/* Mobile list/edit/modal */
    .ml-root {
      display: flex;
      flex-direction: column;
      height: 100vh;
      background: var(--bg);
      color: var(--text);
    }

    .ml-header {
      background: linear-gradient(135deg, var(--builder-header-from) 0%, var(--builder-header-to) 100%);
      color: #fff;
      padding: 10px 14px;
      font-weight: 600;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 10px;
      box-shadow: 0 2px 8px rgba(23,32,46, 0.25);
    }

    .ml-title {
      font-size: var(--fs-md);
    }

    .ml-logout-btn {
      padding: 4px 10px;
      font-size: var(--fs-sm);
      background: rgba(255,255,255,0.2);
      color: #fff;
      border: 1px solid rgba(255,255,255,0.5);
      border-radius: 4px;
      cursor: pointer;
    }

    .ml-main {
      flex: 1;
      overflow-y: auto;
      padding: 12px;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .ml-panel {
      background: var(--builder-surface);
      border-radius: 10px;
      padding: 12px;
      border: 1px solid var(--builder-border);
      box-shadow: 0 1px 4px rgba(23,32,46, 0.08);
    }

    .ml-heading {
      margin-bottom: 8px;
      font-size: var(--fs-sm);
      font-weight: 700;
      color: var(--text-dim);
      text-transform: uppercase;
      letter-spacing: 0.06em;
      padding-bottom: 6px;
      border-bottom: 1px solid var(--builder-border);
    }

    .ml-helper-text {
      margin: -2px 0 10px;
      color: var(--text-dim);
      font-size: 0.83rem;
      line-height: 1.45;
    }

    .ml-main-btn {
      width: 100%;
      padding: 10px;
      background: var(--secondary);
      color: #fff;
      border: none;
      border-radius: 6px;
      cursor: pointer;
      margin-bottom: 10px;
      font-weight: 600;
      font-size: var(--fs-md);
    }

    .ml-input {
      width: 100%;
      padding: 10px;
      border: 1px solid var(--border);
      border-radius: 6px;
      margin-bottom: 10px;
      font-size: var(--fs-lg);
      background: #fff;
      color: var(--text);
    }

    .ml-input:focus {
      outline: none;
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(59,110,165,0.15);
    }

    .ml-stack {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .ml-stack-tight {
      gap: 6px;
    }

    .ml-deck-item {
      padding: 12px;
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: 6px;
      transition: all 0.15s;
    }

    .ml-deck-item:hover,
    .ml-deck-item:active {
      background: var(--panel);
    }

    .ml-deck-item.cloud {
      background: #f0f3f1;
      border-color: #c5d4ce;
    }

    .ml-deck-item.cloud:hover,
    .ml-deck-item.cloud:active {
      background: #e8efe8;
    }

    .ml-deck-name {
      font-weight: 600;
      font-size: var(--fs-md);
      color: var(--text);
    }

    .ml-deck-meta {
      font-size: var(--fs-md);
      color: var(--text-dim);
      margin: 6px 0;
    }

    .ml-item-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .ml-item-actions-cloud {
      margin-top: 8px;
    }

    .ml-item-btn {
      flex: 1;
      min-width: 70px;
      padding: 10px;
      color: #fff;
      border: none;
      border-radius: 4px;
      cursor: pointer;
      font-size: var(--fs-md);
      font-weight: 600;
    }

    .ml-item-btn.edit { background: var(--secondary); }
    .ml-item-btn.play { background: var(--success); }
    .ml-item-btn.online { background: var(--secondary); }
    .ml-item-btn.delete { background: var(--danger); font-weight: 500; }

    .ml-search-item {
      padding: 12px;
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: 6px;
      font-size: var(--fs-md);
      transition: all 0.15s;
    }

    .ml-search-item:hover,
    .ml-search-item:active {
      background: var(--panel);
    }

    .ml-search-name {
      font-weight: 600;
      color: var(--text);
    }

    .ml-search-text {
      display: none;
    }

    .ml-search-actions {
      display: flex;
      gap: 6px;
      margin-top: 6px;
    }

    .ml-detail-btn {
      flex: 0 0 auto;
      width: auto;
      margin-top: 0;
      padding: 8px 12px;
      border-radius: 5px;
      cursor: pointer;
      font-size: var(--fs-sm);
      font-weight: 700;
      background: transparent;
      color: var(--text-dim);
      border: 1px solid var(--border);
      min-height: 40px;
    }

