:root {
  --admin-bg: #0a0d12;
  --admin-panel: #111722;
  --admin-panel-2: #151d2a;
  --admin-panel-3: #0f1520;
  --admin-line: #243044;
  --admin-line-strong: #334157;
  --admin-text: #eef3fb;
  --admin-muted: #94a3b8;
  --admin-soft: #cbd5e1;
  --admin-accent: #22d3ee;
  --admin-accent-2: #f59e0b;
  --admin-danger: #f87171;
  --admin-success: #86efac;
  --admin-shadow: 0 20px 60px rgba(0, 0, 0, 0.32);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--admin-bg);
}

body {
  margin: 0;
  color: var(--admin-text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select,
textarea {
  font: inherit;
}

a {
  color: inherit;
}

.admin-body {
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(34, 211, 238, 0.06), transparent 340px),
    var(--admin-bg);
}

.admin-auth-loading {
  display: none;
}

.admin-body.is-auth-checking .admin-auth-loading {
  display: grid;
  min-height: 100vh;
  place-items: center;
  color: var(--admin-muted);
  font-weight: 800;
}

.admin-body.is-auth-checking .admin-header,
.admin-body.is-auth-checking .admin-shell {
  display: none;
}

.admin-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  min-height: 66px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 22px;
  border-bottom: 1px solid var(--admin-line);
  background: rgba(10, 13, 18, 0.94);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 10px;
  color: var(--admin-text);
  font-size: 15px;
  font-weight: 850;
  letter-spacing: 0;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  place-items: center;
  border: 1px solid rgba(34, 211, 238, 0.32);
  border-radius: 8px;
  background: #0d1420;
  color: var(--admin-accent);
  font-size: 13px;
  font-weight: 900;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.primary-button,
.secondary-button,
.ghost-button,
.danger-button {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 800;
  padding: 0 14px;
  text-decoration: none;
}

.primary-button {
  border: 1px solid rgba(34, 211, 238, 0.64);
  background: #0e7490;
  color: #ffffff;
}

.primary-button:hover {
  background: #0891b2;
}

.secondary-button,
.ghost-button {
  border: 1px solid var(--admin-line-strong);
  background: var(--admin-panel-2);
  color: var(--admin-soft);
}

.secondary-button:hover,
.ghost-button:hover {
  border-color: rgba(34, 211, 238, 0.46);
  color: #ffffff;
}

.danger-button {
  border: 1px solid rgba(248, 113, 113, 0.5);
  background: rgba(127, 29, 29, 0.24);
  color: #fecaca;
}

.danger-button:hover {
  background: rgba(127, 29, 29, 0.36);
}

.admin-shell {
  display: grid;
  grid-template-columns: 252px minmax(0, 1fr);
  min-height: calc(100vh - 66px);
}

.admin-sidebar {
  border-right: 1px solid var(--admin-line);
  background: var(--admin-panel-3);
  padding: 18px 14px;
}

.eyebrow {
  margin: 0;
  color: var(--admin-muted);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.admin-sidebar .eyebrow {
  margin: 0 8px 14px;
}

.admin-tab {
  display: flex;
  width: 100%;
  min-height: 40px;
  align-items: center;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--admin-muted);
  cursor: pointer;
  font-weight: 760;
  padding: 0 12px;
  text-align: left;
}

.admin-tab.active,
.admin-tab:hover {
  border-color: rgba(34, 211, 238, 0.3);
  background: rgba(34, 211, 238, 0.08);
  color: var(--admin-text);
}

.admin-panel {
  min-width: 0;
  padding: 24px;
}

.admin-title-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 320px) auto;
  gap: 18px;
  align-items: end;
  margin-bottom: 18px;
}

.admin-inline-new {
  min-height: 44px;
  white-space: nowrap;
}

.admin-title-row h1 {
  margin: 4px 0 7px;
  font-size: 34px;
  line-height: 1.08;
}

.admin-title-row p:last-child {
  margin: 0;
  color: var(--admin-muted);
}

.admin-title-row input,
.field input,
.field textarea,
.field select {
  width: 100%;
  border: 1px solid var(--admin-line-strong);
  border-radius: 8px;
  background: #0c111b;
  color: var(--admin-text);
  outline: none;
}

.admin-title-row input {
  min-height: 44px;
  padding: 0 14px;
}

.field input,
.field select {
  min-height: 42px;
  padding: 0 12px;
}

.field textarea {
  min-height: 126px;
  padding: 12px;
  resize: vertical;
}

.admin-title-row input:focus,
.field input:focus,
.field textarea:focus,
.field select:focus {
  border-color: rgba(34, 211, 238, 0.68);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.1);
}

