* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: linear-gradient(180deg, #f4f7fb 0%, #eef2f8 100%);
  color: #1f2937;
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: 100%;
  max-width: 640px;
  background: #ffffff;
  border-radius: 22px;
  padding: 28px;
  box-shadow: 0 18px 45px rgba(17, 24, 39, 0.10);
}

.badge {
  display: inline-block;
  background: #e0ebff;
  color: #1d4ed8;
  font-weight: 700;
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 13px;
  margin-bottom: 18px;
}

h1 {
  margin: 0 0 10px;
  font-size: 30px;
  line-height: 1.15;
}

.lead {
  margin: 0 0 20px;
  color: #4b5563;
  font-size: 16px;
}

.status-box {
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 16px;
  padding: 18px;
  margin-bottom: 18px;
}

.status-label {
  font-size: 13px;
  color: #6b7280;
  margin-bottom: 8px;
}

.status {
  font-size: 20px;
  font-weight: 700;
}

.status.ok {
  color: #15803d;
}

.status.busy {
  color: #b45309;
}

.status.error {
  color: #b91c1c;
}

.status.neutral {
  color: #374151;
}

.meta {
  margin-top: 8px;
  color: #6b7280;
  font-size: 14px;
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.btn {
  border: 0;
  border-radius: 12px;
  padding: 13px 18px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .15s ease, opacity .15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: #1d4ed8;
  color: white;
}

.btn-secondary {
  background: #e5e7eb;
  color: #111827;
}

.callback-form {
  border-top: 1px solid #e5e7eb;
  padding-top: 18px;
}

.callback-form h2 {
  margin-top: 0;
  font-size: 20px;
}

label {
  display: block;
  font-weight: 700;
  margin: 12px 0 6px;
}

input,
textarea {
  width: 100%;
  border: 1px solid #d1d5db;
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 15px;
  outline: none;
}

input:focus,
textarea:focus {
  border-color: #2563eb;
}

.form-actions {
  margin-top: 14px;
}

.message {
  margin-top: 18px;
  border-radius: 12px;
  padding: 14px 16px;
  font-weight: 600;
}

.message.success {
  background: #ecfdf5;
  color: #166534;
  border: 1px solid #bbf7d0;
}

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

.hidden {
  display: none !important;
}


.hint {
  margin-top: 10px;
  font-size: 13px;
  color: #6b7280;
}