.tango-board[data-v-771aa314]{display:inline-block}.board-grid[data-v-771aa314]{display:flex;flex-direction:column;border:2px solid #0A66C2;border-radius:6px;overflow:hidden;background:#ffffff}.board-row[data-v-771aa314]{display:flex}.board-cell[data-v-771aa314]{width:var(--cell-size);height:var(--cell-size);display:flex;align-items:center;justify-content:center;border:1px solid #e0e0e0;position:relative;cursor:pointer;-webkit-user-select:none;user-select:none;background:#ffffff;transition:background-color .15s}.board-cell.given-cell[data-v-771aa314]{background-color:#f3f2ef;cursor:default}.board-cell.selected-cell[data-v-771aa314]{background-color:#e8f4fd!important;outline:2px solid #0A66C2;outline-offset:-2px;z-index:1}.board-cell.conflicting-cell[data-v-771aa314]{background-color:#f8d7da!important}.board-cell.conflicting-cell.selected-cell[data-v-771aa314]{background-color:#f8d7da!important;outline-color:#dc3545}.cell-symbol[data-v-771aa314]{font-size:calc(var(--cell-size) * .5);line-height:1}.cell-symbol-img[data-v-771aa314]{width:calc(var(--cell-size) * .6);height:calc(var(--cell-size) * .6);object-fit:contain}.constraint-right[data-v-771aa314]{position:absolute;right:-9px;top:50%;transform:translateY(-50%);font-size:12px;font-weight:700;z-index:2;background:#fff;padding:0 2px}.constraint-bottom[data-v-771aa314]{position:absolute;bottom:-8px;left:50%;transform:translate(-50%);font-size:12px;font-weight:700;z-index:2;background:#fff;padding:2px 0}.constraint-equal[data-v-771aa314]{width:18px;height:18px;text-align:center;color:#ff9800}.constraint-diff[data-v-771aa314]{width:18px;height:18px;text-align:center;color:#2196f3}.page-container[data-v-34ab8588]{max-width:500px;margin:0 auto;padding:24px 20px}.loading-state[data-v-34ab8588],.error-state[data-v-34ab8588]{text-align:center;padding:60px 20px;background:#ffffff;border-radius:8px;box-shadow:0 1px 3px #00000014}.loading-state p[data-v-34ab8588]{margin-top:16px;color:#666}.error-message[data-v-34ab8588]{color:#d32f2f;margin-bottom:20px}.action-btn[data-v-34ab8588]{display:inline-block;padding:12px 32px;background:#0A66C2;color:#fff;text-decoration:none;border-radius:24px;font-weight:600;border:none;cursor:pointer;transition:background .2s}.back-link[data-v-34ab8588]{color:#0a66c2;text-decoration:none;font-size:14px;font-weight:500}.game-content[data-v-34ab8588]{display:flex;flex-direction:column;align-items:center;gap:20px}.board-section[data-v-34ab8588]{display:flex;justify-content:center}.hint-section[data-v-34ab8588]{display:flex;gap:24px;justify-content:center;padding:12px 20px;background:#ffffff;border-radius:8px;box-shadow:0 1px 3px #00000014}.hint-item[data-v-34ab8588]{display:flex;align-items:center;gap:6px}.hint-symbol[data-v-34ab8588]{font-size:16px;font-weight:700}.hint-symbol.equal[data-v-34ab8588]{color:#ff9800}.hint-symbol.diff[data-v-34ab8588]{color:#2196f3}.hint-text[data-v-34ab8588]{font-size:14px;color:#666}.action-buttons[data-v-34ab8588]{display:flex;gap:12px;justify-content:center}.action-btn.undo-btn[data-v-34ab8588]{padding:10px 24px;font-size:14px}.action-btn[data-v-34ab8588]:disabled{opacity:.5;cursor:not-allowed}