* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
  min-height: 100vh; color: #f1f5f9; padding: 40px 16px;
}
.container { max-width: 560px; margin: 0 auto; }
.card {
  background: #1e293b; border: 1px solid #334155; border-radius: 16px;
  padding: 36px; box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.brand { text-align: center; margin-bottom: 8px; }
.logo { font-size: 2.5rem; margin-bottom: 8px; }
.brand h1 { font-size: 1.6rem; font-weight: 700; letter-spacing: -0.5px; }
.brand h1 span { color: #3b82f6; }
.subtitle { text-align: center; color: #94a3b8; font-size: 0.95rem; margin-bottom: 28px; }

h3 { font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.5px; color: #64748b; margin: 24px 0 12px; }
h3:first-of-type { margin-top: 0; }

input, textarea, select {
  width: 100%; padding: 12px 14px; margin-bottom: 12px;
  background: #0f172a; border: 1px solid #334155; border-radius: 10px;
  color: #f1f5f9; font-size: 0.95rem; outline: none; transition: border-color 0.2s;
}
input:focus, textarea:focus { border-color: #3b82f6; }
input::placeholder, textarea::placeholder { color: #64748b; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.checkbox-group {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 12px;
}
.checkbox-group label {
  display: flex; align-items: center; gap: 8px; padding: 10px 12px;
  background: #0f172a; border: 1px solid #334155; border-radius: 8px;
  cursor: pointer; font-size: 0.9rem; transition: all 0.15s;
}
.checkbox-group label:hover { border-color: #3b82f6; }
.checkbox-group input { width: auto; margin: 0; accent-color: #3b82f6; }

.privacy {
  display: flex; align-items: flex-start; gap: 10px; font-size: 0.85rem; color: #94a3b8;
  margin: 16px 0; line-height: 1.5;
}
.privacy input { width: auto; margin-top: 2px; accent-color: #3b82f6; }
.privacy a { color: #3b82f6; }

button[type="submit"] {
  width: 100%; padding: 14px; background: #3b82f6; color: white;
  border: none; border-radius: 10px; font-size: 1rem; font-weight: 600;
  cursor: pointer; transition: background 0.2s;
}
button[type="submit"]:hover { background: #2563eb; }
button[type="submit"]:disabled { opacity: 0.6; cursor: not-allowed; }

.success { text-align: center; padding: 20px 0; }
.success-icon { font-size: 3rem; margin-bottom: 12px; }
.success h3 { color: #22c55e; margin: 0 0 8px; text-transform: none; font-size: 1.2rem; }
.success p { color: #94a3b8; margin-bottom: 20px; }
.btn-secondary {
  padding: 12px 24px; background: transparent; border: 1px solid #334155;
  color: #94a3b8; border-radius: 10px; cursor: pointer; font-size: 0.9rem;
}
.btn-secondary:hover { color: #f1f5f9; border-color: #64748b; }

.error {
  background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3);
  color: #ef4444; padding: 12px 16px; border-radius: 8px; margin-top: 16px; font-size: 0.9rem;
}

@media (max-width: 480px) {
  .grid-2, .checkbox-group { grid-template-columns: 1fr; }
  .card { padding: 24px; }
}