    .ml-add-btn {
      flex: 1;
      width: auto;
      margin-top: 0;
      padding: 10px;
      border: none;
      border-radius: 6px;
      cursor: pointer;
      font-size: var(--fs-md);
      font-weight: 700;
      background: var(--accent);
      color: #fff;
      min-height: 40px;
      transition: background 0.15s;
    }

    .ml-add-btn:active {
      background: var(--accent-hover);
    }

    .ml-edit-header {
      text-align: left;
    }

    .ml-back-btn {
      cursor: pointer;
      font-size: var(--fs-xl);
      border: none;
      background: transparent;
      color: #fff;
      padding: 0;
      line-height: 1;
    }

    .ml-edit-title {
      flex: 1;
      text-align: center;
      font-size: var(--fs-md);
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .ml-edit-count {
      font-size: var(--fs-md);
      flex-shrink: 0;
    }

    .ml-edit-card {
      padding: 10px;
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: 6px;
    }

    .ml-edit-card-name {
      font-weight: 600;
      font-size: var(--fs-md);
      margin-bottom: 6px;
      color: var(--text);
    }

    .ml-edit-card-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 8px;
    }

    .ml-edit-card-text {
      font-size: var(--fs-sm);
      color: var(--text-dim);
      line-height: 1.35;
      flex: 1;
      min-width: 0;
      word-break: break-word;
    }

    .ml-count-controls {
      display: flex;
      gap: 4px;
      flex-shrink: 0;
      align-items: center;
    }

    .ml-count-btn {
      width: 28px;
      height: 28px;
      border: none;
      border-radius: 4px;
      cursor: pointer;
      color: #fff;
      font-weight: 600;
      font-size: var(--fs-md);
    }

    .ml-count-btn.minus,
    .ml-count-btn.delete { background: var(--danger); }
    .ml-count-btn.plus { background: var(--success); }

    .ml-count-num {
      width: 28px;
      text-align: center;
      font-weight: 600;
      color: var(--text);
    }

    .ml-edit-actions {
      background: var(--panel);
      padding: 12px;
      display: flex;
      gap: 8px;
      border-top: 1px solid var(--border);
    }

    .ml-edit-btn {
      flex: 1;
      padding: 12px;
      color: #fff;
      border: none;
      border-radius: 6px;
      cursor: pointer;
      font-weight: 600;
      font-size: var(--fs-md);
    }

    .ml-edit-btn.play { background: var(--success); }
    .ml-edit-btn.save { background: var(--secondary); }
    .ml-edit-btn.cloud { background: #4f7fa0; }
    .ml-edit-btn.disabled { background: #bcc7cf; cursor: not-allowed; opacity: 0.75; }

    .ml-ol-overlay {
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.25);
      z-index: 2000;
      display: none;
      align-items: center;
      justify-content: center;
      padding: 16px;
    }

    .ml-ol-overlay.open {
      display: flex;
    }

    .ml-ol-modal {
      background: var(--panel);
      border-radius: 12px;
      padding: 20px;
      max-width: 360px;
      width: 100%;
      box-shadow: 0 4px 20px rgba(0,0,0,0.08);
      border: 1px solid var(--border);
    }

    .ml-ol-title {
      margin-bottom: 12px;
      font-size: var(--fs-lg);
      color: var(--text);
    }

    .ml-ol-caption {
      font-size: var(--fs-md);
      color: var(--text-dim);
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .ml-ol-label {
      display: block;
      margin-bottom: 4px;
      font-size: var(--fs-md);
      color: var(--text);
    }

    .ml-ol-input {
      width: 100%;
      padding: 12px;
      border: 1px solid var(--border);
      border-radius: 6px;
      margin-bottom: 12px;
      font-size: var(--fs-lg);
      background: #fff;
      color: var(--text);
    }

    .ml-ol-input.room {
      margin-bottom: 10px;
      letter-spacing: 4px;
      text-transform: uppercase;
    }

    .ml-ol-btn {
      width: 100%;
      padding: 12px;
      color: #fff;
      border: none;
      border-radius: 6px;
      cursor: pointer;
      font-weight: 600;
      margin-top: 0;
    }

