:root {
  --admin-bg: #f5f7fb;
  --admin-panel: #ffffff;
  --admin-panel-soft: #f9fbff;
  --admin-text: #101828;
  --admin-muted: #667085;
  --admin-border: #dfe7f3;
  --admin-blue: #cf2e2e;
  --admin-blue-dark: #b82525;
  --admin-red: #cf2e2e;
  --admin-green: #078a4f;
  --admin-shadow: 0 16px 38px rgba(16, 24, 40, 0.08);
  --admin-radius: 10px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--admin-text);
  background: var(--admin-bg);
  font-family: Arial, sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  cursor: pointer;
}

[hidden] {
  display: none !important;
}

.admin-auth-page {
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(36, 138, 246, 0.12), transparent 36%),
    linear-gradient(315deg, rgba(7, 138, 79, 0.12), transparent 34%),
    var(--admin-bg);
}

.admin-auth {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 28px;
}

.admin-auth__panel {
  width: min(760px, 100%);
  padding: 32px;
  border: 1px solid var(--admin-border);
  border-radius: 16px;
  background: var(--admin-panel);
  box-shadow: var(--admin-shadow);
}

.admin-auth__panel--compact {
  width: min(460px, 100%);
}

.admin-auth__brand,
.admin-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.admin-auth__brand > span,
.admin-logo > span {
  display: grid;
  width: 34px;
  height: 28px;
  place-items: center;
  border-radius: 6px;
  background: #e3342f;
  color: #fff;
  font-size: 11px;
  font-weight: 800;
}

.admin-logo img {
  display: block;
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  object-fit: contain;
}

.admin-auth__brand strong,
.admin-logo strong {
  display: block;
  font-size: 18px;
  line-height: 22px;
}

.admin-auth__brand small {
  display: block;
  margin-top: 2px;
  color: var(--admin-muted);
  font-size: 13px;
}

.admin-auth h1 {
  margin: 28px 0 8px;
  font-size: 34px;
  line-height: 42px;
}

.admin-auth p {
  margin: 0 0 24px;
  color: var(--admin-muted);
  line-height: 24px;
}

.admin-page {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  min-height: 100vh;
}

.admin-sidebar {
  position: sticky;
  top: 0;
  display: flex;
  height: 100vh;
  flex-direction: column;
  gap: 24px;
  padding: 24px;
  border-right: 1px solid var(--admin-border);
  background: var(--admin-panel);
  overflow-y: auto;
}

.admin-logo {
  padding: 8px 4px;
}

.admin-nav {
  display: grid;
  gap: 6px;
}

.admin-nav a,
.admin-sidebar__foot a {
  display: flex;
  min-height: 42px;
  align-items: center;
  padding: 0 12px;
  border-radius: 8px;
  color: var(--admin-muted);
  font-size: 14px;
  font-weight: 700;
}

.admin-nav a:hover,
.admin-nav a.is-active {
  background: #fff0f0;
  color: var(--admin-blue-dark);
}

.admin-sidebar__foot {
  display: grid;
  gap: 4px;
  margin-top: auto;
}

.admin-main {
  min-width: 0;
  padding: 30px;
}

.admin-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 24px;
}

.admin-eyebrow {
  margin: 0 0 4px;
  color: var(--admin-blue-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.admin-topbar h1 {
  margin: 0;
  font-size: 30px;
  line-height: 38px;
}

.admin-user {
  padding: 10px 14px;
  border: 1px solid var(--admin-border);
  border-radius: 999px;
  background: var(--admin-panel);
  color: var(--admin-muted);
  font-size: 13px;
  font-weight: 700;
}

.admin-alert {
  margin-bottom: 18px;
  padding: 12px 14px;
  border: 1px solid #c7eadb;
  border-radius: var(--admin-radius);
  background: #effaf5;
  color: var(--admin-green);
  font-size: 14px;
  font-weight: 700;
}

