:root {
      --bg: #f5f7f7;
      --surface: #ffffff;
      --surface-2: #eef3f1;
      --ink: #17201d;
      --muted: #60716b;
      --line: #d9e1de;
      --must: #b43f3f;
      --should: #b57710;
      --could: #24756f;
      --wont: #5b6470;
      --done: #2f6f3e;
      --focus: #245fd6;
      --shadow: 0 12px 30px rgba(23, 32, 29, 0.13);
    }

    * { box-sizing: border-box; }

    html, body {
      margin: 0;
      min-height: 100%;
      background: var(--bg);
      color: var(--ink);
      font-family: Inter, Segoe UI, Roboto, Arial, sans-serif;
      font-size: 14px;
      letter-spacing: 0;
    }

    body {
      overflow-x: hidden;
    }

    button, input, select {
      font: inherit;
    }

    button {
      border: 1px solid var(--line);
      background: var(--surface);
      color: var(--ink);
      border-radius: 7px;
      min-height: 34px;
      padding: 7px 10px;
      cursor: pointer;
    }

    button:hover {
      border-color: #9fb0aa;
      background: #f9fbfa;
    }

    button:focus-visible,
    input:focus-visible,
    select:focus-visible {
      outline: 2px solid var(--focus);
      outline-offset: 2px;
    }

    .app {
      display: grid;
      grid-template-rows: auto auto 1fr;
      min-height: 100vh;
    }

    .topbar {
      background: var(--surface);
      border-bottom: 1px solid var(--line);
      padding: 18px 22px 14px;
    }

    .title-row {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
    }

    h1 {
      margin: 0;
      font-size: 25px;
      line-height: 1.16;
      font-weight: 750;
    }

    .subtle {
      margin-top: 6px;
      color: var(--muted);
      line-height: 1.4;
    }

    .actions {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .primary {
      background: #183d3a;
      border-color: #183d3a;
      color: #fff;
    }

    .primary:hover {
      background: #22534f;
      border-color: #22534f;
    }

    .stats {
      display: grid;
      grid-template-columns: repeat(4, minmax(130px, 1fr));
      gap: 10px;
      margin-top: 16px;
    }

    .metric {
      background: var(--surface-2);
      border: 1px solid var(--line);
      border-radius: 7px;
      padding: 10px 12px;
      min-height: 74px;
    }

    .metric .value {
      font-size: 24px;
      font-weight: 760;
      line-height: 1.1;
    }

    .metric .label {
      color: var(--muted);
      margin-top: 5px;
      line-height: 1.25;
    }

    .toolbar {
      display: grid;
      grid-template-columns: minmax(220px, 1.4fr) minmax(150px, 0.8fr) minmax(150px, 0.8fr) auto;
      gap: 10px;
      align-items: center;
      padding: 12px 22px;
      border-bottom: 1px solid var(--line);
      background: #fbfcfc;
    }

    .field {
      width: 100%;
      min-height: 36px;
      border: 1px solid var(--line);
      border-radius: 7px;
      background: var(--surface);
      color: var(--ink);
      padding: 7px 10px;
    }

    .control-strip {
      display: grid;
      grid-template-columns: minmax(260px, 0.8fr) minmax(360px, 1.4fr);
      gap: 10px;
      align-items: stretch;
      padding: 12px 22px;
      background: #ffffff;
      border-bottom: 1px solid var(--line);
    }

    .control-block {
      display: grid;
      gap: 7px;
      align-content: start;
      min-width: 0;
    }

    .control-block label,
    .control-label {
      color: var(--muted);
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
    }

    .inline-form {
      display: flex;
      gap: 7px;
      min-width: 0;
    }

    .inline-form .field {
      min-width: 0;
      flex: 1;
    }

    .vote-panel {
      border: 1px solid var(--line);
      border-radius: 8px;
      padding: 9px;
      display: grid;
      gap: 8px;
      background: #fbfcfc;
      min-height: 54px;
    }

    .muted-panel {
      color: var(--muted);
      align-content: center;
    }

    .vote-title {
      font-weight: 720;
      line-height: 1.25;
      overflow-wrap: anywhere;
    }

    .vote-counts,
    .vote-actions,
    .modal-admin-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      align-items: center;
    }

    .vote-count {
      display: inline-flex;
      align-items: center;
      min-height: 26px;
      padding: 3px 8px;
      border-radius: 999px;
      background: #eef3f1;
      color: var(--muted);
      font-variant-numeric: tabular-nums;
    }

    .vote-count.leader {
      background: #e4f1e7;
      color: #24592f;
      font-weight: 760;
    }

    .status-line {
      grid-column: 1 / -1;
      color: var(--muted);
      line-height: 1.35;
      min-height: 18px;
    }

