:root {
  --admin-bg: #f4f6f8;
  --admin-panel: #ffffff;
  --admin-ink: #15181d;
  --admin-muted: #64707d;
  --admin-accent: #b88a28;
  --admin-line: #d9dde3;
  --admin-danger: #b42318;
  --admin-good: #16784b;
}

body.admin-body {
  min-height: 100vh;
  background: var(--admin-bg);
  color: var(--admin-ink);
}

.admin-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px 1fr;
}

.admin-sidebar {
  background: #11161d;
  color: #f8fafc;
  padding: 1.3rem;
}

.admin-brand {
  display: grid;
  gap: 0.2rem;
  margin-bottom: 1.5rem;
}

.admin-brand strong {
  font-size: 1.05rem;
}

.admin-brand span,
.admin-user {
  color: #b8c1cc;
  font-size: 0.88rem;
}

.admin-page-list {
  display: grid;
  gap: 0.55rem;
}

.admin-page-button,
.admin-ghost-button,
.admin-primary-button,
.admin-danger-button {
  min-height: 2.55rem;
  border-radius: 8px;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.admin-page-button {
  width: 100%;
  padding: 0.7rem 0.8rem;
  background: transparent;
  color: #d7dee7;
  text-align: left;
}

.admin-page-button:hover,
.admin-page-button.is-active {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.admin-sidebar-footer {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.admin-main {
  padding: clamp(1rem, 3vw, 2rem);
}

.admin-panel {
  max-width: 940px;
  background: var(--admin-panel);
  border: 1px solid var(--admin-line);
  border-radius: 8px;
  padding: clamp(1rem, 3vw, 1.6rem);
  box-shadow: 0 20px 44px rgba(15, 23, 42, 0.08);
}

.admin-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.admin-toolbar h1,
.admin-panel h1 {
  margin: 0;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
}

.admin-form {
  display: grid;
  gap: 1rem;
}

.admin-field {
  display: grid;
  gap: 0.35rem;
}

.admin-field label {
  font-weight: 700;
}

.admin-field input,
.admin-field textarea,
.admin-field select {
  width: 100%;
  border: 1px solid var(--admin-line);
  border-radius: 8px;
  padding: 0.75rem 0.85rem;
  color: var(--admin-ink);
  font: inherit;
  background: #ffffff;
}

.admin-field textarea {
  min-height: 8rem;
  resize: vertical;
}

.admin-section-editor {
  display: grid;
  gap: 0.8rem;
  border: 1px solid var(--admin-line);
  border-radius: 8px;
  padding: 1rem;
}

.admin-section-header {
  display: grid;
  grid-template-columns: 1fr 150px auto;
  gap: 0.7rem;
}

.admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.admin-primary-button {
  background: var(--admin-accent);
  color: #151515;
  padding: 0 1rem;
}

.admin-ghost-button {
  background: #ffffff;
  color: var(--admin-ink);
  border-color: var(--admin-line);
  padding: 0 1rem;
}

.admin-danger-button {
  background: #fff7f7;
  color: var(--admin-danger);
  border-color: #ffd4d1;
  padding: 0 0.85rem;
}

.admin-status {
  min-height: 1.4rem;
  color: var(--admin-muted);
}

.admin-status.is-good {
  color: var(--admin-good);
}

.admin-status.is-error {
  color: var(--admin-danger);
}

.admin-login {
  max-width: 440px;
  margin: 10vh auto;
}

.admin-hidden {
  display: none;
}

.admin-help {
  color: var(--admin-muted);
  margin: 0 0 1rem;
}

@media (max-width: 760px) {
  .admin-shell {
    grid-template-columns: 1fr;
  }

  .admin-section-header {
    grid-template-columns: 1fr;
  }
}