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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: #f1f5f9;
  color: #1e293b;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.container {
  width: 100%;
  max-width: 480px;
  padding: 1rem;
}

.card {
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);
  padding: 2.5rem;
}

h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: #1e293b;
}

.field {
  margin-bottom: 1.25rem;
}

label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.375rem;
  color: #475569;
}

input,
textarea {
  width: 100%;
  padding: 0.625rem 0.75rem;
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  color: #1e293b;
  background: #ffffff;
  transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

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

button[type="submit"] {
  width: 100%;
  padding: 0.75rem;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  color: #ffffff;
  background-color: #2563eb;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  margin-top: 0.5rem;
  transition: background-color 0.2s;
}

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

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

.error {
  font-size: 0.8125rem;
  color: #dc2626;
  margin-top: 0.25rem;
}

.form-error {
  text-align: center;
  margin-top: 1rem;
}

.success-message {
  text-align: center;
  padding: 1rem 0;
}

.success-message h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #16a34a;
  margin-bottom: 0.5rem;
}

.success-message p {
  color: #475569;
  margin-bottom: 1.5rem;
}

#reset-btn {
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  font-family: inherit;
  color: #2563eb;
  background: none;
  border: 1px solid #2563eb;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
}

#reset-btn:hover {
  background-color: #2563eb;
  color: #ffffff;
}