.admin-alert p {
  margin: 0;
}

.admin-alert p + p {
  margin-top: 6px;
}

.admin-alert--error {
  border-color: #ffd0d0;
  background: #fff3f3;
  color: var(--admin-red);
}

.admin-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 18px;
}

.admin-metrics article,
.admin-card {
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  background: var(--admin-panel);
  box-shadow: 0 8px 22px rgba(16, 24, 40, 0.04);
}

.admin-metrics article {
  padding: 18px;
}

.admin-metrics span,
.admin-metrics small {
  display: block;
  color: var(--admin-muted);
  font-size: 13px;
  font-weight: 700;
}

.admin-metrics strong {
  display: block;
  margin: 10px 0 4px;
  font-size: 32px;
  line-height: 38px;
}

.admin-card {
  padding: 20px;
}

.admin-card--narrow {
  max-width: 920px;
}

.admin-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.admin-card__head--compact {
  margin-bottom: 0;
}

.admin-card__head h2 {
  margin: 0;
  font-size: 20px;
  line-height: 28px;
}

.admin-card__head span {
  color: var(--admin-muted);
  font-size: 13px;
  font-weight: 700;
}

.admin-grid {
  display: grid;
  gap: 16px;
}

.admin-grid--two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.admin-grid--three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.admin-grid--aside {
  grid-template-columns: minmax(260px, 0.36fr) minmax(0, 0.64fr);
  align-items: start;
}

.admin-grid--stretch {
  align-items: stretch;
}

.admin-form {
  display: grid;
  gap: 16px;
}

.admin-field {
  display: grid;
  gap: 8px;
}

.admin-field span,
.admin-check span {
  color: var(--admin-muted);
  font-size: 13px;
  font-weight: 800;
}

.admin-field input,
.admin-field select,
.admin-field textarea {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  background: #fff;
  color: var(--admin-text);
  outline: none;
}

.admin-field--full {
  width: 100%;
}

.admin-field small {
  color: var(--admin-muted);
  font-size: 12px;
  line-height: 18px;
}

.admin-branding-panel {
  display: grid;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  background: var(--admin-panel-soft);
}

.admin-branding-panel__mode {
  display: grid;
}

.admin-branding-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.admin-field--upload input[type="file"] {
  min-height: auto;
  padding: 11px 12px;
  background: #fff;
}

.admin-upload-preview {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 108px;
  padding: 10px;
  border: 1px dashed var(--admin-border);
  border-radius: 10px;
  background: var(--admin-panel-soft);
  color: var(--admin-muted);
  text-align: center;
}

.admin-upload-preview__remove {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 26px;
  height: 26px;
  border: 1px solid var(--admin-border);
  border-radius: 999px;
  background: #fff;
  color: var(--admin-red);
  font-size: 18px;
  line-height: 1;
}

.admin-upload-preview__remove:hover {
  border-color: var(--admin-red);
  background: #fff4f4;
}

.admin-upload-preview img {
  display: block;
  max-width: 100%;
  max-height: 80px;
  object-fit: contain;
}

.admin-social-list {
  display: grid;
  gap: 10px;
}

.admin-social-row {
  display: grid;
  grid-template-columns: 34px 150px minmax(180px, 1fr) minmax(130px, 0.6fr) auto;
  gap: 10px;
  align-items: end;
  padding: 12px;
  border: 1px solid var(--admin-border);
  border-radius: 10px;
  background: #fff;
}

.admin-social-row.is-dragging {
  opacity: 0.5;
}

.admin-social-row__drag {
  display: grid;
  width: 34px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  background: var(--admin-panel-soft);
  color: var(--admin-muted);
  cursor: grab;
  font-weight: 800;
}

.admin-social-row__drag:active {
  cursor: grabbing;
}

.admin-color-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.admin-ad-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.admin-field--color input[type="color"] {
  height: 46px;
  padding: 4px;
  cursor: pointer;
}

