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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #f5f7fa;
  color: #1a1a2e;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.container {
  width: 100%;
  max-width: 640px;
}

.form-wrapper {
  background: #ffffff;
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 0.5rem;
}

.subtitle {
  font-size: 0.95rem;
  color: #64748b;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

label {
  font-size: 0.875rem;
  font-weight: 600;
  color: #334155;
}

.required {
  color: #ef4444;
}

input, select, textarea {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border: 1.5px solid #e2e8f0;
  border-radius: 8px;
  font-size: 0.95rem;
  color: #1a1a2e;
  background: #f8fafc;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  font-family: inherit;
}

input::placeholder, textarea::placeholder {
  color: #94a3b8;
}

input:focus, select:focus, textarea:focus {
  border-color: #6366f1;
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

textarea {
  resize: vertical;
  min-height: 120px;
}

button[type="submit"] {
  width: 100%;
  padding: 0.8rem;
  background: #6366f1;
  color: #ffffff;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  margin-top: 0.5rem;
  transition: background 0.2s, transform 0.1s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

button[type="submit"]:hover {
  background: #4f46e5;
}

button[type="submit"]:active {
  transform: scale(0.99);
}

button[type="submit"]:disabled {
  background: #a5b4fc;
  cursor: not-allowed;
}

.spinner {
  width: 18px;
  height: 18px;
  border: 2.5px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

.hidden {
  display: none !important;
}

.success-msg {
  text-align: center;
  padding: 2rem 1rem;
  color: #16a34a;
}

.success-msg svg {
  margin-bottom: 1rem;
  stroke: #16a34a;
}

.success-msg h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: #15803d;
}

.success-msg p {
  font-size: 0.95rem;
  color: #64748b;
}

@media (max-width: 480px) {
  .form-wrapper {
    padding: 1.75rem 1.25rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}