:root {
    --green: #4CAF50;
    --green-700: #3d8c40;
    --green-50: #ecf7ec;
    --green-100: #d8efd9;
    --ink: #15201a;
    --ink-2: #3a4a42;
    --muted: #6b7a72;
    --muted-2: #94a299;
    --bg: #ffffff;
    --surface: #fbfcfb;
    --surface-2: #f4f6f4;
    --border: #e6e9e6;
    --border-strong: #d2d7d3;
    --amber: #d9821a;
    --amber-50: #fbf2e3;
    --red: #c4493b;
    --red-50: #fbeae8;
    --blue: #2f6db0;
    --blue-50: #e6eff8;
    --slate-50: #eef1ef;
    --shadow-sm: 0 1px 2px rgba(20,30,25,.04);
    --shadow-md: 0 4px 12px rgba(20,30,25,.06);
    --radius: 8px;
    --radius-sm: 6px;
  }
  * { box-sizing: border-box; }
  html, body, #root { height: 100%; }
  body {
    margin: 0;
    font-family: "Public Sans", system-ui, -apple-system, Segoe UI, sans-serif;
    color: var(--ink);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    font-size: 14px;
    line-height: 1.45;
  }
  button { font-family: inherit; }
  ::-webkit-scrollbar { width: 10px; height: 10px; }
  ::-webkit-scrollbar-thumb { background: #dde1dd; border-radius: 8px; border: 2px solid #fff; }
  ::-webkit-scrollbar-thumb:hover { background: #c8cec8; }

  /* ---- Shell ---- */
  .app {
    display: grid;
    grid-template-columns: 232px 1fr;
    height: 100vh;
    background: var(--bg);
  }
  .sidebar {
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 18px 14px;
    gap: 4px;
  }
  .brand {
    display: flex; align-items: center; gap: 10px;
    padding: 6px 8px 22px;
  }
  .brand-mark {
    width: 30px; height: 30px; border-radius: 8px;
    background: var(--green);
    display: grid; place-items: center;
    color: #fff;
    box-shadow: inset 0 -2px 0 rgba(0,0,0,.08);
  }
  .brand-name {
    font-weight: 700; font-size: 16px; letter-spacing: -0.01em;
  }
  .brand-name span { color: var(--green); }
  .nav-group-label {
    text-transform: uppercase; font-size: 10.5px; letter-spacing: 0.08em;
    color: var(--muted-2); padding: 14px 10px 6px; font-weight: 600;
  }
  .nav-item {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 10px; border-radius: var(--radius-sm);
    color: var(--ink-2); cursor: pointer; user-select: none;
    font-weight: 500; font-size: 13.5px;
    border: 1px solid transparent;
  }
  .nav-item:hover { background: var(--surface-2); }
  .nav-item.active { background: var(--green-50); color: var(--green-700); }
  .nav-item .count {
    margin-left: auto; font-size: 11.5px; color: var(--muted);
    background: var(--surface-2); padding: 1px 7px; border-radius: 999px;
  }
  .nav-item.active .count { background: #fff; color: var(--green-700); }
  .sidebar-footer {
    margin-top: auto; border-top: 1px solid var(--border); padding-top: 12px;
    display: flex; align-items: center; gap: 10px;
  }
  .avatar {
    width: 30px; height: 30px; border-radius: 50%;
    background: linear-gradient(135deg,#cfe7d0,#a7d3a9);
    display: grid; place-items: center; color: var(--green-700);
    font-weight: 600; font-size: 12px;
  }
  .who { display: flex; flex-direction: column; line-height: 1.1; }
  .who strong { font-size: 13px; }
  .who span { font-size: 11.5px; color: var(--muted); }

  /* ---- Main ---- */
  .main { display: flex; flex-direction: column; min-width: 0; }
  .topbar {
    height: 60px;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center;
    padding: 0 28px; gap: 16px;
  }
  .topbar h1 {
    font-size: 18px; margin: 0; font-weight: 600; letter-spacing: -0.01em;
  }
  .crumb { color: var(--muted); font-size: 13px; }
  .crumb b { color: var(--ink); font-weight: 500; }
  .topbar .spacer { flex: 1; }