    .ml-ol-btn.create {
      background: var(--secondary);
      margin-bottom: 16px;
    }

    .ml-ol-btn.join {
      background: var(--secondary);
    }

    .ml-ol-btn.cancel {
      margin-top: 10px;
      padding: 10px;
      background: var(--panel);
      color: var(--text);
    }

    .ml-ol-btn.close {
      margin-top: 16px;
      background: var(--danger);
    }

    .ml-ol-sep {
      margin: 12px 0;
      border: none;
      border-top: 1px solid var(--border);
    }

    .ml-ol-room-code {
      font-size: var(--fs-xl);
      font-weight: 700;
      letter-spacing: 8px;
      color: var(--secondary);
      margin: 12px 0;
    }

    .ml-ol-modal:has(.ml-ol-room-grid) {
      max-width: min(760px, 94vw);
      max-height: 92vh;
      overflow-y: auto;
    }

    .ml-ol-lobby-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
      margin-bottom: 8px;
    }

    .ml-ol-status {
      margin: 0;
      color: var(--text-dim);
      font-size: var(--fs-sm);
      line-height: 1.4;
    }

    .ml-ol-refresh {
      min-height: 38px;
      padding: 7px 12px;
      border: 1px solid var(--border);
      border-radius: 6px;
      background: var(--panel);
      color: var(--text);
      cursor: pointer;
      flex-shrink: 0;
    }

    .ml-ol-room-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(62px, 1fr));
      gap: 6px;
      max-height: 48vh;
      padding: 2px 3px 8px 2px;
      overflow-y: auto;
      scrollbar-gutter: stable;
    }

    .ml-ol-room {
      min-height: 58px;
      padding: 6px 4px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 2px;
      border: 1px solid #9ba9b8;
      border-radius: 7px;
      background: #f5f7fa;
      color: var(--text);
      cursor: pointer;
    }

    .ml-ol-room.empty {
      border-color: rgba(56,134,82,0.55);
      background: #e8f6ec;
    }

    .ml-ol-room.waiting {
      border-color: rgba(41,111,174,0.58);
      background: #e8f1fb;
    }

    .ml-ol-room.waiting.private {
      border-color: rgba(168,117,42,0.68);
      background: #faf0dd;
    }

    .ml-ol-room.playing {
      background: #e7ebf0;
      color: #687483;
      cursor: not-allowed;
      opacity: 0.72;
    }

    .ml-ol-room:focus-visible {
      outline: 2px solid var(--secondary);
      outline-offset: 1px;
    }

    .ml-ol-room-number { font-weight: 700; font-size: var(--fs-sm); }
    .ml-ol-room-state,
    .ml-ol-room-visibility,
    .ml-ol-room-host { font-size: 0.62rem; line-height: 1.15; }

    .ml-ol-room-host {
      max-width: 100%;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .ml-ol-empty {
      grid-column: 1 / -1;
      padding: 12px;
      color: var(--text-dim);
      text-align: center;
    }

    .ml-ol-privacy-options {
      margin: 0 0 12px;
      padding: 10px;
      display: flex;
      gap: 16px;
      border: 1px solid var(--border);
      border-radius: 7px;
    }

    .ml-ol-privacy-choice {
      display: inline-flex;
      align-items: center;
      gap: 5px;
    }

    .ml-ol-password-wrap[hidden] { display: none; }

    .ml-ol-form-actions {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 8px;
    }

    .ml-ol-form-actions .ml-ol-btn {
      margin: 0;
    }

    /* SP準備室 */
    .ml-ol-ready-opp {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
      padding: 8px 10px;
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.16);
      border-radius: 8px;
      margin-bottom: 10px;
      font-size: 0.86rem;
    }

    .ml-ol-ready-opp-status {
      font-size: 0.76rem;
      padding: 3px 8px;
      border-radius: 999px;
      background: rgba(255,255,255,0.14);
      white-space: nowrap;
    }

    .ml-ol-ready-opp-status.is-ready {
      background: rgba(46,160,102,0.35);
      font-weight: 700;
    }

    .ml-ol-first-options {
      border: 1px solid rgba(255,255,255,0.16);
      border-radius: 8px;
      padding: 8px 10px;
      margin: 10px 0;
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .ml-ol-btn.create.is-ready {
      background: rgba(46,160,102,0.75);
    }