    .status-line.ok { color: #25663c; }
    .status-line.warn { color: #8a5a12; }
    .status-line.error { color: #9b2f2f; }

    [hidden] {
      display: none !important;
    }

    .board-wrap {
      overflow-x: auto;
      overflow-y: hidden;
      padding: 16px 22px 20px;
    }

    .board {
      display: grid;
      grid-template-columns: repeat(5, minmax(260px, 1fr));
      gap: 12px;
      min-width: 1320px;
      align-items: start;
    }

    .loading-state {
      grid-column: 1 / -1;
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: 8px;
      padding: 18px;
      color: var(--muted);
      line-height: 1.4;
    }

    .loading-state.error {
      border-color: #e2b4b4;
      color: #8f2f2f;
      background: #fff7f7;
    }

    .lane {
      background: #fdfefe;
      border: 1px solid var(--line);
      border-radius: 8px;
      min-height: calc(100vh - 250px);
      display: flex;
      flex-direction: column;
      overflow: hidden;
    }

    .lane[data-lane="must"] { --lane-color: var(--must); }
    .lane[data-lane="should"] { --lane-color: var(--should); }
    .lane[data-lane="could"] { --lane-color: var(--could); }
    .lane[data-lane="wont"] { --lane-color: var(--wont); }
    .lane[data-lane="done"] { --lane-color: var(--done); }

    .lane-head {
      border-top: 5px solid var(--lane-color);
      padding: 11px 12px 10px;
      border-bottom: 1px solid var(--line);
      background: #fff;
    }

    .lane-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
    }

    .lane-letter {
      display: inline-flex;
      width: 26px;
      height: 26px;
      align-items: center;
      justify-content: center;
      border-radius: 6px;
      background: var(--lane-color);
      color: #fff;
      font-weight: 800;
      margin-right: 7px;
    }

    .lane-name {
      font-weight: 760;
      font-size: 15px;
    }

    .lane-count {
      color: var(--muted);
      font-variant-numeric: tabular-nums;
    }

    .lane-subtitle {
      color: var(--muted);
      line-height: 1.3;
      margin-top: 7px;
      min-height: 36px;
    }

    .dropzone {
      padding: 10px;
      display: grid;
      gap: 9px;
      align-content: start;
      min-height: 220px;
      flex: 1;
    }

    .dropzone.over {
      background: #f0f6f4;
    }

    .card {
      border: 1px solid #dbe3e0;
      border-radius: 7px;
      background: var(--surface);
      box-shadow: 0 2px 8px rgba(23, 32, 29, 0.05);
      padding: 10px;
      cursor: pointer;
      min-height: 142px;
      display: grid;
      gap: 8px;
    }

    .admin-mode .card {
      cursor: grab;
    }

    .card:active {
      cursor: grabbing;
    }

    .card.drag-source {
      opacity: 0.45;
    }

    .card.archived {
      opacity: 0.72;
      background: #f4f6f5;
    }

    .card.voting {
      border-color: #245fd6;
      box-shadow: 0 0 0 2px rgba(36, 95, 214, 0.12);
    }

    .drag-ghost {
      position: fixed;
      z-index: 30;
      pointer-events: none;
      opacity: 0.96;
      transform: translate(-50%, -24px);
      box-shadow: var(--shadow);
    }

    body.dragging * {
      cursor: grabbing !important;
    }

    .card.hidden {
      display: none;
    }

    .card-title {
      font-weight: 720;
      line-height: 1.25;
      overflow-wrap: anywhere;
    }

    .card-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
      color: var(--muted);
      font-size: 12px;
    }

    .summary {
      color: #2c3834;
      line-height: 1.35;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .badges {
      display: flex;
      flex-wrap: wrap;
      gap: 5px;
      align-items: center;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      border: 1px solid #d7dfdc;
      border-radius: 999px;
      padding: 2px 7px;
      min-height: 22px;
      color: #33423d;
      background: #f7faf9;
      font-size: 12px;
      line-height: 1.2;
      max-width: 100%;
    }

    .badge.backlog {
      border-color: #bad4ce;
      background: #edf8f5;
      color: #13584f;
      font-weight: 650;
    }

    .badge.archive {
      background: #eeeeee;
      color: #5b6470;
    }

    .badge.vote {
      background: #e8eefc;
      color: #245fd6;
    }

    button.active {
      border-color: var(--focus);
      background: #edf3ff;
      color: #1749a6;
      font-weight: 740;
    }

    button.danger {
      border-color: #dbb4b4;
      color: #8f2f2f;
      background: #fff7f7;
    }