  .page { padding: 22px 28px 40px; overflow: auto; flex: 1; }

  /* ---- Buttons ---- */
  .btn {
    display: inline-flex; align-items: center; gap: 8px;
    border: 1px solid var(--border-strong);
    background: #fff; color: var(--ink);
    padding: 7px 12px; border-radius: var(--radius-sm);
    font-size: 13px; font-weight: 500; cursor: pointer;
    transition: background .12s, border-color .12s;
  }
  .btn:hover { background: var(--surface-2); }
  .btn-primary {
    background: var(--green); color: #fff;
    border-color: var(--green);
    box-shadow: 0 1px 0 rgba(0,0,0,.04);
  }
  .btn-primary:hover { background: var(--green-700); border-color: var(--green-700); }
  .btn-ghost { border-color: transparent; background: transparent; color: var(--ink-2); }
  .btn-ghost:hover { background: var(--surface-2); }
  .btn-sm { padding: 4px 8px; font-size: 12.5px; }
  .btn-icon {
    width: 28px; height: 28px; padding: 0; display: inline-grid; place-items: center;
  }

  /* ---- Inputs ---- */
  .input, .select, .textarea {
    width: 100%;
    border: 1px solid var(--border-strong);
    background: #fff;
    padding: 8px 11px;
    border-radius: var(--radius-sm);
    font-size: 13.5px; font-family: inherit; color: var(--ink);
    outline: none; transition: border-color .12s, box-shadow .12s;
  }
  .input:focus, .select:focus, .textarea:focus {
    border-color: var(--green);
    box-shadow: 0 0 0 3px rgba(76,175,80,.16);
  }
  .label {
    display: block; font-size: 12px; font-weight: 600;
    color: var(--ink-2); margin-bottom: 6px;
    text-transform: uppercase; letter-spacing: 0.04em;
  }
  .help { font-size: 12px; color: var(--muted); margin-top: 6px; }

  /* ---- Badges ---- */
  .badge {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 2px 8px; border-radius: 999px;
    font-size: 11.5px; font-weight: 600;
    border: 1px solid transparent;
    line-height: 1.6;
  }
  .badge .dot {
    width: 6px; height: 6px; border-radius: 50%; background: currentColor;
  }
  .badge-published { background: var(--green-50); color: var(--green-700); border-color: var(--green-100); }
  .badge-draft { background: var(--amber-50); color: var(--amber); border-color: #f1e0bf; }
  .badge-archived { background: var(--slate-50); color: var(--muted); border-color: var(--border); }
  .badge-active { background: var(--green-50); color: var(--green-700); border-color: var(--green-100); }
  .badge-inactive { background: var(--slate-50); color: var(--muted); border-color: var(--border); }

  /* ---- Locale flags ---- */
  .locales { display: inline-flex; gap: 3px; }
  .locale-pill {
    font-family: "JetBrains Mono", ui-monospace, monospace;
    font-size: 9.5px; font-weight: 600; letter-spacing: 0.04em;
    padding: 2px 5px; border-radius: 4px;
    background: var(--green-50); color: var(--green-700);
    border: 1px solid var(--green-100);
    text-transform: uppercase;
  }
  .locale-pill.off {
    background: #fff; color: var(--muted-2);
    border-color: var(--border);
  }

