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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #f0f2f5;
  color: #1a1a2e;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.container {
  width: 100%;
  max-width: 520px;
}

header {
  text-align: center;
  margin-bottom: 1.5rem;
}

header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: #1a1a2e;
}

.subtitle {
  color: #6b7280;
  margin-top: 0.25rem;
  font-size: 0.95rem;
}

.status-card {
  padding: 0.875rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  border: 1px solid transparent;
}

.status-card.loading {
  background: #f3f4f6;
  color: #6b7280;
  border-color: #e5e7eb;
}

.status-card.success {
  background: #ecfdf5;
  color: #065f46;
  border-color: #a7f3d0;
}

.status-card.warning {
  background: #fffbeb;
  color: #92400e;
  border-color: #fde68a;
}

.status-card.error {
  background: #fef2f2;
  color: #991b1b;
  border-color: #fecaca;
}

.contact-form {
  background: #fff;
  padding: 1.75rem;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);
}

.field {
  margin-bottom: 1.25rem;
}

.field label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.375rem;
  color: #374151;
}

.field input,
.field textarea {
  width: 100%;
  padding: 0.625rem 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.field textarea {
  resize: vertical;
}

button[type="submit"] {
  width: 100%;
  padding: 0.75rem;
  background: #2563eb;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}

button[type="submit"]:hover {
  background: #1d4ed8;
}

button[type="submit"]:disabled {
  background: #93c5fd;
  cursor: not-allowed;
}

.result {
  margin-top: 1rem;
  padding: 0.875rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
}

.result.hidden {
  display: none;
}

.result.success {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.result.error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}