.admin-field textarea {
  resize: vertical;
  line-height: 22px;
}

.admin-code {
  font-family: Consolas, "Courier New", monospace;
  font-size: 13px;
}

.admin-field input:focus,
.admin-field select:focus,
.admin-field textarea:focus {
  border-color: var(--admin-blue);
  box-shadow: 0 0 0 4px rgba(36, 138, 246, 0.13);
}

.admin-check {
  display: flex;
  min-height: 44px;
  align-items: center;
  gap: 10px;
}

.admin-check--box {
  align-self: end;
  padding: 10px 12px;
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  background: #fff;
}

.admin-check--stacked {
  display: grid;
  min-height: 112px;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 6px 10px;
}

.admin-check--stacked small {
  grid-column: 2;
  color: var(--admin-muted);
  font-size: 12px;
  font-weight: 600;
  line-height: 17px;
}

.admin-check input {
  width: 18px;
  height: 18px;
  accent-color: var(--admin-blue);
}

.admin-button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 800;
}

.admin-button--primary {
  background: var(--admin-blue);
  color: #fff;
}

.admin-button--primary:hover {
  background: var(--admin-blue-dark);
}

.admin-button--secondary,
.admin-button--ghost {
  border-color: var(--admin-border);
  background: #fff;
  color: var(--admin-text);
}

.admin-button--danger {
  border-color: #ffd0d0;
  background: #fff4f4;
  color: var(--admin-red);
}

.admin-button--full {
  width: 100%;
}

.admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.admin-divider {
  height: 1px;
  background: var(--admin-border);
}

.admin-segment {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding: 4px;
  border: 1px solid var(--admin-border);
  border-radius: 10px;
  background: var(--admin-panel-soft);
}

.admin-segment label {
  display: flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 8px;
  color: var(--admin-muted);
  font-weight: 800;
}

.admin-segment label:has(input:checked) {
  background: #fff;
  color: var(--admin-blue-dark);
  box-shadow: 0 2px 8px rgba(16, 24, 40, 0.08);
}

.admin-table-wrap {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th,
.admin-table td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--admin-border);
  text-align: left;
  font-size: 14px;
}

.admin-table th {
  color: var(--admin-muted);
  font-size: 12px;
  text-transform: uppercase;
}

.admin-list,
.admin-tool-list {
  display: grid;
  gap: 8px;
}

.admin-list__item,
.admin-tool-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  background: #fff;
}

.admin-tool-list a:hover,
.admin-tool-list a.is-active {
  border-color: var(--admin-blue);
  background: #f0f7ff;
}

.admin-tool-list span,
.admin-list__item strong {
  font-size: 14px;
}

.admin-tool-list small,
.admin-list__item span,
.admin-empty {
  color: var(--admin-muted);
  font-size: 13px;
}

.admin-editor-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--admin-border);
  border-radius: 10px;
  background: var(--admin-panel-soft);
}

.admin-editor-toolbar button {
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid var(--admin-border);
  border-radius: 7px;
  background: #fff;
  color: var(--admin-text);
  font-size: 13px;
  font-weight: 800;
}

.admin-editor-toolbar button:hover {
  border-color: var(--admin-blue);
  color: var(--admin-blue-dark);
}

.note-editor.note-frame {
  overflow: hidden;
  border: 1px solid var(--admin-border);
  border-radius: 10px;
  box-shadow: none;
}

.note-editor.note-frame .note-toolbar {
  border-bottom: 1px solid var(--admin-border);
  background: var(--admin-panel-soft);
}

.note-editor.note-frame .note-editing-area .note-editable {
  min-height: 280px;
  padding: 16px;
  color: var(--admin-text);
  background: #fff;
}

.note-editor.note-frame .note-statusbar {
  border-top: 1px solid var(--admin-border);
  background: var(--admin-panel-soft);
}

.admin-preview {
  margin-top: 18px;
  padding: 18px;
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  background: #fff;
}