  /* ---- Table ---- */
  .card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
  }
  .toolbar {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    background: #fff;
  }
  .search {
    position: relative; flex: 1; max-width: 340px;
  }
  .search input {
    padding-left: 32px;
  }
  .search .icon {
    position: absolute; left: 10px; top: 50%; transform: translateY(-50%);
    color: var(--muted);
  }
  .filter-group { display: flex; gap: 8px; align-items: center; }
  .table { width: 100%; border-collapse: collapse; }
  .table th {
    text-align: left; font-size: 11.5px; font-weight: 600;
    color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em;
    padding: 12px 16px; background: var(--surface);
    border-bottom: 1px solid var(--border);
  }
  .table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
    font-size: 13.5px;
  }
  .table tr:last-child td { border-bottom: none; }
  .table tr:hover td { background: var(--surface); }
  .title-cell {
    display: flex; flex-direction: column; gap: 4px;
    max-width: 380px;
  }
  .title-cell .t { font-weight: 600; color: var(--ink); }
  .title-cell .s { font-size: 12px; color: var(--muted); }
  .author-cell { display: flex; align-items: center; gap: 8px; }
  .author-cell .av {
    width: 22px; height: 22px; border-radius: 50%;
    background: var(--surface-2); display: grid; place-items: center;
    font-size: 10.5px; font-weight: 600; color: var(--ink-2);
  }
  .row-actions {
    display: flex; gap: 4px; justify-content: flex-end;
  }

  /* ---- Tabs ---- */
  .tabs {
    display: inline-flex; gap: 2px;
    background: var(--surface-2);
    padding: 3px; border-radius: 8px;
  }
  .tab {
    padding: 6px 14px; font-size: 13px; font-weight: 500;
    border-radius: 6px; cursor: pointer; color: var(--ink-2);
    display: flex; align-items: center; gap: 7px;
    border: none; background: transparent;
  }
  .tab.active {
    background: #fff; color: var(--ink);
    box-shadow: 0 1px 2px rgba(0,0,0,.05);
  }
  .tab .lk {
    font-family: "JetBrains Mono", monospace; font-size: 10px;
    color: var(--muted);
  }
  .tab.active .lk { color: var(--green-700); }

  /* ---- Edit form ---- */
  .edit-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 24px;
    align-items: start;
  }
  .form-card { padding: 22px; }
  .form-row + .form-row { margin-top: 16px; }
  .title-input {
    font-size: 22px; font-weight: 600; padding: 12px 14px;
    letter-spacing: -0.01em;
  }
  .editor-wrap {
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: #fff;
  }
  .editor-toolbar {
    display: flex; align-items: center; gap: 4px;
    padding: 6px 8px; border-bottom: 1px solid var(--border);
    background: var(--surface);
  }
  .editor-toolbar .sep {
    width: 1px; height: 16px; background: var(--border-strong); margin: 0 4px;
  }
  .tool-btn {
    border: none; background: transparent; cursor: pointer;
    width: 28px; height: 28px; border-radius: 5px;
    display: grid; place-items: center; color: var(--ink-2);
    font-size: 12.5px;
  }
  .tool-btn:hover { background: #fff; color: var(--ink); }
  .tool-btn.toggle.active { background: var(--green-50); color: var(--green-700); }
  .editor-body {
    display: grid; grid-template-columns: 1fr; min-height: 460px;
  }
  .editor-body.split { grid-template-columns: 1fr 1fr; }
  .md-textarea {
    width: 100%; border: none; outline: none; resize: none;
    padding: 18px 20px; font-family: "JetBrains Mono", monospace;
    font-size: 13px; line-height: 1.65; color: var(--ink);
    min-height: 460px;
  }
  .md-preview {
    padding: 18px 22px; border-left: 1px solid var(--border);
    overflow: auto;
  }
  .md-preview h1 { font-size: 22px; margin: 0 0 12px; letter-spacing: -0.01em; }
  .md-preview h2 { font-size: 17px; margin: 18px 0 8px; }
  .md-preview p { margin: 0 0 10px; color: var(--ink-2); }
  .md-preview ul { padding-left: 18px; margin: 8px 0; }
  .md-preview li { color: var(--ink-2); margin: 3px 0; }
  .md-preview strong { color: var(--ink); }
  .md-preview code {
    background: var(--surface-2); padding: 1px 5px; border-radius: 4px;
    font-family: "JetBrains Mono", monospace; font-size: 12px;
  }
  .md-preview blockquote {
    margin: 10px 0; padding: 8px 12px; border-left: 3px solid var(--green);
    background: var(--green-50); color: var(--ink-2); border-radius: 0 6px 6px 0;
  }

