 32px; }
  .hero-title { font-size: 2rem; }
  .card { padding: 40px 32px; }
  .code-input { font-size: 1rem; padding: 16px 20px; }
}

@media (max-width: 360px) {
  .container { padding: 16px 12px; gap: 24px; }
  .hero-title { font-size: 1.4rem; }
  .card { padding: 24px 16px; }
  .btn { padding: 12px 24px; font-size: 0.9rem; }
}