.admin-preview h2,
.admin-preview h3 {
  margin-top: 0;
}

.admin-inline-delete {
  margin-top: 16px;
}

.admin-system-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px;
  border: 1px solid #c7eadb;
  border-radius: 8px;
  background: #effaf5;
}

.admin-system-card strong {
  color: var(--admin-green);
}

.admin-system-card span {
  color: var(--admin-muted);
  font-size: 13px;
  font-weight: 800;
}

@media (max-width: 1100px) {
  .admin-page {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    position: static;
    height: auto;
  }

  .admin-nav {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  }

  .admin-sidebar__foot {
    display: flex;
  }

  .admin-grid--aside,
  .admin-ad-grid,
  .admin-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .admin-main,
  .admin-sidebar,
  .admin-auth {
    padding: 18px;
  }

  .admin-auth__panel {
    padding: 22px;
  }

  .admin-nav,
  .admin-color-grid,
  .admin-ad-grid,
  .admin-social-row,
  .admin-branding-grid,
  .admin-grid--two,
  .admin-grid--three,
  .admin-grid--aside,
  .admin-metrics {
    grid-template-columns: 1fr;
  }

  .admin-topbar,
  .admin-card__head,
  .admin-list__item,
  .admin-tool-list a,
  .admin-system-card {
    align-items: flex-start;
    flex-direction: column;
  }
}

/* Navigation Manager Styles */
.admin-nav-tabs {
  display: flex;
  gap: 10px;
  border-bottom: 1px solid var(--admin-border);
  padding: 4px;
}

.admin-tab-btn {
  flex: 1;
  border: none;
  background: transparent;
  padding: 10px 16px;
  font-weight: 700;
  color: var(--admin-muted);
  border-radius: 6px;
  transition: all 0.2s;
}

.admin-tab-btn.is-active {
  background: #fff0f0;
  color: var(--admin-blue-dark);
}

.admin-nav-list {
  display: grid;
  gap: 16px;
  margin-top: 16px;
}

.admin-nav-row {
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  background: var(--admin-panel);
  padding: 20px;
  display: grid;
  gap: 16px;
  box-shadow: 0 4px 12px rgba(16, 24, 40, 0.02);
}

.admin-nav-row__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--admin-border);
  padding-bottom: 10px;
}

.admin-nav-badge {
  display: inline-block;
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 800;
  border-radius: 4px;
  color: #fff;
}

.admin-nav-badge--link {
  background: var(--admin-blue);
}

.admin-nav-badge--dropdown {
  background: #5c6bc0;
}

.admin-nav-row__actions {
  display: flex;
  gap: 6px;
}

.admin-nav-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--admin-border);
  background: var(--admin-panel-soft);
  color: var(--admin-text);
  border-radius: 6px;
  font-weight: 700;
  transition: all 0.2s;
  cursor: pointer;
}

.admin-nav-action-btn:hover {
  background: #fff0f0;
  border-color: var(--admin-blue);
  color: var(--admin-blue-dark);
}

.admin-nav-action-btn--danger {
  color: var(--admin-red);
}

.admin-nav-action-btn--danger:hover {
  background: #fff4f4;
  border-color: var(--admin-red);
  color: var(--admin-red);
}

.admin-nav-row__body {
  display: grid;
  grid-template-columns: 1fr 1fr 150px;
  gap: 16px;
}

.admin-nav-sublinks {
  border-top: 1px dashed var(--admin-border);
  padding-top: 16px;
  margin-top: 8px;
  display: grid;
  gap: 12px;
}

.admin-nav-sublinks__list {
  display: grid;
  gap: 10px;
}

.admin-nav-sublink-row {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 16px;
  align-items: end;
  background: var(--admin-panel-soft);
  padding: 12px;
  border-radius: 8px;
  border: 1px solid var(--admin-border);
}

@media (max-width: 760px) {
  .admin-nav-row__body,
  .admin-nav-sublink-row {
    grid-template-columns: 1fr;
  }
}