  .side-card { padding: 18px; position: sticky; top: 22px; }
  .side-card .form-row + .form-row { margin-top: 14px; }
  .cover {
    aspect-ratio: 16/10; border-radius: var(--radius-sm);
    background: repeating-linear-gradient(
      135deg, #f4f6f4 0 8px, #eef1ef 8px 16px
    );
    border: 1px dashed var(--border-strong);
    display: grid; place-items: center; color: var(--muted);
    font-family: "JetBrains Mono", monospace; font-size: 11px;
    position: relative; overflow: hidden;
  }
  .cover.has-image {
    background: linear-gradient(135deg, #d8e8d4, #c7decf 40%, #e3d6b8);
    border: 1px solid var(--border);
  }
  .cover.has-image::after {
    content: "cover.jpg · 1600×1000";
    position: absolute; bottom: 8px; left: 8px;
    background: rgba(0,0,0,.45); color: #fff; font-size: 10.5px;
    font-family: "JetBrains Mono", monospace;
    padding: 2px 6px; border-radius: 4px;
  }
  .cover-actions { display: flex; gap: 6px; margin-top: 8px; }

  /* Toggle */
  .toggle-row {
    display: flex; align-items: center; justify-content: space-between;
    padding: 10px 0; border-top: 1px solid var(--border);
  }
  .toggle-row:first-of-type { border-top: none; }
  .toggle-row .t {
    display: flex; flex-direction: column; gap: 2px;
  }
  .toggle-row .t strong { font-size: 13px; font-weight: 600; }
  .toggle-row .t span { font-size: 12px; color: var(--muted); }
  .switch {
    width: 34px; height: 20px; border-radius: 999px;
    background: var(--border-strong); position: relative; cursor: pointer;
    transition: background .15s; flex-shrink: 0;
    border: none; padding: 0;
  }
  .switch::after {
    content: ""; position: absolute; top: 2px; left: 2px;
    width: 16px; height: 16px; border-radius: 50%; background: #fff;
    transition: transform .15s; box-shadow: 0 1px 2px rgba(0,0,0,.2);
  }
  .switch.on { background: var(--green); }
  .switch.on::after { transform: translateX(14px); }

  /* Segmented status selector */
  .seg {
    display: grid; grid-template-columns: repeat(3,1fr); gap: 0;
    background: var(--surface-2); border-radius: 7px; padding: 3px;
  }
  .seg button {
    border: none; background: transparent; padding: 6px 8px;
    border-radius: 5px; font-size: 12.5px; font-weight: 500;
    color: var(--ink-2); cursor: pointer;
  }
  .seg button.active { background: #fff; color: var(--ink); box-shadow: 0 1px 2px rgba(0,0,0,.06); }

  .save-bar {
    display: flex; gap: 8px; margin-top: 18px;
    padding-top: 14px; border-top: 1px solid var(--border);
  }
  .save-bar .btn-primary { flex: 1; justify-content: center; }
  .save-bar .btn { justify-content: center; }

  /* Ads grid */
  .ads-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 18px;
  }
  .ad-card {
    background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
    overflow: hidden; transition: box-shadow .15s, transform .15s;
    display: flex; flex-direction: column;
  }
  .ad-card:hover { box-shadow: var(--shadow-md); }
  .ad-thumb {
    aspect-ratio: 16/9; position: relative;
    background: var(--surface-2);
  }
  .ad-thumb .ribbon {
    position: absolute; top: 10px; left: 10px;
  }
  .ad-thumb .more {
    position: absolute; top: 10px; right: 10px;
    background: rgba(255,255,255,.92); border: 1px solid var(--border);
    width: 28px; height: 28px; border-radius: 6px;
    display: grid; place-items: center; cursor: pointer;
  }
  .ad-body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 10px; }
  .ad-body h3 { margin: 0; font-size: 14.5px; font-weight: 600; letter-spacing: -0.005em; }
  .ad-meta { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
  .ad-meta .cta {
    display: inline-flex; align-items: center; gap: 6px;
    font-family: "JetBrains Mono", monospace;
    color: var(--ink-2); max-width: 100%; overflow: hidden;
    text-overflow: ellipsis; white-space: nowrap;
    font-size: 11.5px;
  }
  .ad-foot {
    display: flex; align-items: center; justify-content: space-between;
    border-top: 1px solid var(--border); padding: 10px 14px;
    background: var(--surface);
  }
  .ad-foot .imp { font-size: 11.5px; color: var(--muted); font-family: "JetBrains Mono", monospace; }