.admin-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.86fr) minmax(420px, 1.14fr);
  gap: 16px;
  align-items: start;
}

.items-panel,
.editor-panel {
  border: 1px solid var(--admin-line);
  border-radius: 8px;
  background: var(--admin-panel);
  box-shadow: var(--admin-shadow);
}

.items-panel {
  max-height: calc(100vh - 190px);
  overflow: auto;
  padding: 10px;
}

.items-list {
  display: grid;
  gap: 8px;
}

.item-row {
  display: grid;
  gap: 5px;
  width: 100%;
  border: 1px solid var(--admin-line);
  border-radius: 8px;
  background: var(--admin-panel-2);
  color: var(--admin-text);
  cursor: pointer;
  padding: 12px;
  text-align: left;
}

.item-row.active,
.item-row:hover {
  border-color: rgba(245, 158, 11, 0.48);
  background: #1a2230;
}

.item-row strong {
  font-size: 14px;
}

.item-row span {
  color: var(--admin-muted);
  font-size: 13px;
}

.editor-panel {
  padding: 18px;
}

#formFields {
  display: grid;
  gap: 14px;
}

.field {
  display: grid;
  gap: 7px;
}

.field label {
  color: var(--admin-muted);
  font-size: 13px;
  font-weight: 760;
}

.checkbox-field {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--admin-soft);
  font-weight: 760;
}

.checkbox-field input {
  width: 18px;
  min-height: 18px;
  accent-color: var(--admin-accent);
}

.editor-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.save-status {
  display: inline-flex;
  min-height: 24px;
  margin: 12px 0 0;
  border-radius: 8px;
  color: var(--admin-muted);
  font-weight: 800;
  padding: 0;
}

.save-status.is-success {
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.32);
  color: var(--admin-success);
  padding: 8px 10px;
}

.save-status.is-error {
  background: rgba(239, 68, 68, 0.13);
  border: 1px solid rgba(248, 113, 113, 0.34);
  color: #fecaca;
  padding: 8px 10px;
}

.empty-state {
  border: 1px dashed var(--admin-line-strong);
  border-radius: 8px;
  color: var(--admin-muted);
  padding: 18px;
}

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

.admin-login-card {
  display: grid;
  gap: 14px;
  width: min(100%, 420px);
  border: 1px solid var(--admin-line);
  border-radius: 8px;
  background: var(--admin-panel);
  box-shadow: var(--admin-shadow);
  padding: 24px;
}

.admin-login-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
}

.admin-login-brand strong,
.admin-login-brand span {
  display: block;
}

.admin-login-brand strong {
  font-size: 15px;
}

.admin-login-brand div > span {
  color: var(--admin-muted);
  font-size: 13px;
}

.admin-login-card h1 {
  margin: 0 0 6px;
  font-size: 30px;
}

.admin-login-card p {
  margin: 0;
  color: var(--admin-muted);
}

.admin-login-card label {
  color: var(--admin-muted);
  font-size: 13px;
  font-weight: 760;
}

.admin-login-card input {
  min-height: 44px;
  border: 1px solid var(--admin-line-strong);
  border-radius: 8px;
  background: #0c111b;
  color: var(--admin-text);
  outline: none;
  padding: 0 12px;
}

.admin-login-card input:focus {
  border-color: rgba(34, 211, 238, 0.68);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.1);
}

.admin-login-submit {
  min-height: 46px;
}

.form-message {
  min-height: 22px;
  color: var(--admin-muted);
  font-size: 13px;
  font-weight: 760;
}

.form-message[data-type="error"] {
  color: #fecaca;
}

.form-message[data-type="success"] {
  color: var(--admin-success);
}

.admin-login-site-link {
  justify-self: center;
  color: var(--admin-muted);
  font-size: 13px;
  font-weight: 760;
  text-decoration: none;
}

.admin-login-site-link:hover {
  color: #ffffff;
}

@media (max-width: 980px) {
  .admin-shell,
  .admin-title-row,
  .admin-grid {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    border-right: 0;
    border-bottom: 1px solid var(--admin-line);
    padding: 12px;
  }

  .admin-sidebar .eyebrow {
    display: none;
  }

  .admin-tab {
    width: auto;
    white-space: nowrap;
  }

  .items-panel {
    max-height: none;
  }
}

@media (max-width: 640px) {
  .admin-header {
    align-items: stretch;
    flex-direction: column;
  }

  .header-actions {
    width: 100%;
  }

  .header-actions a,
  .header-actions button {
    flex: 1;
  }

  .admin-panel {
    padding: 16px;
  }
}