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

body {
  margin: 0;
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: #0f1419;
  color: #e8eaed;
  line-height: 1.5;
}

a {
  color: #7eb8ff;
}

.admin-wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

.admin-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 24px;
}

.admin-top h1 {
  margin: 0;
  font-size: 1.35rem;
}

.admin-card {
  background: #1a2332;
  border: 1px solid #2a3548;
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
}

.admin-card h2 {
  margin: 0 0 14px;
  font-size: 1.05rem;
  color: #b8c5d6;
}

.admin-field {
  display: block;
  margin-bottom: 14px;
}

.admin-field span {
  display: block;
  font-size: 0.85rem;
  color: #9aa8bc;
  margin-bottom: 6px;
}

.admin-input,
.admin-textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #3a4a63;
  border-radius: 6px;
  background: #0d1117;
  color: #e8eaed;
  font: inherit;
}

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

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

@media (max-width: 640px) {
  .admin-grid-2 {
    grid-template-columns: 1fr;
  }
}

.admin-btn {
  display: inline-block;
  padding: 10px 18px;
  border: none;
  border-radius: 6px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}

.admin-btn--primary {
  background: #3b82f6;
  color: #fff;
}

.admin-btn--ghost {
  background: transparent;
  color: #9aa8bc;
  border: 1px solid #3a4a63;
}

.admin-alert {
  padding: 12px 14px;
  border-radius: 6px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.admin-alert--ok {
  background: #14352a;
  border: 1px solid #2d6a4f;
  color: #95d5b2;
}

.admin-alert--err {
  background: #3d1f1f;
  border: 1px solid #7f2d2d;
  color: #f8adad;
}

.admin-auth {
  max-width: 400px;
  margin: 48px auto;
}

.admin-auth h1 {
  text-align: center;
  margin-bottom: 24px;
}

.admin-hint {
  font-size: 0.85rem;
  color: #7a8a9e;
  margin-top: 8px;
}

.admin-sticky {
  position: sticky;
  bottom: 0;
  padding: 16px 0;
  background: linear-gradient(transparent, #0f1419 24%);
}