  /* Ad thumb gradients */
  .grad-1 { background: linear-gradient(135deg,#dff0d8,#a8d8ad 60%,#7cb87f); }
  .grad-2 { background: linear-gradient(135deg,#fbe7c6,#e9b97a 60%,#c98a3f); }
  .grad-3 { background: linear-gradient(135deg,#e2ecda,#bcd3a6 60%,#7fae62); }
  .grad-4 { background: linear-gradient(135deg,#f4ddd8,#d7a195 60%,#a8645a); }
  .grad-5 { background: linear-gradient(135deg,#dbe7ea,#9cbac3 60%,#5a8390); }
  .grad-6 { background: linear-gradient(135deg,#e9e3d2,#c4b88e 60%,#8c7e4f); }
  .ad-thumb-label {
    position: absolute; bottom: 10px; left: 10px;
    background: rgba(0,0,0,.45); color: #fff;
    font-family: "JetBrains Mono", monospace;
    font-size: 10.5px; padding: 2px 6px; border-radius: 4px;
  }

  /* Dashboard */
  .stat-grid {
    display: grid; grid-template-columns: repeat(4,1fr); gap: 16px;
    margin-bottom: 22px;
  }
  .stat {
    background: #fff; border: 1px solid var(--border);
    border-radius: var(--radius); padding: 16px;
    display: flex; flex-direction: column; gap: 6px;
  }
  .stat .l { font-size: 12px; color: var(--muted); font-weight: 500; }
  .stat .v { font-size: 28px; font-weight: 700; letter-spacing: -0.02em; }
  .stat .d { font-size: 12px; color: var(--green-700); font-weight: 500; }
  .stat .d.down { color: var(--red); }
  .dash-grid {
    display: grid; grid-template-columns: 1fr 360px; gap: 16px;
  }

  /* Empty/utility */
  .pill-count {
    display: inline-flex; align-items: center; gap: 4px;
    background: var(--surface-2); color: var(--ink-2);
    padding: 1px 7px; border-radius: 999px; font-size: 11.5px; font-weight: 500;
  }
  .filter-chip {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 5px 9px; border: 1px solid var(--border-strong);
    border-radius: 999px; background: #fff;
    font-size: 12.5px; cursor: pointer;
  }
  .filter-chip:hover { background: var(--surface); }
  .filter-chip .x { color: var(--muted); }

  .results-meta {
    display: flex; align-items: center; justify-content: space-between;
    padding: 10px 14px; font-size: 12px; color: var(--muted);
    border-top: 1px solid var(--border); background: var(--surface);
  }
  .pager { display: flex; gap: 4px; }
  .pager button {
    width: 26px; height: 26px; border-radius: 5px; border: 1px solid var(--border);
    background: #fff; font-size: 12px; cursor: pointer; color: var(--ink-2);
  }
  .pager button.active { background: var(--green); color: #fff; border-color: var(--green); }

  /* Modal */
  .modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: flex; align-items: center; justify-content: center; z-index: 1000; }
  .modal { background: var(--surface); border-radius: var(--radius); padding: 20px; box-shadow: 0 8px 40px rgba(0,0,0,.18); overflow: hidden; display: flex; flex-direction: column; }