    .empty {
      border: 1px dashed #c9d5d1;
      border-radius: 7px;
      color: var(--muted);
      padding: 14px;
      text-align: center;
      display: none;
    }

    .side {
      display: grid;
      grid-template-columns: minmax(250px, 0.72fr) minmax(0, 1fr);
      gap: 14px;
      padding: 0 22px 20px;
    }

    .panel {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: 8px;
      padding: 13px;
    }

    .panel h2 {
      margin: 0 0 10px;
      font-size: 15px;
      line-height: 1.3;
    }

    .sources {
      display: grid;
      gap: 8px;
      color: #33423d;
      line-height: 1.35;
      overflow-wrap: anywhere;
    }

    .sources div,
    .kv,
    .bar-row,
    .panel {
      overflow-wrap: anywhere;
    }

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

    .bar-row {
      display: grid;
      grid-template-columns: minmax(110px, 180px) 1fr 34px;
      gap: 8px;
      align-items: center;
      color: #33423d;
    }

    .bar-track {
      height: 8px;
      background: #edf2f0;
      border-radius: 999px;
      overflow: hidden;
    }

    .bar-fill {
      height: 100%;
      background: #24756f;
      border-radius: 999px;
    }

    dialog {
      width: min(880px, calc(100vw - 28px));
      border: 0;
      padding: 0;
      border-radius: 8px;
      box-shadow: var(--shadow);
    }

    dialog::backdrop {
      background: rgba(18, 27, 24, 0.45);
    }

    .modal {
      background: var(--surface);
      max-height: calc(100vh - 48px);
      overflow: auto;
    }

    .modal-head {
      position: sticky;
      top: 0;
      z-index: 2;
      background: var(--surface);
      border-bottom: 1px solid var(--line);
      padding: 16px;
      display: grid;
      gap: 10px;
    }

    .modal-title-row {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      align-items: flex-start;
    }

    .modal h2 {
      margin: 0;
      font-size: 21px;
      line-height: 1.2;
      overflow-wrap: anywhere;
    }

    .modal-body {
      padding: 16px;
      display: grid;
      gap: 15px;
    }

    .settings-modal {
      max-width: 640px;
    }

    .settings-section {
      display: grid;
      gap: 9px;
      padding-bottom: 12px;
      border-bottom: 1px solid #edf2f0;
    }

    .settings-section:last-child {
      border-bottom: 0;
      padding-bottom: 0;
    }

    .detail-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(230px, 0.9fr);
      gap: 14px;
    }

    .section-title {
      font-weight: 730;
      margin-bottom: 7px;
    }

    .detail-list {
      margin: 0;
      padding-left: 19px;
      display: grid;
      gap: 6px;
      line-height: 1.38;
    }

    .kv {
      display: grid;
      grid-template-columns: 120px 1fr;
      gap: 8px;
      padding: 7px 0;
      border-bottom: 1px solid #edf2f0;
      line-height: 1.35;
    }

    .kv span:first-child {
      color: var(--muted);
    }

    .backlog-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 13px;
    }

    .backlog-table th,
    .backlog-table td {
      border-bottom: 1px solid #e8eeee;
      text-align: left;
      vertical-align: top;
      padding: 8px 6px;
      line-height: 1.3;
    }

    .backlog-table th {
      color: var(--muted);
      font-weight: 650;
      background: #f8faf9;
    }

    .move-buttons {
      display: flex;
      gap: 7px;
      flex-wrap: wrap;
    }

    .move-buttons button {
      min-width: 42px;
      font-weight: 760;
    }

    .move-buttons button.active {
      background: #183d3a;
      color: #fff;
      border-color: #183d3a;
    }

    @media (max-width: 980px) {
      .stats {
        grid-template-columns: repeat(2, minmax(130px, 1fr));
      }

      .toolbar {
        grid-template-columns: 1fr 1fr;
      }

      .control-strip {
        grid-template-columns: 1fr;
      }

      .toolbar .actions {
        grid-column: 1 / -1;
        justify-content: flex-start;
      }

      .side,
      .detail-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 680px) {
      .topbar,
      .toolbar,
      .control-strip,
      .board-wrap,
      .side {
        padding-left: 12px;
        padding-right: 12px;
      }

      h1 {
        font-size: 21px;
      }

      .stats {
        grid-template-columns: 1fr;
      }

      .toolbar {
        grid-template-columns: 1fr;
      }

      .board {
        min-width: 0;
        width: 100%;
        grid-template-columns: 1fr;
      }

      .lane {
        min-height: 260px;
        min-width: 0;
      }

      .card,
      .metric,
      .panel {
        min-width: 0;
      }

      .bar-row,
      .kv {
        grid-template-columns: 1fr;
      }
    }