:root {
  --primary: #00b14f;
  --primary-dark: #00804a;
  --bg: #f5f5f5;
  --surface: #ffffff;
  --text: #1a1a1a;
  --muted: #707070;
  --border: #e8e8e8;
  --notice: #fff9c0;
  --notice-text: #824703;
  --danger: #d42e1c;
}

* {
  box-sizing: border-box;
}

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

.hidden {
  display: none !important;
}

.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: linear-gradient(180deg, rgba(0, 177, 79, 0.08), var(--bg) 40%);
}

.login-card {
  width: min(420px, 100%);
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: 0 16px 44px rgba(26, 26, 26, 0.06);
}

.login-card h1 {
  margin: 0;
  font-size: 28px;
}

.login-desc {
  margin: 8px 0 24px;
  color: var(--muted);
}

.login-hint {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.app {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.sidebar {
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
  background: #005339;
  color: #fff;
}

.brand {
  padding: 0 12px 24px;
  font-size: 18px;
  font-weight: 700;
}

.nav-item {
  width: 100%;
  margin-bottom: 8px;
  padding: 12px 16px;
  border: 0;
  border-radius: 12px;
  background: transparent;
  color: #d9fcde;
  text-align: left;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}

.nav-item.active,
.nav-item:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
}

.logout-btn {
  margin-top: auto;
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  background: transparent;
  color: #fff;
  cursor: pointer;
}

.main {
  padding: 32px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.panel-header h2 {
  margin: 0;
  font-size: 28px;
}

.panel-header p {
  margin: 6px 0 0;
  color: var(--muted);
}

.panel-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.cell-input {
  width: 100%;
  margin-bottom: 0;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  background: var(--surface);
}

textarea.cell-input {
  resize: vertical;
  min-height: 64px;
  font-family: inherit;
  line-height: 1.5;
}

.empty-row {
  text-align: center;
  color: var(--muted);
  padding: 32px 0 !important;
}

.notebook-item {
  margin-bottom: 16px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fafafa;
}

.notebook-item-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.notebook-item-title {
  flex: 1;
  color: var(--muted);
  font-weight: 700;
}

.inline-form {
  display: flex;
  align-items: center;
  gap: 8px;
}

.inline-form input {
  width: 180px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
}

.panel-count {
  color: var(--muted);
  font-size: 14px;
}

.mono-cell {
  font-family: monospace;
  font-size: 12px;
  color: var(--muted);
}

.card {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
}

label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 600;
}

input,
textarea,
select {
  width: 100%;
  margin-bottom: 16px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  font: inherit;
}

.btn {
  padding: 10px 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}

.btn-danger {
  border-color: var(--danger);
  color: var(--danger);
}

.form-row {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.form-hint {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.fault-directory {
  margin-bottom: 20px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fafafa;
}

.fault-directory-header {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}

.fault-directory-header input {
  flex: 1;
  margin-bottom: 0;
}

.fault-directory textarea {
  min-height: 120px;
}

.fault-empty {
  padding: 40px 0;
  color: var(--muted);
  text-align: center;
}

.fault-actions {
  margin-top: 8px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.fault-subtab-controls.hidden {
  display: none;
}

.fault-directory-content {
  min-height: 120px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  line-height: 1.6;
}

.fault-directory-content:focus {
  outline: none;
  border-color: var(--primary);
}

.fault-directory-content p {
  margin: 0 0 8px;
}

.fault-directory-content ul {
  padding-left: 20px;
  margin: 0 0 8px;
}

.fault-dir-toolbar {
  display: flex;
  gap: 6px;
  margin-bottom: 8px;
}

.fault-dir-toolbar button {
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  cursor: pointer;
}

.fault-dir-toolbar button:hover {
  background: #f5f5f5;
}

.banner-preview {
  width: 100%;
  max-width: 720px;
  min-height: 180px;
  margin-bottom: 20px;
  border-radius: 16px;
  background: #f5f5f5 center / cover no-repeat;
  display: grid;
  place-items: center;
  color: var(--muted);
  overflow: hidden;
}

.banner-preview img {
  width: 100%;
  display: block;
}

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

.data-table th,
.data-table td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.status-enabled,
.status-published {
  color: var(--primary-dark);
  font-weight: 700;
}

.status-disabled,
.status-draft {
  color: var(--muted);
  font-weight: 700;
}

.table-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

dialog {
  width: min(760px, calc(100vw - 32px));
  padding: 0;
  border: 0;
  border-radius: 16px;
  box-shadow: 0 24px 64px rgba(26, 26, 26, 0.18);
}

.dialog-form {
  padding: 24px;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 8px;
}

.editor-toolbar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.editor-toolbar button {
  min-width: 36px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
}

.rich-editor {
  min-height: 220px;
  margin-bottom: 16px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  line-height: 1.6;
}

.rich-editor:focus {
  outline: 3px solid #b1eaba;
  outline-offset: 2px;
}

.preview-block {
  margin-bottom: 16px;
}

.article-preview {
  padding: 16px;
  border: 1px dashed var(--border);
  border-radius: 12px;
  background: #fafafa;
}

.article-preview img {
  max-width: 100%;
}

.table-thumb,
.thumb-preview img {
  width: 72px;
  height: 48px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.thumb-preview {
  min-height: 48px;
  margin-bottom: 12px;
}

.thumb-preview.empty {
  display: grid;
  place-items: center;
  padding: 16px;
  border: 1px dashed var(--border);
  border-radius: 12px;
  color: var(--muted);
  font-size: 13px;
}

.status-offline {
  color: #707070;
}

@media (max-width: 900px) {
  .app {
    grid-template-columns: 1fr;
  }

  .sidebar {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
  }

  .brand {
    width: 100%;
    padding-bottom: 8px;
  }

  .logout-btn {
    margin-top: 0;
    margin-left: auto;
  }
}